Chapter 18 Basic Nutrition

Chapter 18  Basic Nutrition

Complete Chapter Questions And Answers
 

Sample Questions

MULTIPLE CHOICE

1. Which of the following is an example of the process of mechanical digestion?
a.
deglutition
c.
mastication
b.
ingestion
d.
peristalsis

ANS: C
Mechanical digestion entails mastication (chewing), breaking food into small particles and mixing it with enzymes in saliva, and deglutition (swallowing food), the peristaltic waves and mucous secretions that move the food down the esophagus.

PTS: 1 DIF: Comprehension REF: White (2010)

2. Which of the following is an example of acidic, semifluid paste that is part of chemical digestion?
a.
chyme
c.
saliva
b.
insulin
d.
bile

ANS: A
Chemical digestion is the process of changing food (by enzymes; gastric, intestinal, and pancreatic juices; and bile) into individual nutrients that can be used by the body.

PTS: 1 DIF: Comprehension REF: White (2010)

3. Most nutrients are water soluble and can be absorbed directly through:
a.
loops
c.
polyps
b.
filaments
d.
villi

ANS: D
The fingerlike projections that line the small intestines and can directly absorb water-soluble nutrients are called villi.

PTS: 1 DIF: Comprehension REF: White (2010)

4. The constructive process of metabolism that the body uses in growth and repair is:
a.
anabolism
c.
deglutition
b.
catabolism
d.
oxidation

ANS: A
The constructive process of metabolism, in which new molecules are synthesized and new tissues are formed, is called anabolism.

PTS: 1 DIF: Comprehension REF: White (2010)

5. The body undergoes a destructive process of metabolism in which energy is released. This is an example of:
a.
anabolism
c.
deglutition
b.
catabolism
d.
oxidation

ANS: B
Catabolism is the destructive process of metabolism in which tissues or substances are broken into their component parts and energy is released.

PTS: 1 DIF: Comprehension REF: White (2010)