Essentials of Anatomy And Physiology 7th Edition By Frederic H. Martini – Test Bank

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Sample Questions Posted Below

 

Chapter 5: The Integumentary System

COMPLETION

1.The outer layer of the skin is the ____________________.

ANS: epidermis

PTS: 1 REF: Chapter 5 – The Integumentary System | Rev Ques: 1| Rev Ques: 2

2.The inner layer of the skin is the ____________________.

ANS: dermis

PTS: 1 REF: Chapter 5 – The Integumentary System | Rev Ques: 1| Rev Ques: 2

3.The outer layer of the skin is the ____________________, which is made of ____________________ tissue.

ANS: epidermis, stratified squamous epithelial

PTS: 1 REF: Chapter 5 – The Integumentary System | Rev Ques: 1| Rev Ques: 2

4.The inner layer of the skin is the ____________________, which is made of ____________________ tissue.

ANS: dermis, fibrous connective

PTS: 1 REF: Chapter 5 – The Integumentary System | Rev Ques: 1| Rev Ques: 2

5.The layer of the skin that is made of stratified squamous epithelium is the ____________________.

ANS: epidermis

PTS: 1 REF: Chapter 5 – The Integumentary System | Rev Ques: 1| Rev Ques: 2

6.The layer of the skin that is made of fibrous connective tissue is the ____________________.

ANS: dermis

PTS: 1 REF: Chapter 5 – The Integumentary System | Rev Ques: 1| Rev Ques: 2

7.The dermis is made primarily of the proteins ____________________ and ____________________.

ANS: collagen, elastin

PTS: 1 REF: Chapter 5 – The Integumentary System | Rev Ques: 1| Rev Ques: 2

8.The lowest layer of the ____________________ is the stratum germinativum, and the function of its cells is ____________________.

ANS: epidermis, mitosis

PTS: 1 REF: Chapter 5 – The Integumentary System | Rev Ques: 3

9.In the epidermis, new cells are produced by the process of ____________________ in the ____________________.

ANS: mitosis, stratum germinativum

PTS: 1 REF: Chapter 5 – The Integumentary System | Rev Ques: 3

10.The process of mitosis in the ____________________ produces new cells for the epidermis.

ANS: stratum germinativum

PTS: 1 REF: Chapter 5 – The Integumentary System | Rev Ques: 3

11.The new cells of the epidermis produce the protein ____________________.

ANS: keratin

PTS: 1 REF: Chapter 5 – The Integumentary System | Rev Ques: 3

12.Keratin is a ____________________ (type of molecule) that helps make the skin relatively waterproof.

ANS: protein

PTS: 1 REF: Chapter 5 – The Integumentary System | Rev Ques: 3

13.The cells of the epidermis produce antimicrobial chemicals called ____________________.

ANS: defensins

PTS: 1 REF: Chapter 5 – The Integumentary System | Rev Ques: 3

14.The cells of the epidermis that phagocytize pathogens are the ____________________.

ANS: Langerhans cells

PTS: 1 REF: Chapter 5 – The Integumentary System | Rev Ques: 3

15.The cells in the epidermis that carry ingested pathogens to lymph nodes are the ____________________.

ANS: Langerhans cells

PTS: 1 REF: Chapter 5 – The Integumentary System | Rev Ques: 3

16.Langerhans cells are found in the ____________________ of the skin, where they ____________________.

ANS: epidermis, phagocytize pathogens

PTS: 1 REF: Chapter 5 – The Integumentary System | Rev Ques: 3

17.The outermost layer of the epidermis is the ____________________.

ANS: stratum corneum

PTS: 1 REF: Chapter 5 – The Integumentary System | Rev Ques: 4

18.The stratum corneum is made of several layers of ____________________, which in turn are made of ____________________.

ANS: dead cells, keratin

PTS: 1 REF: Chapter 5 – The Integumentary System | Rev Ques: 4

19.Prevention of water loss or entry is a function of the stratum ____________________ of the epidermis.

ANS: corneum

PTS: 1 REF: Chapter 5 – The Integumentary System | Rev Ques: 4

20.Prevention of the entry of pathogens is a function of the stratum ____________________ of the epidermis.

ANS: corneum

PTS: 1 REF: Chapter 5 – The Integumentary System | Rev Ques: 4

21.If intact, the stratum corneum is a very good barrier to ____________________ and ____________________.

ANS:

pathogens, water

water, pathogens

PTS: 1 REF: Chapter 5 – The Integumentary System | Rev Ques: 4

22.Melanocytes produce the protein ____________________ when stimulated by ____________________.

ANS: melanin, ultraviolet rays

PTS: 1 REF: Chapter 5 – The Integumentary System | Rev Ques: 5

23.Ultraviolet rays stimulate the production of ____________________ by cells called ____________________.

ANS: melanin, melanocytes

PTS: 1 REF: Chapter 5 – The Integumentary System | Rev Ques: 5

24.Living skin cells are protected from exposure to ultraviolet rays by ____________________.

ANS: melanin

PTS: 1 REF: Chapter 5 – The Integumentary System | Rev Ques: 5

25.Human hair helps keep dust out of the ____________________.

ANS:

eyes (nasal passages)

eyes

nasal passages

PTS: 1 REF: Chapter 5 – The Integumentary System | Rev Ques: 6

26.Human hair has an insulating function for the ____________________.

ANS: head

PTS: 1 REF: Chapter 5 – The Integumentary System | Rev Ques: 6

27.The living part of a hair is the ____________________, where the process of ____________________ takes place.

