DOSAGE CALCULATIONS MADE
EASY
SOLVING PROBLEMS USING
DIMENSIONAL ANALYSIS
8TH EDITION
• AUTHOR(S)GLORIA PEARL
CRAIG
TEST BANK
,Question 1 (Easy)
A nurse is preparing to administer acetaminophen 650 mg PO.
The medication is available as 325 mg tablets. How many
tablets should the nurse administer?
A. 1 tablet
B. 1.5 tablets
C. 2 tablets
D. 3 tablets
Correct Answer: C. 2 tablets
Rationale:
Step 1: Set up dimensional analysis.
[
650\ \text{mg} \times \frac{1\ \text{tablet}}{325\ \text{mg}}
]
Step 2: Cancel mg.
[
=2\ \text{tablets}
]
Step 3: Administer 2 tablets.
Medication Safety Note:
Always verify the tablet strength before calculating the number
of tablets to administer.
,Question 2 (Easy)
A provider orders amoxicillin 750 mg PO. The suspension
available is 250 mg/5 mL. How many milliliters should the nurse
administer?
A. 10 mL
B. 12 mL
C. 15 mL
D. 20 mL
Correct Answer: C. 15 mL
Rationale:
Step 1:
[
750\ \text{mg}\times\frac{5\ \text{mL}}{250\ \text{mg}}
]
Step 2:
[
=\frac{3750}{250}=15\ \text{mL}
]
Step 3: Administer 15 mL.
, Medication Safety Note:
Use an oral syringe for accurate measurement.
Question 3 (Easy)
Convert 1.5 g to mg.
A. 15 mg
B. 150 mg
C. 1,500 mg
D. 15,000 mg
Correct Answer: C. 1,500 mg
Rationale:
Step 1:
[
1.5\ \text{g}\times\frac{1000\ \text{mg}}{1\ \text{g}}
]
Step 2:
[
=1500\ \text{mg}
]
EASY
SOLVING PROBLEMS USING
DIMENSIONAL ANALYSIS
8TH EDITION
• AUTHOR(S)GLORIA PEARL
CRAIG
TEST BANK
,Question 1 (Easy)
A nurse is preparing to administer acetaminophen 650 mg PO.
The medication is available as 325 mg tablets. How many
tablets should the nurse administer?
A. 1 tablet
B. 1.5 tablets
C. 2 tablets
D. 3 tablets
Correct Answer: C. 2 tablets
Rationale:
Step 1: Set up dimensional analysis.
[
650\ \text{mg} \times \frac{1\ \text{tablet}}{325\ \text{mg}}
]
Step 2: Cancel mg.
[
=2\ \text{tablets}
]
Step 3: Administer 2 tablets.
Medication Safety Note:
Always verify the tablet strength before calculating the number
of tablets to administer.
,Question 2 (Easy)
A provider orders amoxicillin 750 mg PO. The suspension
available is 250 mg/5 mL. How many milliliters should the nurse
administer?
A. 10 mL
B. 12 mL
C. 15 mL
D. 20 mL
Correct Answer: C. 15 mL
Rationale:
Step 1:
[
750\ \text{mg}\times\frac{5\ \text{mL}}{250\ \text{mg}}
]
Step 2:
[
=\frac{3750}{250}=15\ \text{mL}
]
Step 3: Administer 15 mL.
, Medication Safety Note:
Use an oral syringe for accurate measurement.
Question 3 (Easy)
Convert 1.5 g to mg.
A. 15 mg
B. 150 mg
C. 1,500 mg
D. 15,000 mg
Correct Answer: C. 1,500 mg
Rationale:
Step 1:
[
1.5\ \text{g}\times\frac{1000\ \text{mg}}{1\ \text{g}}
]
Step 2:
[
=1500\ \text{mg}
]
