Solving Problems Using
Dimensional Analysis
8th Edition
• Author(s)Gloria Pearl Craig
TEST BANK
1) Roman Numerals
Reference: Ch. 1 — Arabic Numbers and Roman Numerals
Question:
A medication label states that the patient should take III tablets
by mouth at bedtime. How many tablets is this?
Options:
A. 2 tablets
B. 3 tablets
,C. 4 tablets
D. 5 tablets
Correct Answer: B. 3 tablets
Rationale:
Correct: In Roman numerals, III = 3. The patient should receive
3 tablets. This is a basic number conversion skill used to avoid
medication-count errors.
A: II equals 2, not 3.
C: IV equals 4, not 3.
D: V equals 5, not 3.
Teaching Point: Roman numerals must be converted accurately
before medication administration.
Citation: Craig, G. P. (2025). Dosage Calculations Made Easy:
Solving Problems Using Dimensional Analysis (8th ed.). Ch. 1.
2) Roman Numerals
Reference: Ch. 1 — Arabic Numbers and Roman Numerals
Question:
A nurse reads a prescription written as VI capsules. How many
capsules does the nurse prepare?
Options:
A. 4 capsules
B. 5 capsules
,C. 6 capsules
D. 7 capsules
Correct Answer: C. 6 capsules
Rationale:
Correct: VI = 6. The nurse should prepare 6 capsules. Accurate
number recognition prevents dose-counting mistakes.
A: IV equals 4, not 6.
B: V equals 5, not 6.
D: VII equals 7, not 6.
Teaching Point: Roman numeral conversion is a safety check
before giving medications.
Citation: Craig, G. P. (2025). Dosage Calculations Made Easy:
Solving Problems Using Dimensional Analysis (8th ed.). Ch. 1.
3) Roman Numerals
Reference: Ch. 1 — Arabic Numbers and Roman Numerals
Question:
The provider writes IX mL of an oral medication. How many
milliliters should the nurse measure?
Options:
A. 7 mL
B. 8 mL
C. 9 mL
D. 10 mL
, Correct Answer: C. 9 mL
Rationale:
Correct: IX = 9. The nurse should measure 9 mL. Converting
Roman numerals correctly prevents underdosing or overdosing.
A: VII equals 7, not 9.
B: VIII equals 8, not 9.
D: X equals 10, not 9.
Teaching Point: Convert Roman numerals before calculating or
measuring the dose.
Citation: Craig, G. P. (2025). Dosage Calculations Made Easy:
Solving Problems Using Dimensional Analysis (8th ed.). Ch. 1.
4) Multiplying Fractions
Reference: Ch. 1 — Fractions — Multiplying Fractions
Question:
A provider orders 3/4 of a 2-mg chewable tablet. How many
milligrams will the patient receive?
Options:
A. 1 mg
B. 1.5 mg
C. 2 mg
D. 2.5 mg
Correct Answer: B. 1.5 mg