MATERNITY AND PEDIATRIC
NURSING
5TH EDITION
AUTHOR(S)SUSAN SCOTT RICCI;
TERRI KYLE; SUSAN CARMAN
TEST BANK
1) Reference
Ch. 1 — Arithmetic Review — Arabic Numbers and Roman
Numerals
Question
The provider orders digoxin XII mcg PO once daily. The unit
,stock is a scored tablet containing 6 mcg per tablet. How many
tablets should the nurse administer?
Options
A. 1 tablet
B. 2 tablets
C. 3 tablets
D. 4 tablets
Correct Answer
B. 2 tablets
Rationales
Correct Answer: Convert the Roman numeral first: XII = 12 mcg.
Dimensional analysis: 12 mcg × (1 tablet / 6 mcg) = 2 tablets.
The microgram units cancel, leaving tablets.
A: 1 tablet would deliver only 6 mcg, which is half the ordered
dose.
C: 3 tablets would give 18 mcg, which is too much.
D: 4 tablets would give 24 mcg, which is unsafe.
Teaching Point
Convert Roman numerals before setting up the dose
calculation.
Citation
Craig, G. P. (n.d.). Dosage Calculations Made Easy: Solving
Problems Using Dimensional Analysis (8th ed.). Ch. 1.
2) Reference
,Ch. 1 — Arithmetic Review — Arabic Numbers and Roman
Numerals
Question
The provider orders IX mg of medication PO. The liquid
concentration is 3 mg/mL. How many milliliters should the
nurse administer?
Options
A. 2 mL
B. 2.5 mL
C. 3 mL
D. 4 mL
Correct Answer
C. 3 mL
Rationales
Correct Answer: Convert the order first: IX = 9 mg. Dimensional
analysis: 9 mg × (1 mL / 3 mg) = 3 mL. The mg units cancel,
leaving mL.
A: 2 mL reflects dividing by 4 or rounding down incorrectly.
B: 2.5 mL does not match the calculated amount.
D: 4 mL would overdose the patient.
Teaching Point
Roman numerals must be translated before calculating volume.
Citation
Craig, G. P. (n.d.). Dosage Calculations Made Easy: Solving
Problems Using Dimensional Analysis (8th ed.). Ch. 1.
, 3) Reference
Ch. 1 — Arithmetic Review — Arabic Numbers and Roman
Numerals
Question
A provider prescribes XV mg of a medication. The available
tablet strength is 10 mg per tablet. How many tablets should
the nurse give?
Options
A. 1.5 tablets
B. 2 tablets
C. 2.5 tablets
D. 3 tablets
Correct Answer
A. 1.5 tablets
Rationales
Correct Answer: Convert XV = 15 mg. Set up the calculation: 15
mg × (1 tablet / 10 mg) = 1.5 tablets. The mg units cancel
correctly.
B: 2 tablets would give 20 mg, which is too much.
C: 2.5 tablets would give 25 mg, an unsafe overdose.
D: 3 tablets would give 30 mg, which is far above the order.
Teaching Point
Use unit cancellation to keep tablets and milligrams aligned.
NURSING
5TH EDITION
AUTHOR(S)SUSAN SCOTT RICCI;
TERRI KYLE; SUSAN CARMAN
TEST BANK
1) Reference
Ch. 1 — Arithmetic Review — Arabic Numbers and Roman
Numerals
Question
The provider orders digoxin XII mcg PO once daily. The unit
,stock is a scored tablet containing 6 mcg per tablet. How many
tablets should the nurse administer?
Options
A. 1 tablet
B. 2 tablets
C. 3 tablets
D. 4 tablets
Correct Answer
B. 2 tablets
Rationales
Correct Answer: Convert the Roman numeral first: XII = 12 mcg.
Dimensional analysis: 12 mcg × (1 tablet / 6 mcg) = 2 tablets.
The microgram units cancel, leaving tablets.
A: 1 tablet would deliver only 6 mcg, which is half the ordered
dose.
C: 3 tablets would give 18 mcg, which is too much.
D: 4 tablets would give 24 mcg, which is unsafe.
Teaching Point
Convert Roman numerals before setting up the dose
calculation.
Citation
Craig, G. P. (n.d.). Dosage Calculations Made Easy: Solving
Problems Using Dimensional Analysis (8th ed.). Ch. 1.
2) Reference
,Ch. 1 — Arithmetic Review — Arabic Numbers and Roman
Numerals
Question
The provider orders IX mg of medication PO. The liquid
concentration is 3 mg/mL. How many milliliters should the
nurse administer?
Options
A. 2 mL
B. 2.5 mL
C. 3 mL
D. 4 mL
Correct Answer
C. 3 mL
Rationales
Correct Answer: Convert the order first: IX = 9 mg. Dimensional
analysis: 9 mg × (1 mL / 3 mg) = 3 mL. The mg units cancel,
leaving mL.
A: 2 mL reflects dividing by 4 or rounding down incorrectly.
B: 2.5 mL does not match the calculated amount.
D: 4 mL would overdose the patient.
Teaching Point
Roman numerals must be translated before calculating volume.
Citation
Craig, G. P. (n.d.). Dosage Calculations Made Easy: Solving
Problems Using Dimensional Analysis (8th ed.). Ch. 1.
, 3) Reference
Ch. 1 — Arithmetic Review — Arabic Numbers and Roman
Numerals
Question
A provider prescribes XV mg of a medication. The available
tablet strength is 10 mg per tablet. How many tablets should
the nurse give?
Options
A. 1.5 tablets
B. 2 tablets
C. 2.5 tablets
D. 3 tablets
Correct Answer
A. 1.5 tablets
Rationales
Correct Answer: Convert XV = 15 mg. Set up the calculation: 15
mg × (1 tablet / 10 mg) = 1.5 tablets. The mg units cancel
correctly.
B: 2 tablets would give 20 mg, which is too much.
C: 2.5 tablets would give 25 mg, an unsafe overdose.
D: 3 tablets would give 30 mg, which is far above the order.
Teaching Point
Use unit cancellation to keep tablets and milligrams aligned.