ANS: root, mitosis

PTS: 1 REF: Chapter 5 – The Integumentary System | Rev Ques: 6

28.The shaft of a hair is made of ____________________.

ANS:

keratin (dead cells)

keratin

dead cells

PTS: 1 REF: Chapter 5 – The Integumentary System | Rev Ques: 6

29.The structure in which a hair grows is called a ____________________, and the process by which a hair grows is ____________________.

ANS: follicle, mitosis

PTS: 1 REF: Chapter 5 – The Integumentary System | Rev Ques: 6

30.The ends of fingers and toes are protected from mechanical injury by ____________________.

ANS: nails

PTS: 1 REF: Chapter 5 – The Integumentary System | Rev Ques: 7

31.The living part of a nail is the ____________________.

ANS: root

PTS: 1 REF: Chapter 5 – The Integumentary System | Rev Ques: 7

32.A nail grows by the process of ____________________ in the ____________________.

ANS: mitosis, root

PTS: 1 REF: Chapter 5 – The Integumentary System | Rev Ques: 7

33.The visible portion of a nail is made of ____________________.

ANS: keratin

PTS: 1 REF: Chapter 5 – The Integumentary System | Rev Ques: 7

34.Scratching an itch is efficient because fingers have ____________________.

ANS: fingernails

PTS: 1 REF: Chapter 5 – The Integumentary System | Rev Ques: 7

35.Information about the environment outside the skin is provided by ____________________.

ANS: receptors

PTS: 1 REF: Chapter 5 – The Integumentary System | Rev Ques: 8

36.For the cutaneous senses of pain and heat, the receptors are ____________________.

ANS: free nerve endings

PTS: 1 REF: Chapter 5 – The Integumentary System | Rev Ques: 8

37.For the cutaneous receptors of touch and pressure, the receptors are ____________________.

ANS: encapsulated nerve endings

PTS: 1 REF: Chapter 5 – The Integumentary System | Rev Ques: 8

38.Most cutaneous receptors are found in the ____________________ of the skin.

ANS: dermis

PTS: 1 REF: Chapter 5 – The Integumentary System | Rev Ques: 8

39.Drying of the skin is prevented by ____________________.

ANS: sebum

PTS: 1 REF: Chapter 5 – The Integumentary System | Rev Ques: 9

40.The glands that secrete sebum are called ____________________.

ANS: sebaceous glands

PTS: 1 REF: Chapter 5 – The Integumentary System | Rev Ques: 9

41.The growth of bacteria on the skin is inhibited by ____________________.

ANS: sebum

PTS: 1 REF: Chapter 5 – The Integumentary System | Rev Ques: 9

42.The ____________________ secreted by the ____________________ inhibits the growth of bacteria on the skin.

ANS: sebum, sebaceous glands

PTS: 1 REF: Chapter 5 – The Integumentary System | Rev Ques: 9

43.Drying of the eardrum is prevented by ____________________ .

ANS: cerumen

PTS: 1 REF: Chapter 5 – The Integumentary System | Rev Ques: 9

44.The glands that secrete cerumen are called ____________________.

ANS: ceruminous glands

PTS: 1 REF: Chapter 5 – The Integumentary System | Rev Ques: 9

45.The ____________________ secreted by the ____________________ prevents drying of the eardrum.

ANS: cerumen, ceruminous glands

PTS: 1 REF: Chapter 5 – The Integumentary System | Rev Ques: 9

46.During hot weather, the ____________________ sweat glands increase their rate of secretion.

ANS: eccrine

PTS: 1 REF: Chapter 5 – The Integumentary System | Rev Ques: 10

47.Sweating promotes heat loss by means of the process of ____________________.

ANS: evaporation

PTS: 1 REF: Chapter 5 – The Integumentary System | Rev Ques: 10

48.The purpose of sweating is to increase the loss of ____________________, but it has the disadvantage of leading to ____________________.

ANS: heat, dehydration

PTS: 1 REF: Chapter 5 – The Integumentary System | Rev Ques: 10

49.In a cold environment, the arterioles in the dermis will ____________________.

ANS: constrict

PTS: 1 REF: Chapter 5 – The Integumentary System | Rev Ques: 11

50.The arterioles in the dermis will constrict when the external environment becomes ____________________.

ANS: cold

PTS: 1 REF: Chapter 5 – The Integumentary System | Rev Ques: 11

51.When the arterioles in the dermis constrict, the loss of body heat will be ____________________.

ANS: decreased

PTS: 1 REF: Chapter 5 – The Integumentary System | Rev Ques: 11

52.In a warm environment, the arterioles in the dermis will ____________________.

ANS: dilate

PTS: 1 REF: Chapter 5 – The Integumentary System | Rev Ques: 11

53.The arterioles in the dermis will dilate when the external environment becomes ____________________.

ANS: warm

PTS: 1 REF: Chapter 5 – The Integumentary System | Rev Ques: 11

54.When the arterioles in the dermis dilate, the loss of body heat will be ____________________.

ANS: increased

PTS: 1 REF: Chapter 5 – The Integumentary System | Rev Ques: 11

55.Vasodilation in the dermis is important to ____________________ heat in a ____________________ environment.

ANS: lose, warm

PTS: 1 REF: Chapter 5 – The Integumentary System | Rev Ques: 11

56.Vasoconstriction in the dermis is important to ____________________ heat in a ____________________ environment.

ANS: conserve, cold

PTS: 1 REF: Chapter 5 – The Integumentary System | Rev Ques: 11

57.A warm environment stimulates ____________________ in the dermis in order to ____________________ heat.

