DOSAGE CALCULATIONS MADE
EASY
SOLVING PROBLEMS USING
DIMENSIONAL ANALYSIS
8TH EDITION
• AUTHOR(S)GLORIA PEARL
CRAIG
TEST BANK
,Question 1 (Easy)
A provider prescribes acetaminophen 650 mg PO. The
medication available is 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.
[
650 \div 325 = 2
]
Step 3: Administer 2 tablets.
Medication Safety Note:
Always compare the prescribed dose with the tablet strength
before administering.
,Question 2 (Easy)
The nurse must administer 750 mg of an oral antibiotic. The
suspension available contains 250 mg/5 mL. How many
milliliters should be given?
A. 10 mL
B. 12.5 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:
[
750 \times 5 = 3750
]
, [
3750 \div 250 = 15
]
Step 3:
Administer 15 mL.
Medication Safety Note:
Use an oral dosing syringe for accurate liquid medication
measurement.
Question 3 (Easy)
Convert 1.5 g to milligrams.
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}}
]
EASY
SOLVING PROBLEMS USING
DIMENSIONAL ANALYSIS
8TH EDITION
• AUTHOR(S)GLORIA PEARL
CRAIG
TEST BANK
,Question 1 (Easy)
A provider prescribes acetaminophen 650 mg PO. The
medication available is 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.
[
650 \div 325 = 2
]
Step 3: Administer 2 tablets.
Medication Safety Note:
Always compare the prescribed dose with the tablet strength
before administering.
,Question 2 (Easy)
The nurse must administer 750 mg of an oral antibiotic. The
suspension available contains 250 mg/5 mL. How many
milliliters should be given?
A. 10 mL
B. 12.5 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:
[
750 \times 5 = 3750
]
, [
3750 \div 250 = 15
]
Step 3:
Administer 15 mL.
Medication Safety Note:
Use an oral dosing syringe for accurate liquid medication
measurement.
Question 3 (Easy)
Convert 1.5 g to milligrams.
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}}
]
