DOSAGE CALCULATIONS MADE
EASY
SOLVING PROBLEMS USING
DIMENSIONAL ANALYSIS
8TH EDITION
• AUTHOR(S)GLORIA PEARL
CRAIG
TEST BANK
,Question 1 (Easy)
A nurse must administer acetaminophen 650 mg PO. The
available tablets contain 325 mg each. How many tablets should
the nurse administer?
A. 1 tablet
B. 1.5 tablets
C. 2 tablets
D. 3 tablets
Correct Answer: C
Rationale:
Step 1: Set up dimensional analysis.
[
650\ \text{mg}\times\frac{1\ \text{tablet}}{325\ \text{mg}}
]
Step 2: Cancel mg.
[
650\div325=2
]
Step 3: Administer 2 tablets.
Medication Safety Note:
Always verify tablet strength before administration to avoid
underdosing or overdosing.
,Question 2 (Easy)
An order reads amoxicillin 500 mg PO. The suspension available
contains 250 mg/5 mL. How many milliliters should the nurse
administer?
A. 5 mL
B. 8 mL
C. 10 mL
D. 12 mL
Correct Answer: C
Rationale:
Step 1:
[
500\ \text{mg}\times\frac{5\ \text{mL}}{250\ \text{mg}}
]
Step 2:
[
500\times5=2500
]
, [
2500\div250=10
]
Step 3:
Administer 10 mL.
Medication Safety Note:
Shake suspensions thoroughly before measuring the dose.
Question 3 (Easy)
A provider orders 0.5 g of cefazolin IV. The vial is labeled in
milligrams. How many milligrams should the nurse prepare?
A. 50 mg
B. 500 mg
C. 5,000 mg
D. 0.05 mg
Correct Answer: B
Rationale:
Step 1:
Use
EASY
SOLVING PROBLEMS USING
DIMENSIONAL ANALYSIS
8TH EDITION
• AUTHOR(S)GLORIA PEARL
CRAIG
TEST BANK
,Question 1 (Easy)
A nurse must administer acetaminophen 650 mg PO. The
available tablets contain 325 mg each. How many tablets should
the nurse administer?
A. 1 tablet
B. 1.5 tablets
C. 2 tablets
D. 3 tablets
Correct Answer: C
Rationale:
Step 1: Set up dimensional analysis.
[
650\ \text{mg}\times\frac{1\ \text{tablet}}{325\ \text{mg}}
]
Step 2: Cancel mg.
[
650\div325=2
]
Step 3: Administer 2 tablets.
Medication Safety Note:
Always verify tablet strength before administration to avoid
underdosing or overdosing.
,Question 2 (Easy)
An order reads amoxicillin 500 mg PO. The suspension available
contains 250 mg/5 mL. How many milliliters should the nurse
administer?
A. 5 mL
B. 8 mL
C. 10 mL
D. 12 mL
Correct Answer: C
Rationale:
Step 1:
[
500\ \text{mg}\times\frac{5\ \text{mL}}{250\ \text{mg}}
]
Step 2:
[
500\times5=2500
]
, [
2500\div250=10
]
Step 3:
Administer 10 mL.
Medication Safety Note:
Shake suspensions thoroughly before measuring the dose.
Question 3 (Easy)
A provider orders 0.5 g of cefazolin IV. The vial is labeled in
milligrams. How many milligrams should the nurse prepare?
A. 50 mg
B. 500 mg
C. 5,000 mg
D. 0.05 mg
Correct Answer: B
Rationale:
Step 1:
Use