ANS: vasodilation, lose

PTS: 1 REF: Chapter 5 – The Integumentary System | Rev Ques: 11

58.A cold environment stimulates ____________________ in the dermis in order to ____________________ heat.

ANS: vasoconstriction, conserve

PTS: 1 REF: Chapter 5 – The Integumentary System | Rev Ques: 11

59.In a stressful situation, the arterioles in the dermis will ____________________ to allow blood to flow to the ____________________.

ANS: constrict, vital organs

PTS: 1 REF: Chapter 5 – The Integumentary System | Rev Ques: 11

60.During stressful situations, blood is shunted to vital organs by ____________________ in the dermis.

ANS: vasoconstriction

PTS: 1 REF: Chapter 5 – The Integumentary System | Rev Ques: 11

61.Vitamin ____________________ is produced in skin that is exposed to ____________________.

ANS: D, sunlight

PTS: 1 REF: Chapter 5 – The Integumentary System | Rev Ques: 12

62.The precursor molecule for vitamin D is ____________________.

ANS: cholesterol

PTS: 1 REF: Chapter 5 – The Integumentary System | Rev Ques: 12

63.Vitamin D is important for the absorption of ____________________ in the ____________________.

ANS: calcium, small intestine

PTS: 1 REF: Chapter 5 – The Integumentary System | Rev Ques: 12

64.Sunlight on the skin stimulates production of vitamin ____________________, which is important for the absorption of ____________________ from food.

ANS: D, calcium

PTS: 1 REF: Chapter 5 – The Integumentary System | Rev Ques: 12

65.The subcutaneous tissue layer is also called the ____________________.

ANS: superficial fascia

PTS: 1 REF: Chapter 5 – The Integumentary System | Rev Ques: 13

66.The subcutaneous tissue is located between the ____________________ and the ____________________.

ANS: dermis, muscles

PTS: 1 REF: Chapter 5 – The Integumentary System | Rev Ques: 13

67.Between the dermis and the muscles is the ____________________.

ANS:

subcutaneous tissue (superficial fascia)

subcutaneous tissue

superficial fascia

PTS: 1 REF: Chapter 5 – The Integumentary System | Rev Ques: 13

68.In the superficial fascia, the tissue that stores potential energy is ____________________.

ANS: adipose tissue

PTS: 1 REF: Chapter 5 – The Integumentary System | Rev Ques: 13

69.In the superficial fascia, the tissue that contains many white blood cells is ____________________.

ANS: areolar connective tissue

PTS: 1 REF: Chapter 5 – The Integumentary System | Rev Ques: 13

70.In the integumentary system, areolar connective tissue is part of the ____________________ (layer).

ANS:

subcutaneous tissue (superficial fascia)

subcutaneous tissue

superficial fascia

PTS: 1 REF: Chapter 5 – The Integumentary System | Rev Ques: 13

71.The layer of the integumentary system that cushions some bones is the ____________________.

ANS: subcutaneous tissue

PTS: 1 REF: Chapter 5 – The Integumentary System | Rev Ques: 13

72.The layer of the integumentary system that provides some insulation from cold is the ____________________.

ANS: subcutaneous tissue

PTS: 1 REF: Chapter 5 – The Integumentary System | Rev Ques: 13

73.The layer of the integumentary system that stores potential energy is the ____________________.

ANS: subcutaneous tissue

PTS: 1 REF: Chapter 5 – The Integumentary System | Rev Ques: 13

 

Chapter 5: The Integumentary System

MULTIPLE CHOICE

1.The part of the integumentary system that prevents entry of pathogens is the:

A.	epidermis
B.	dermis
C.	subcutaneous tissue
D.	eccrine glands

ANS:APTS:1

REF: Chapter 5 – The Integumentary System | Rev Ques: 1

2.The part of the integumentary system that contains sweat glands and sensory receptors is the:

A.	epidermis
B.	dermis
C.	subcutaneous tissue
D.	mucous membrane

ANS:BPTS:1

REF: Chapter 5 – The Integumentary System | Rev Ques: 1

3.The part of the integumentary system that connects the skin to the muscles is the:

A.	epidermis
B.	dermis
C.	subcutaneous tissue
D.	mucous membrane

ANS:CPTS:1

REF: Chapter 5 – The Integumentary System | Rev Ques: 1

4.Which statement is NOT true of the integumentary system?

A.	It consists of the skin and subcutaneous tissue.
B.	It covers the body.
C.	Some glands are part of this system.
D.	It permits the entry of water to maintain body temperature.

ANS:DPTS:1

REF: Chapter 5 – The Integumentary System | Rev Ques: 1

5.The epidermis is the ____ layer of the skin and is made of ____ tissue.

A.	outer/stratified squamous epithelial
B.	inner/stratified squamous epithelial
C.	outer/fibrous connective
D.	inner/fibrous connective

ANS:APTS:1

REF: Chapter 5 – The Integumentary System | Rev Ques: 2

6.The dermis is the ____ layer of the skin and is made of ____ tissue.

