Chapter 6 A Review of Arithmetic

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Chapter 6  A Review of Arithmetic

 

 

Complete Chapter Questions And Answers
 

Sample Questions

 

MULTIPLE CHOICE

1. Which mathematical system is most accurate?
A.
Apothecary
B.
Household
C.
Metric
D.
Arabic

ANS: C

Feedback
A
This system is no longer recommended for use in health care systems.
B
Although most medications are administered at home by this system, it is the least accurate.
C
The metric system is the most accurate system.
D
This is a name for the type of numbers used in calculating drug dosages; it is used in all of the systems noted above.

DIF: Cognitive Level: Knowledge REF: 71
TOP: Nursing Process Step: Implementation
MSC: NCLEX Client Needs Category: Physiological Integrity

2. Which medication consists of a liquid solvent that contains one or more dissolved substances?
A.
Emulsion
B.
Precipitate
C.
Aliquot
D.
Intravenous solution

ANS: D

Feedback
A
An emulsion is a mixture of two immiscible (unblendable) substances.
B
A precipitate is an insoluble product of a chemical reaction.
C
An aliquot is a nonspecific small amount of a whole sample of a substance.
D
IV solutions consist of dissolved substances (solutes) in a liquid (solvent).

DIF: Cognitive Level: Knowledge REF: 76
TOP: Nursing Process Step: Implementation
MSC: NCLEX Client Needs Category: Physiological Integrity

3. Which is the most accurate way for the nurse to document the administration of two milligrams of a medication?
A.
Two mg
B.
2.0 mg
C.
2 mg
D.
ii mg

ANS: C

Feedback
A
It is not appropriate to write out the word “two”; 2 is acceptable.
B
It is inaccurate to have a trailing zero to the right of the decimal point.
C
This is the correct documentation because trailing zeros to the right of the decimal point are not accurate.
D
Arabic numbers are used to write metric doses.

DIF: Cognitive Level: Application REF: 67
TOP: Nursing Process Step: Implementation
MSC: NCLEX Client Needs Category: Physiological Integrity

COMPLETION

Convert the following to Arabic numerals.

1. xi = _____

ANS:
11

Correct: Whenever a smaller Roman numeral follows a larger one, the two are added.
x = 10; i = 1
10 + 1 = 11
Incorrect: Whenever a smaller Roman numeral follows a larger one, the two are added.
x = 10; i = 1
10 + 1 = 11

DIF: Cognitive Level: Comprehension REF: 61
TOP: Nursing Process Step: Implementation
MSC: NCLEX Client Needs Category: Physiological Integrity

2. xxiv = _____

ANS:
24

Correct: Whenever a smaller Roman numeral follows a larger one, the two are added. Whenever a smaller Roman numeral appears between two larger ones, subtract the smaller number from the numeral following it.
x = 10; v = 5; i = 1
10 + 10 + (5 – 1) = 24

Incorrect: Whenever a smaller Roman numeral follows a larger one, the two are added. Whenever a smaller Roman numeral appears between two larger ones, subtract the smaller number from the numeral following it.

x = 10; v = 5; i = 1
10 + 10 + (5 – 1) = 24

DIF: Cognitive Level: Comprehension REF: 61
TOP: Nursing Process Step: Implementation
MSC: NCLEX Client Needs Category: Physiological Integrity

 

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