DOSAGE CALCULATIONS MADE
EASY
SOLVING PROBLEMS USING
DIMENSIONAL ANALYSIS
8TH EDITION
• AUTHOR(S)GLORIA PEARL
CRAIG
TEST BANK
,Question 1 (Easy)
A client is prescribed 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 units
mg cancels, leaving tablets.
Step 3: Calculate
[
650 \div 325 = 2
]
Administer 2 tablets.
,Medication Safety Note:
Always compare the prescribed dose with the available strength
before administering oral medications.
Question 2 (Easy)
A prescription reads amoxicillin 500 mg PO. The suspension
available contains 250 mg per 5 mL.
How many milliliters should the nurse administer?
A. 5 mL
B. 8 mL
C. 10 mL
D. 15 mL
Correct Answer: C. 10 mL
Rationale:
Step 1
[
500\ \text{mg} \times \frac{5\ \text{mL}}{250\ \text{mg}}
]
Step 2
Cancel mg.
, Step 3
[
500 \times 5 =2500
]
[
2500 \div 250=10
]
Administer 10 mL.
Medication Safety Note:
Use an oral dosing syringe for accurate liquid medication
measurement.
Question 3 (Easy)
Convert 2.5 g to milligrams.
A. 25 mg
B. 250 mg
C. 2,500 mg
D. 25,000 mg
Correct Answer: C. 2,500 mg
Rationale:
Step 1
EASY
SOLVING PROBLEMS USING
DIMENSIONAL ANALYSIS
8TH EDITION
• AUTHOR(S)GLORIA PEARL
CRAIG
TEST BANK
,Question 1 (Easy)
A client is prescribed 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 units
mg cancels, leaving tablets.
Step 3: Calculate
[
650 \div 325 = 2
]
Administer 2 tablets.
,Medication Safety Note:
Always compare the prescribed dose with the available strength
before administering oral medications.
Question 2 (Easy)
A prescription reads amoxicillin 500 mg PO. The suspension
available contains 250 mg per 5 mL.
How many milliliters should the nurse administer?
A. 5 mL
B. 8 mL
C. 10 mL
D. 15 mL
Correct Answer: C. 10 mL
Rationale:
Step 1
[
500\ \text{mg} \times \frac{5\ \text{mL}}{250\ \text{mg}}
]
Step 2
Cancel mg.
, Step 3
[
500 \times 5 =2500
]
[
2500 \div 250=10
]
Administer 10 mL.
Medication Safety Note:
Use an oral dosing syringe for accurate liquid medication
measurement.
Question 3 (Easy)
Convert 2.5 g to milligrams.
A. 25 mg
B. 250 mg
C. 2,500 mg
D. 25,000 mg
Correct Answer: C. 2,500 mg
Rationale:
Step 1