A.	outer/stratified squamous epithelial
B.	inner/stratified squamous epithelial
C.	outer/fibrous connective
D.	inner/fibrous connective

ANS:DPTS:1

REF: Chapter 5 – The Integumentary System | Rev Ques: 2

7.The layer of the skin that is made of stratified squamous epithelium is the:

A.	dermis
B.	subcutaneous layer
C.	epidermis
D.	None of these layers are made of this tissue.

ANS:CPTS:1

REF: Chapter 5 – The Integumentary System | Rev Ques: 2

8.The layer of the skin that is made of fibrous connective tissue is the:

A.	dermis
B.	subcutaneous layer
C.	epidermis
D.	None of these layers is made of this tissue.

ANS:APTS:1

REF: Chapter 5 – The Integumentary System | Rev Ques: 2

9.The outer layer of the skin is the ____, and the inner layer of the skin is the ____.

A.	dermis/superficial fascia
B.	epidermis/dermis
C.	dermis/epidermis
D.	epidermis/superficial fascia

ANS:BPTS:1

REF: Chapter 5 – The Integumentary System | Rev Ques: 2

10.The major proteins of the dermis are:

A.	keratin and collagen
B.	collagen and melanin
C.	melanin and elastin
D.	elastin and collagen

ANS:DPTS:1

REF: Chapter 5 – The Integumentary System | Rev Ques: 2

11.Collagen and elastin are the major proteins of:

A.	the epidermis
B.	the dermis
C.	both A and B
D.	both A and B and the subcutaneous tissue

ANS:BPTS:1

REF: Chapter 5 – The Integumentary System | Rev Ques: 2

12.The protein that provides strength to the dermis is:

A.	keratin
B.	collagen
C.	elastin
D.	All of these provide strength.

ANS:BPTS:1

REF: Chapter 5 – The Integumentary System | Rev Ques: 2

13.The protein that enables the dermis to stretch and recoil is:

A.	keratin
B.	collagen
C.	elastin
D.	All of these permit stretching and recoiling.

ANS:CPTS:1

REF: Chapter 5 – The Integumentary System | Rev Ques: 2

14.The part of a cow’s integument that we know as leather is:

A.	the epidermis
B.	the dermis
C.	the subcutaneous tissue
D.	all of these

ANS:BPTS:1

REF: Chapter 5 – The Integumentary System | Rev Ques: 2

15.Which statement is NOT true of the skin?

A.	Collagen provides strength to the epidermis.
B.	The epidermis is the outer layer.
C.	Stratified squamous epithelium forms the epidermis.
D.	The dermis is external to the subcutaneous tissue.

ANS:APTS:1

REF: Chapter 5 – The Integumentary System | Rev Ques: 2

16.In the skin, mitosis takes place continuously in:

A.	the stratum germinativum
B.	the stratum corneum
C.	both of these
D.	neither of these

ANS:APTS:1

REF: Chapter 5 – The Integumentary System | Rev Ques: 3

17.In the skin, mitosis takes place continuously in the:

A.	stratum corneum, to produce new epidermis
B.	stratum corneum, to produce new dermis
C.	stratum germinativum, to produce new dermis
D.	stratum germinativum, to produce new epidermis

ANS:DPTS:1

REF: Chapter 5 – The Integumentary System | Rev Ques: 3

18.The primary function of the stratum germinativum is:

A.	osmosis
B.	mitosis
C.	absorption
D.	protection

ANS:BPTS:1

REF: Chapter 5 – The Integumentary System | Rev Ques: 3

19.The primary function of the stratum germinativum is:

A.	osmosis, to prevent water loss
B.	mitosis, to produce new dermis
C.	osmosis, to contribute to sweating
D.	mitosis, to produce new epidermis

ANS:DPTS:1

REF: Chapter 5 – The Integumentary System | Rev Ques: 3

20.Defensive cells in the integumentary system include subcutaneous WBCs and:

A.	Langerhans cells in the epidermis
B.	adipocytes in the dermis
C.	melanocytes in the epidermis
D.	keratinocytes in the dermis

ANS:APTS:1

REF: Chapter 5 – The Integumentary System | Rev Ques: 3

21.The Langerhans cells of the integumentary system are important for:

A.	skin coloration
B.	defense against pathogens
C.	detecting changes in the external environment
D.	repair of minor breaks in the skin

ANS:BPTS:1

REF: Chapter 5 – The Integumentary System | Rev Ques: 3

22.The cells in the epidermis that are capable of phagocytosis are:

A.	Langerhans cells
B.	keratinocytes
C.	melanocytes
D.	Merkel cells

ANS:APTS:1

REF: Chapter 5 – The Integumentary System | Rev Ques: 3

23.Which statement is NOT true of the epidermis?

A.	Meiosis takes place in the stratum germinativum.
B.	The cells die as they are pushed toward the surface.
C.	Langerhans cells bring pathogens to lymph nodes.
D.	The epidermis has no capillaries of its own and must rely on those of the dermis.

ANS:APTS:1

REF: Chapter 5 – The Integumentary System | Rev Ques: 3

24.The functions of the stratum corneum include all of these except:

A.	prevention of water loss
B.	prevention of sunburn
C.	prevention of the entry of water
D.	prevention of the entry of bacteria and chemicals

ANS:BPTS:1

REF: Chapter 5 – The Integumentary System | Rev Ques: 4

25.Prevention of water loss is a function of the:

A.	stratum germinativum
B.	dermis
C.	stratum corneum
D.	subcutaneous tissue

ANS:CPTS:1

REF: Chapter 5 – The Integumentary System | Rev Ques: 4

26.Prevention of the entry of pathogens is a function of the:

A.	stratum corneum
B.	stratum germinativum
C.	dermis
D.	subcutaneous tissue

ANS:APTS:1

REF: Chapter 5 – The Integumentary System | Rev Ques: 4

27.The stratum corneum is made of layers of cells that:

A.	undergo mitosis
B.	are producing keratin
C.	are producing collagen
D.	are dead

ANS:DPTS:1

REF: Chapter 5 – The Integumentary System | Rev Ques: 4

28.The protein in the epidermis that prevents water loss is:

A.	melanin
B.	keratin
C.	collagen
D.	elastin

ANS:BPTS:1

REF: Chapter 5 – The Integumentary System | Rev Ques: 4

29.The function of keratin is:

A.	to prevent the entry of water
B.	to prevent the entry of pathogens
C.	both A and B
D.	both A and B and to prevent the loss of water

ANS:DPTS:1

REF: Chapter 5 – The Integumentary System | Rev Ques: 4

30.Which statement is NOT true of the stratum corneum?

