Nursing TestBank2026: Dosage Calculations Made Easy 8th Ed Test Bank | Craig MCQs | Dimensional Analysis Nursing Math Questions

Dosage Calculations Made Easy
Solving Problems Using
Dimensional Analysis
8th Edition
• Author(s)Gloria Pearl Craig


TEST BANK

Reference: Ch. 1 — Arabic Numbers and Roman Numerals
Question: A nurse is reviewing a handwritten medication order
that reads “ii tablets” of a pain reliever. How many tablets
should the nurse administer?
Options:
A. 1 tablet
B. 2 tablets
C. 4 tablets

,D. 5 tablets
Correct Answer: B. 2 tablets
Rationale — Correct Answer: In Roman numerals, ii = 2. The
nurse should administer 2 tablets because the order specifies
two units, not one or four.
Rationale — A: This is the value of i, not ii.
Rationale — C: This is iv, not ii.
Rationale — D: This is v, not ii.
Teaching Point: Know Roman numeral values before
interpreting medication orders.
Citation: Craig, G. P. (8th ed.). Dosage Calculations Made Easy:
Solving Problems Using Dimensional Analysis. Ch. 1.
Reference: Ch. 1 — Arabic Numbers and Roman Numerals
Question: A medication label shows the dose as X mg per
tablet. The nurse must document the Arabic number. What is
the correct Arabic numeral?
Options:
A. 5
B. 10
C. 50
D. 100
Correct Answer: B. 10
Rationale — Correct Answer: In Roman numerals, X = 10. The
nurse should record the dose as 10 mg.
Rationale — A: This is V, not X.
Rationale — C: This is L, not X.
Rationale — D: This is C, not X.

,Teaching Point: Roman numeral translation prevents
documentation errors.
Citation: Craig, G. P. (8th ed.). Dosage Calculations Made Easy:
Solving Problems Using Dimensional Analysis. Ch. 1.
Reference: Ch. 1 — Arabic Numbers and Roman Numerals
Question: A provider order reads “iv tablets” of a stool softener
at bedtime. How many tablets should the nurse administer?
Options:
A. 2 tablets
B. 3 tablets
C. 4 tablets
D. 6 tablets
Correct Answer: C. 4 tablets
Rationale — Correct Answer: iv = 4. The order requires 4
tablets.
Rationale — A: This is ii, not iv.
Rationale — B: This would be iii, not iv.
Rationale — D: This is vi, not iv.
Teaching Point: Roman numeral subtraction rules matter in
medication orders.
Citation: Craig, G. P. (8th ed.). Dosage Calculations Made Easy:
Solving Problems Using Dimensional Analysis. Ch. 1.
Reference: Ch. 1 — Arabic Numbers and Roman Numerals
Question: A nurse sees a dose written as L mg on an old
medication list. What is the Arabic number?
Options:

, A. 10
B. 25
C. 50
D. 100
Correct Answer: C. 50
Rationale — Correct Answer: In Roman numerals, L = 50. The
correct Arabic number is 50 mg.
Rationale — A: This is X, not L.
Rationale — B: This is not a standard Roman numeral value for
L.
Rationale — D: This is C, not L.
Teaching Point: Recognize standard Roman numeral symbols
instantly.
Citation: Craig, G. P. (8th ed.). Dosage Calculations Made Easy:
Solving Problems Using Dimensional Analysis. Ch. 1.
Reference: Ch. 1 — Fractions — Multiplying Fractions
Question: A child is prescribed 1/2 tablet in the morning and
1/2 tablet at night for 3 days. How many tablets are needed for
each dose pattern over the 3 days?
Options:
A. 1 1/2 tablets
B. 2 tablets
C. 3 tablets
D. 6 tablets
Correct Answer: B. 2 tablets
Rationale — Correct Answer: First find the daily total: 1/2 + 1/2
= 1 tablet/day. Over 3 days, 1 × 3 = 3 tablets total, but because