Chapter 17: Dosage Calculation and Medication Administration
Cooper: Foundation of Nursing
MULTIPLE CHOICE
1. What is the correct conversion for the improper fraction ?
a. 7
b. 8
c. 7.79
d. 79.7
ANS: B
Divide the numerator by the denominator. The correct conversion for the improper fraction is
8.
DIF: Cognitive Level: Comprehension REF: p. 425 OBJ: 3
TOP: Math KEY: Nursing Process Step: N/A MSC: NCLEX: N/A
2. Which of the following fractions is the largest?
a. 3/4
b. 1/4
c. 1/2
d. 1/8
ANS: A
The smaller the denominator, the larger the fraction.
DIF: Cognitive Level: Knowledge REF: p. 424 OBJ: 3
TOP: Math KEY: Nursing Process Step: N/A MSC: NCLEX: N/A
3. Which of the following fractions is the smallest?
a. 1/8
b. 1/4
c. 1/2
d. 3/4
ANS: A
The larger the denominator, the smaller the fraction.
DIF: Cognitive Level: Knowledge REF: p. 425 OBJ: 3
TOP: Math KEY: Nursing Process Step: N/A MSC: NCLEX: N/A
4. What is the product of 1/2 3/4?
a. 3/8
b. 4/5
c. 2/3
d. 1/4
ANS: A
Multiply the numerators. Multiply the denominators.
, The first step when multiplying fractions is to multiply the two numerators. The second step is
to multiply the two denominators. Finally, simplify the new fractions. The fractions can also
be simplified before multiplying by factoring out common factors in the numerator and
denominator.
DIF: Cognitive Level: Comprehension REF: p. 425 OBJ: 3
TOP: Math KEY: Nursing Process Step: N/A MSC: NCLEX: N/A
5. What is 3/8 divided by 1/4?
a. 1 1/2
b. 1 1/3
c. 1 3/4
d. 1 2/3
ANS: B
Write the problem down correctly, invert the second number, and multiply.
3/8 divided by =
3/8 4/1 = 12/8 = 3/2 or 1 1/3
DIF: Cognitive Level: Comprehension REF: p. 427 OBJ: 3
TOP: Math KEY: Nursing Process Step: N/A MSC: NCLEX: N/A
6. What is 2.34 + 0.77?
a. 0.01
b. 90.4
c. 2.417
d. 3.11
ANS: D
Align the decimal point of each decimal fraction in a column and add.
DIF: Cognitive Level: Comprehension REF: p. 428 OBJ: 3
TOP: Math KEY: Nursing Process Step: N/A MSC: NCLEX: N/A
7. What is 6.147 rounded to the nearest tenth?
a. 6.2
b. 6.15
c. 6.14
d. 6.1
ANS: D
A subsequent number that is 5 or larger can increase the previous number by one whole
number. A subsequent number that is less than 5 will leave the number unchanged.
DIF: Cognitive Level: Application REF: p. 424 OBJ: 3
TOP: Math KEY: Nursing Process Step: N/A MSC: NCLEX: N/A
8. What is 2.5 2?
a. 1.25
b. 5
c. 50
Cooper: Foundation of Nursing
MULTIPLE CHOICE
1. What is the correct conversion for the improper fraction ?
a. 7
b. 8
c. 7.79
d. 79.7
ANS: B
Divide the numerator by the denominator. The correct conversion for the improper fraction is
8.
DIF: Cognitive Level: Comprehension REF: p. 425 OBJ: 3
TOP: Math KEY: Nursing Process Step: N/A MSC: NCLEX: N/A
2. Which of the following fractions is the largest?
a. 3/4
b. 1/4
c. 1/2
d. 1/8
ANS: A
The smaller the denominator, the larger the fraction.
DIF: Cognitive Level: Knowledge REF: p. 424 OBJ: 3
TOP: Math KEY: Nursing Process Step: N/A MSC: NCLEX: N/A
3. Which of the following fractions is the smallest?
a. 1/8
b. 1/4
c. 1/2
d. 3/4
ANS: A
The larger the denominator, the smaller the fraction.
DIF: Cognitive Level: Knowledge REF: p. 425 OBJ: 3
TOP: Math KEY: Nursing Process Step: N/A MSC: NCLEX: N/A
4. What is the product of 1/2 3/4?
a. 3/8
b. 4/5
c. 2/3
d. 1/4
ANS: A
Multiply the numerators. Multiply the denominators.
, The first step when multiplying fractions is to multiply the two numerators. The second step is
to multiply the two denominators. Finally, simplify the new fractions. The fractions can also
be simplified before multiplying by factoring out common factors in the numerator and
denominator.
DIF: Cognitive Level: Comprehension REF: p. 425 OBJ: 3
TOP: Math KEY: Nursing Process Step: N/A MSC: NCLEX: N/A
5. What is 3/8 divided by 1/4?
a. 1 1/2
b. 1 1/3
c. 1 3/4
d. 1 2/3
ANS: B
Write the problem down correctly, invert the second number, and multiply.
3/8 divided by =
3/8 4/1 = 12/8 = 3/2 or 1 1/3
DIF: Cognitive Level: Comprehension REF: p. 427 OBJ: 3
TOP: Math KEY: Nursing Process Step: N/A MSC: NCLEX: N/A
6. What is 2.34 + 0.77?
a. 0.01
b. 90.4
c. 2.417
d. 3.11
ANS: D
Align the decimal point of each decimal fraction in a column and add.
DIF: Cognitive Level: Comprehension REF: p. 428 OBJ: 3
TOP: Math KEY: Nursing Process Step: N/A MSC: NCLEX: N/A
7. What is 6.147 rounded to the nearest tenth?
a. 6.2
b. 6.15
c. 6.14
d. 6.1
ANS: D
A subsequent number that is 5 or larger can increase the previous number by one whole
number. A subsequent number that is less than 5 will leave the number unchanged.
DIF: Cognitive Level: Application REF: p. 424 OBJ: 3
TOP: Math KEY: Nursing Process Step: N/A MSC: NCLEX: N/A
8. What is 2.5 2?
a. 1.25
b. 5
c. 50