A.	The cells are called keratinocytes.
B.	Keratin prevents movement of most water in or out.
C.	The stratum corneum is made of one layer of dead cells.
D.	The cells die after they produce keratin.

ANS:CPTS:1

REF: Chapter 5 – The Integumentary System | Rev Ques: 3

31.Melanocytes produce ____ when stimulated by ____.

A.	melanin/UV rays
B.	keratin/pressure
C.	melanin/pressure
D.	keratin/UV rays

ANS:APTS:1

REF: Chapter 5 – The Integumentary System | Rev Ques: 5

32.Ultraviolet rays of the sun stimulate production of ____ in the skin.

A.	keratin
B.	collagen
C.	melanin
D.	all of these

ANS:CPTS:1

REF: Chapter 5 – The Integumentary System | Rev Ques: 5

33.The function of melanin is to protect living skin layers from more:

A.	pressure
B.	friction
C.	UV rays
D.	color

ANS:CPTS:1

REF: Chapter 5 – The Integumentary System | Rev Ques: 5

34.Melanin gives color to the epidermis and also to:

A.	the hair
B.	the iris of the eye
C.	both A and B
D.	both A and B and to the dermis

ANS:CPTS:1

REF: Chapter 5 – The Integumentary System | Rev Ques: 5

35.The cells that produce pigment for the skin and hair are called:

A.	fibroblasts
B.	melanocytes
C.	squamous cells
D.	dermal cells

ANS:BPTS:1

REF: Chapter 5 – The Integumentary System | Rev Ques: 5

36.The activity of melanocytes is determined by:

A.	genetics
B.	exposure to the sun
C.	both A and B
D.	both A and B and by the helper keratinocytes

ANS:CPTS:1

REF: Chapter 5 – The Integumentary System | Rev Ques: 5

37.Which statement is NOT true of melanocytes?

A.	They are found in the epidermis.
B.	They give color to the hair and nails.
C.	The melanin they produce protects living skin from UV rays.
D.	The production of melanin is, in part, a genetic characteristic.

ANS:BPTS:1

REF: Chapter 5 – The Integumentary System | Rev Ques: 5

38.A hair follicle:

A.	has its base in the dermis
B.	has a hair root at its base
C.	both A and B
D.	both A and B and has a pilomotor muscle that can pull the follicle upright

ANS:DPTS:1

REF: Chapter 5 – The Integumentary System | Rev Ques: 6

39.Which of these is NOT a function of human hair?

A.	keeping dust out of the eyes
B.	insulating the hands from cold
C.	insulating the head from cold
D.	keeping dust out of the nasal passages

ANS:BPTS:1

REF: Chapter 5 – The Integumentary System | Rev Ques: 6

40.Which statement is NOT true of human hair?

A.	The hair root undergoes mitosis.
B.	A hair is formed in a structure called a follicle.
C.	All human hair grows continuously.
D.	The hair shaft is made of keratin.

ANS:CPTS:1

REF: Chapter 5 – The Integumentary System | Rev Ques: 6

41.A nail follicle:

A.	has its base in the dermis
B.	has a nail root that undergoes mitosis
C.	has cells that produce keratin before they die
D.	all of these

ANS:DPTS:1

REF: Chapter 5 – The Integumentary System | Rev Ques: 7

42.Which statement is NOT true of human nails?

A.	They are formed in follicles.
B.	They protect the ends of the fingers and toes from mechanical injury.
C.	They enable the fingers to pick up small objects.
D.	The visible part of the nail is made of collagen.

ANS:DPTS:1

REF: Chapter 5 – The Integumentary System | Rev Ques: 7

43.All of the following are made of keratin except the:

A.	pigment of the skin
B.	fingernails and toenails
C.	stratum corneum
D.	hair shafts

ANS:APTS:1

REF: Chapter 5 – The Integumentary System | Rev Ques: 7

44.Which statement is NOT true of the cutaneous senses?

A.	Most of the receptors are in the dermis of the skin.
B.	Cutaneous senses provide information about changes in the external environment.
C.	The receptors for pressure are encapsulated nerve endings.
D.	The fingertips are very sensitive to touch because there are few receptors there.

