Dosage Calculations Made Easy
Solving Problems Using
Dimensional Analysis
8th Edition
• Author(s)Gloria Pearl Craig
TEST BANK
Reference: Ch. 1 — Arithmetic Review — Arabic Numbers
and Roman Numerals
Question: The medication order reads, “Give metoprolol II
tablets by mouth now.” 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: Roman numeral II = 2, so the nurse
administers 2 tablets. Misreading Roman numerals can cause an
underdose or overdose, so the order must be interpreted
exactly as written.
Incorrect Options: A is half the ordered amount. C doubles the
dose. D is a larger overdose.
Teaching Point: Always translate Roman numerals correctly
before administering a dose.
Citation: Craig, G. P. Dosage Calculations Made Easy: Solving
Problems Using Dimensional Analysis (8th ed.). Ch. 1.
Reference: Ch. 1 — Arithmetic Review — Arabic Numbers
and Roman Numerals
Question: A discharge instruction states, “Take acetaminophen
V mL every 6 hours as needed for pain.” How many milliliters
should the nurse document for this dose?
Options:
A. 4 mL
B. 5 mL
C. 6 mL
D. 10 mL
Correct Answer: B. 5 mL
Rationale: Correct: Roman numeral V = 5, so the dose is 5 mL.
Correct numeral recognition prevents transcription and
administration errors.
Incorrect Options: A is one less than the ordered dose. C and D
,are higher than the prescribed amount.
Teaching Point: Roman numerals must be converted accurately
before charting or giving medication.
Citation: Craig, G. P. Dosage Calculations Made Easy: Solving
Problems Using Dimensional Analysis (8th ed.). Ch. 1.
Reference: Ch. 1 — Arithmetic Review — Multiplying
Fractions
Question: The provider orders 3/4 tablet of a medication. Each
tablet contains a total dose of 2 mg. How many milligrams will
the patient receive?
Options:
A. 1.0 mg
B. 1.5 mg
C. 2.0 mg
D. 2.5 mg
Correct Answer: B. 1.5 mg
Rationale: Correct: Multiply the fraction by the tablet strength:
3/4 × 2 mg = 1.5 mg. The unit cancels appropriately, leaving
milligrams. This is the exact amount in the partial tablet dose.
Incorrect Options: A reflects an undercalculation. C equals a full
tablet, not 3/4 of one. D is not supported by the calculation.
Teaching Point: Multiply the fraction of the tablet by the total
strength to find the actual dose.
Citation: Craig, G. P. Dosage Calculations Made Easy: Solving
Problems Using Dimensional Analysis (8th ed.). Ch. 1.
, Reference: Ch. 1 — Arithmetic Review — Dividing Fractions
Question: The provider prescribes 1 mg of a medication. The
label states 1/4 mg per tablet. How many tablets should the
nurse give?
Options:
A. 2 tablets
B. 3 tablets
C. 4 tablets
D. 5 tablets
Correct Answer: C. 4 tablets
Rationale: Correct: Use dimensional analysis: 1 mg ÷ (1/4
mg/tablet) = 4 tablets. The milligram units cancel, leaving
tablets. This is the required dose.
Incorrect Options: A and B are incomplete doses. D exceeds the
ordered amount.
Teaching Point: Divide the ordered dose by the dose per tablet
to determine tablet count.
Citation: Craig, G. P. Dosage Calculations Made Easy: Solving
Problems Using Dimensional Analysis (8th ed.). Ch. 1.
Reference: Ch. 1 — Arithmetic Review — Multiplying
Fractions
Question: A nurse prepares 2/3 of a tablet. Each tablet contains
3 mg of the medication. How many milligrams will the patient
receive?
Options:
A. 1 mg
B. 2 mg
Solving Problems Using
Dimensional Analysis
8th Edition
• Author(s)Gloria Pearl Craig
TEST BANK
Reference: Ch. 1 — Arithmetic Review — Arabic Numbers
and Roman Numerals
Question: The medication order reads, “Give metoprolol II
tablets by mouth now.” 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: Roman numeral II = 2, so the nurse
administers 2 tablets. Misreading Roman numerals can cause an
underdose or overdose, so the order must be interpreted
exactly as written.
Incorrect Options: A is half the ordered amount. C doubles the
dose. D is a larger overdose.
Teaching Point: Always translate Roman numerals correctly
before administering a dose.
Citation: Craig, G. P. Dosage Calculations Made Easy: Solving
Problems Using Dimensional Analysis (8th ed.). Ch. 1.
Reference: Ch. 1 — Arithmetic Review — Arabic Numbers
and Roman Numerals
Question: A discharge instruction states, “Take acetaminophen
V mL every 6 hours as needed for pain.” How many milliliters
should the nurse document for this dose?
Options:
A. 4 mL
B. 5 mL
C. 6 mL
D. 10 mL
Correct Answer: B. 5 mL
Rationale: Correct: Roman numeral V = 5, so the dose is 5 mL.
Correct numeral recognition prevents transcription and
administration errors.
Incorrect Options: A is one less than the ordered dose. C and D
,are higher than the prescribed amount.
Teaching Point: Roman numerals must be converted accurately
before charting or giving medication.
Citation: Craig, G. P. Dosage Calculations Made Easy: Solving
Problems Using Dimensional Analysis (8th ed.). Ch. 1.
Reference: Ch. 1 — Arithmetic Review — Multiplying
Fractions
Question: The provider orders 3/4 tablet of a medication. Each
tablet contains a total dose of 2 mg. How many milligrams will
the patient receive?
Options:
A. 1.0 mg
B. 1.5 mg
C. 2.0 mg
D. 2.5 mg
Correct Answer: B. 1.5 mg
Rationale: Correct: Multiply the fraction by the tablet strength:
3/4 × 2 mg = 1.5 mg. The unit cancels appropriately, leaving
milligrams. This is the exact amount in the partial tablet dose.
Incorrect Options: A reflects an undercalculation. C equals a full
tablet, not 3/4 of one. D is not supported by the calculation.
Teaching Point: Multiply the fraction of the tablet by the total
strength to find the actual dose.
Citation: Craig, G. P. Dosage Calculations Made Easy: Solving
Problems Using Dimensional Analysis (8th ed.). Ch. 1.
, Reference: Ch. 1 — Arithmetic Review — Dividing Fractions
Question: The provider prescribes 1 mg of a medication. The
label states 1/4 mg per tablet. How many tablets should the
nurse give?
Options:
A. 2 tablets
B. 3 tablets
C. 4 tablets
D. 5 tablets
Correct Answer: C. 4 tablets
Rationale: Correct: Use dimensional analysis: 1 mg ÷ (1/4
mg/tablet) = 4 tablets. The milligram units cancel, leaving
tablets. This is the required dose.
Incorrect Options: A and B are incomplete doses. D exceeds the
ordered amount.
Teaching Point: Divide the ordered dose by the dose per tablet
to determine tablet count.
Citation: Craig, G. P. Dosage Calculations Made Easy: Solving
Problems Using Dimensional Analysis (8th ed.). Ch. 1.
Reference: Ch. 1 — Arithmetic Review — Multiplying
Fractions
Question: A nurse prepares 2/3 of a tablet. Each tablet contains
3 mg of the medication. How many milligrams will the patient
receive?
Options:
A. 1 mg
B. 2 mg