ANS:DPTS:1

REF: Chapter 5 – The Integumentary System | Rev Ques: 8

45.The cutaneous receptors for pain are:

A.	free nerve endings in the dermis
B.	free nerve endings of Langerhans cells
C.	encapsulated nerve endings in the dermis
D.	encapsulated nerve endings in the epidermis

ANS:APTS:1

REF: Chapter 5 – The Integumentary System | Rev Ques: 8

46.Encapsulated nerve endings in the skin are the receptors for:

A.	touch, pressure, and pain
B.	heat, cold, pressure, and pain
C.	touch and pressure
D.	cold and pain

ANS:CPTS:1

REF: Chapter 5 – The Integumentary System | Rev Ques: 8

47.Free nerve endings in the skin are the receptors for:

A.	pressure, pain, and itch
B.	pain, cold, and pressure
C.	touch, pressure, and pain
D.	heat, cold, itch, and pain

ANS:DPTS:1

REF: Chapter 5 – The Integumentary System | Rev Ques: 8

48.The cutaneous receptors may be stimulated internally by:

A.	the chickenpox virus
B.	a mosquito bite
C.	both A and B
D.	both A and B and by poison ivy

ANS:DPTS:1

REF: Chapter 5 – The Integumentary System | Rev Ques: 8

49.Drying of the skin and hair is prevented by:

A.	serous fluid from serous glands
B.	sebum from sebaceous glands
C.	cerumen from ceruminous glands
D.	sweat from apocrine glands

ANS:BPTS:1

REF: Chapter 5 – The Integumentary System | Rev Ques: 9

50.A function of sebum is to:

A.	promote osmosis
B.	nourish the stratum corneum
C.	prevent mechanical injury
D.	prevent drying of the skin and hair

ANS:DPTS:1

REF: Chapter 5 – The Integumentary System | Rev Ques: 9

51.The growth of bacteria on the skin surface is inhibited by:

A.	keratin
B.	sweat
C.	sebum
D.	melanin

ANS:CPTS:1

REF: Chapter 5 – The Integumentary System | Rev Ques: 9

52.The function of sebum is:

A.	to inhibit the growth of bacteria on the skin
B.	to prevent drying of the skin
C.	both A and B
D.	both A and B and to help permit gripping by the palms

ANS:CPTS:1

REF: Chapter 5 – The Integumentary System | Rev Ques: 9

53.Drying of the eardrum is prevented by:

A.	serous fluid from serous glands
B.	sebum from sebaceous glands
C.	cerumen from ceruminous glands
D.	sweat from apocrine glands

ANS:CPTS:1

REF: Chapter 5 – The Integumentary System | Rev Ques: 9

54.The function of cerumen is to:

A.	prevent drying of the eardrum
B.	prevent drying of the hair
C.	permit gripping by the palms
D.	prevent friction on the skin

ANS:APTS:1

REF: Chapter 5 – The Integumentary System | Rev Ques: 9

55.Which statement is NOT true of the glands of the skin?

A.	Their secretory portions are found in the dermis.
B.	Apocrine glands are found in the axillae.
C.	Only the sebaceous glands have ducts.
D.	Ceruminous glands are found in the skin of the ear canal.

ANS:CPTS:1

REF: Chapter 5 – The Integumentary System | Rev Ques: 9

56.The glands in the dermis that are most important for temperature regulation are the:

A.	apocrine glands
B.	sebaceous glands
C.	serous glands
D.	eccrine glands

ANS:DPTS:1

REF: Chapter 5 – The Integumentary System | Rev Ques: 10

57.The process by which sweating promotes loss of excess body heat is:

A.	osmosis of sweat
B.	evaporation of sweat
C.	secretion of sweat
D.	filtration of sweat

ANS:BPTS:1

REF: Chapter 5 – The Integumentary System | Rev Ques: 10

58.A potentially serious consequence of profuse sweating is:

A.	a fever
B.	dehydration
C.	an abnormally low body temperature
D.	an infection

ANS:BPTS:1

REF: Chapter 5 – The Integumentary System | Rev Ques: 10

59.Which statement is NOT true of eccrine sweat glands?

A.	They are activated only by external warmth.
B.	They are numerous in the palms and soles.
C.	Their secretory portions are coiled tubes.
D.	Excessive sweating may lead to dehydration.

ANS:APTS:1

REF: Chapter 5 – The Integumentary System | Rev Ques: 10

60.In a warm environment, the arterioles in the dermis will:

A.	dilate to lose heat
B.	constrict to lose heat
C.	constrict to conserve heat
D.	dilate to conserve heat

ANS:APTS:1

REF: Chapter 5 – The Integumentary System | Rev Ques: 11

61.In a cold environment, the arterioles in the dermis will:

A.	dilate to lose heat
B.	constrict to lose heat
C.	constrict to conserve heat
D.	dilate to conserve heat

ANS:CPTS:1

REF: Chapter 5 – The Integumentary System | Rev Ques: 11

62.Vasodilation in the dermis is important to:

A.	increase heat loss in a warm environment
B.	conserve heat in a warm environment
C.	increase heat loss in a cold environment
D.	conserve heat in a cold environment

ANS:APTS:1

REF: Chapter 5 – The Integumentary System | Rev Ques: 11

63.Vasoconstriction in the dermis is important to:

A.	increase heat loss in a warm environment
B.	conserve heat in a warm environment
C.	increase heat loss in a cold environment
D.	conserve heat in a cold environment

ANS:DPTS:1

REF: Chapter 5 – The Integumentary System | Rev Ques: 11

64.Blood flow through the dermis of the skin is:

A.	increased by vasodilation in hot weather
B.	decreased by vasodilation in cold weather
C.	increased by vasoconstriction in cold weather
D.	decreased by vasoconstriction in hot weather

ANS:APTS:1

REF: Chapter 5 – The Integumentary System | Rev Ques: 11

65.Blood flow through the dermis of the skin is increased by:

A.	vasoconstriction in cold weather
B.	vasoconstriction in hot weather
C.	vasodilation in hot weather
D.	vasodilation in cold weather

ANS:CPTS:1

REF: Chapter 5 – The Integumentary System | Rev Ques: 11

66.Blood flow through the dermis of the skin is decreased by:

A.	vasoconstriction in cold weather
B.	vasoconstriction in hot weather
C.	vasodilation in hot weather
D.	vasodilation in cold weather

ANS:APTS:1

REF: Chapter 5 – The Integumentary System | Rev Ques: 11

67.In a stressful situation, the arterioles in the dermis will:

A.	dilate to keep blood in the skin for sweating
B.	constrict to permit blood to flow to more vital organs
C.	dilate to permit blood to flow to more vital organs
D.	constrict to prevent sweating

ANS:BPTS:1

REF: Chapter 5 – The Integumentary System | Rev Ques: 11

68.Which statement is NOT true of the arterioles in the dermis?

A.	Vasodilation increases blood flow.
B.	Vasoconstriction occurs in cold weather.
C.	Vasodilation occurs in stress situations.
D.	Vasoconstriction decreases blood flow.

ANS:CPTS:1

REF: Chapter 5 – The Integumentary System | Rev Ques: 11

69.The vitamin produced in the skin is:

A.	vitamin D, made from cholesterol
B.	vitamin C, made from keratin
C.	vitamin D, made from keratin
D.	vitamin C, made from cholesterol

ANS:APTS:1

REF: Chapter 5 – The Integumentary System | Rev Ques: 12

70.When UV rays strike the skin these substances are produced:

A.	vitamin C and melanin
B.	vitamin D and keratin
C.	vitamin C and keratin
D.	vitamin D and melanin

ANS:DPTS:1

REF: Chapter 5 – The Integumentary System | Rev Ques: 12

71.The stimulus for the production of vitamin D in the skin is:

A.	heat
B.	friction
C.	pressure
D.	ultraviolet rays

ANS:DPTS:1

REF: Chapter 5 – The Integumentary System | Rev Ques: 12

72.Cholesterol in the skin is important for the synthesis of:

A.	keratin
B.	vitamin D
C.	melanin
D.	vitamin C

ANS:BPTS:1

REF: Chapter 5 – The Integumentary System | Rev Ques: 12

73.Vitamin D is produced in the skin from ____ and promotes absorption of ____ in the small intestine.

A.	keratin/sodium
B.	melanin/iron
C.	cholesterol/calcium
D.	collagen/calcium

ANS:CPTS:1

REF: Chapter 5 – The Integumentary System | Rev Ques: 12

74.Superficial fascia is another name for the:

A.	integumentary system
B.	epidermis
C.	dermis
D.	subcutaneous tissue

ANS:DPTS:1

REF: Chapter 5 – The Integumentary System | Rev Ques: 13

75.The subcutaneous tissue that contains WBCs to destroy pathogens that enter breaks in the skin is:

A.	areolar connective tissue
B.	fibrous connective tissue
C.	stratified squamous epithelium
D.	simple squamous epithelium

ANS:APTS:1

REF: Chapter 5 – The Integumentary System | Rev Ques: 13

76.The subcutaneous tissue that stores potential energy is:

A.	areolar connective tissue
B.	fibrous connective tissue
C.	elastic connective tissue
D.	adipose tissue

ANS:DPTS:1

REF: Chapter 5 – The Integumentary System | Rev Ques: 13

77.Subcutaneous adipose tissue has all of these functions except:

A.	cushioning of some bones
B.	providing some insulation from cold
C.	storing excess, or potential, energy
D.	producing collagen fibers

ANS:DPTS:1

REF: Chapter 5 – The Integumentary System | Rev Ques: 13

78.The subcutaneous tissue is made of:

A.	squamous epithelium and areolar connective tissue
B.	adipose tissue and smooth muscle
C.	squamous epithelium and smooth muscle
D.	areolar connective tissue and adipose tissue

ANS:DPTS:1

REF: Chapter 5 – The Integumentary System | Rev Ques: 13

79.Adipose tissue that cushions some bones is found in the:

A.	epidermis
B.	dermis
C.	subcutaneous tissue
D.	fibrous connective tissue

ANS:CPTS:1

REF: Chapter 5 – The Integumentary System | Rev Ques: 13

80.Which statement is NOT true of the subcutaneous tissue?

A.	It is found between the dermis and the muscles.
B.	Areolar connective tissue contains many RBCs.
C.	Adipose tissue stores potential energy.
D.	It provides a little insulation from cold.

ANS:BPTS:1

REF: Chapter 5 – The Integumentary System | Rev Ques: 13

 

Chapter 5: The Integumentary System

MULTIPLE RESPONSE

1.Which of the following statements are true of the integumentary system? (Read carefully and select all of the correct statements.)

A.	Functions of the system include immune responses and vitamin E production.
B.	An important function is to separate the internal environment from the external environment.
C.	Temperature regulation involves the arterioles of the epidermis.
D.	The entire dermis is living tissue.
E.	The skin is an organ, because it is made of different kinds of tissues.
F.	Subcutaneous tissue is between the epidermis and the muscles.

ANS:B, D, EPTS:1

REF: Chapter 5 – The Integumentary System | Rev Ques: 1

2.Which of the following statements are true of the layers of the skin? (Read carefully and select all of the correct statements.)

A.	The dermis contains fibrous connective tissue, which provides waterproofing for the skin.
B.	The epidermis is made of stratified columnar epithelium.
C.	The subcutaneous tissue is directly external to the dermis.
D.	The dermis contains elastic connective tissue that provides recoil when the skin is stretched.
E.	The papillary layer of the dermis contains capillaries to nourish the stratum corneum.
F.	The epidermis is thickest on the palms and soles.

ANS:D, FPTS:1

REF: Chapter 5 – The Integumentary System | Rev Ques: 2

3.Which of the following statements are true of the epidermis? (Read carefully and select all of the correct statements.)

A.	The entire epidermis is made of dead cells and is a very good barrier to pathogens.
B.	Langerhans cells produce antibodies to foreign material.
C.	Mitosis takes place in the stratum germinativum, the outermost layer.
D.	Merkel cells are receptors for the sensation of pain
E.	Most of the epidermal cells are keratinocytes.
F.	The stratum corneum is made of keratin and collagen.
G.	Keratin is resistant to chemicals such as acids.
H.	Flaking of cells from the skin surface helps remove bacteria.

ANS:E, HPTS:1

REF: Chapter 5 – The Integumentary System | Rev Ques: 3 | Rev Ques: 4

4.Which of the following statements are true of melanocytes and melanin? (Read carefully and select all of the correct statements.)

A.	Melanocytes are found in the dermis, where they are protected from mechanical injury.
B.	Melanin gives color to the eyes as well as to the skin.
C.	Melanin protects living cells from the heat of direct sunlight.
D.	Skin color is a genetic characteristic, and color darkens when the skin is exposed to infrared light.
E.	The more melanocytes per square inch of skin, the darker a person’s skin color.
F.	A melanocyte that becomes malignant may give rise to a melanoma.

ANS:B, FPTS:1

REF: Chapter 5 – The Integumentary System | Rev Ques: 5

5.Which of the following statements are true of human hair and nails? (Read carefully and select all of the correct statements.)

A.	Hair on the scalp provides thermal insulation.
B.	A fingernail is made of a very strong form of collagen.
C.	Each hair has a small muscle that flattens the hair to protect the skin from cold.
D.	Nails protect the proximal ends of the fingers and toes from mechanical injury.
E.	Eyelashes help keep dust out of the eyes.
F.	Fingernails are useful for picking up small objects.
G.	Hairs in the upper nasal cavities protect the nasal sinuses.
H.	A nail root or hair root is a site of mitosis.

ANS:A, E, F, HPTS:1

REF: Chapter 5 – The Integumentary System | Rev Ques: 6 | Rev Ques: 7

6.Which of the following statements are true of the cutaneous senses? (Read carefully and select all of the correct statements.)

A.	Most of the receptors are in the dermis and subcutaneous tissue.
B.	The more receptors per square inch, the more sensitive the skin is.
C.	Free nerve endings are only for pain.
D.	Receptors for pressure and itch are encapsulated nerve endings.
E.	These senses provide information about the external environment.
F.	Receptors are most numerous in the skin of the palms and soles.

ANS:A, B, E, FPTS:1

REF: Chapter 5 – The Integumentary System | Rev Ques: 8

7.Which of the following statements are true of the glands of the skin? (Read carefully and select all of the correct statements.)

A.	Sebum prevents drying of the skin.
B.	Ceruminous glands open into hair follicles in the axillae.
C.	The secretion of apocrine glands has an individual scent.
D.	Cerumen lubricates movement across the skin.
E.	Sebaceous glands open into hair follicles, especially in the face.
F.	Apocrine glands become more active in stressful situations.

ANS:A, C, E, FPTS:1

REF: Chapter 5 – The Integumentary System | Rev Ques: 9

8.Which of the following statements are true of sweating? (Read carefully and select all of the correct statements.)

A.	Sweating is most efficient when the humidity is high.
B.	Sweating is an effective means of heat loss because water has a high heat of vaporization.
C.	Sweat is produced by eccrine glands, which are most numerous on the trunk of the body.
D.	Excess body heat evaporates sweat through the epidermis.
E.	Sweat glands are unicellular glands that respond to environmental temperature changes.
F.	Excessive sweating may lead to dehydration.

ANS:B, FPTS:1

REF: Chapter 5 – The Integumentary System | Rev Ques: 10

9.Which of the following statements are true of the arterioles in the dermis? (Read carefully and select all of the correct statements.)

A.	Arterioles are able to constrict because of the smooth muscle in their walls.
B.	In a cold environment, arterioles will constrict to bring heat to the surface to keep the skin warm.
C.	In a warm environment, arterioles will dilate to keep blood and excess heat away from the skin surface.
D.	In a stressful situation, arterioles will dilate to bring more blood with oxygen to the skin.

ANS:APTS:1

REF: Chapter 5 – The Integumentary System | Rev Ques: 11

10.Which of the following statements are true of vitamin D? (Read carefully and select all of the correct statements.)

A.	The stimulus for cutaneous production of vitamin D is the ultraviolet rays of the sun.
B.	Cutaneous vitamin D is made from phospholipids stored in the skin.
C.	Vitamin D promotes the absorption of calcium by the liver.
D.	Vitamin D contributes to efficient immune responses.

ANS:A, DPTS:1

REF: Chapter 5 – The Integumentary System | Rev Ques: 12

11.Which of the following statements are true of the superficial fascia? (Read carefully and select all of the correct statements.)

A.	Adipose tissue has potential energy in the form of fat.
B.	Areolar connective tissue contains many white blood cells.
C.	This layer is a secondary line of defense for the body because it is just within the skin.
D.	The mast cells in this layer produce histamine, which contributes to inflammation.

ANS:A, B, C, DPTS:1

REF: Chapter 5 – The Integumentary System | Rev Ques: 13