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 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: Identify the ordered dose and available strength.
• Ordered = 650 mg
• Available = 325 mg/tablet
Step 2: Set up dimensional analysis.
[
650\ \text{mg}\times\frac{1\ \text{tablet}}{325\ \text{mg}}=2\
\text{tablets}
]
Step 3: Administer 2 tablets.
,Medication Safety Note:
Verify the total daily acetaminophen dose does not exceed
institutional recommendations.
Question 2 (Easy)
A provider prescribes amoxicillin 500 mg PO. The suspension
available is 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:
Ordered = 500 mg
Available = 250 mg/5 mL
Step 2:
[
500\ \text{mg}\times\frac{5\ \text{mL}}{250\ \text{mg}}=10\
, \text{mL}
]
Step 3:
Administer 10 mL.
Medication Safety Note:
Shake oral suspensions before measuring.
Question 3 (Easy)
Convert 2.5 g to mg.
A. 25 mg
B. 250 mg
C. 2,500 mg
D. 25,000 mg
Correct Answer: C. 2,500 mg
Rationale:
Step 1:
1 g = 1,000 mg
Step 2:
[
2.5\ \text{g}\times\frac{1000\ \text{mg}}{1\ \text{g}}=2500\
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 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: Identify the ordered dose and available strength.
• Ordered = 650 mg
• Available = 325 mg/tablet
Step 2: Set up dimensional analysis.
[
650\ \text{mg}\times\frac{1\ \text{tablet}}{325\ \text{mg}}=2\
\text{tablets}
]
Step 3: Administer 2 tablets.
,Medication Safety Note:
Verify the total daily acetaminophen dose does not exceed
institutional recommendations.
Question 2 (Easy)
A provider prescribes amoxicillin 500 mg PO. The suspension
available is 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:
Ordered = 500 mg
Available = 250 mg/5 mL
Step 2:
[
500\ \text{mg}\times\frac{5\ \text{mL}}{250\ \text{mg}}=10\
, \text{mL}
]
Step 3:
Administer 10 mL.
Medication Safety Note:
Shake oral suspensions before measuring.
Question 3 (Easy)
Convert 2.5 g to mg.
A. 25 mg
B. 250 mg
C. 2,500 mg
D. 25,000 mg
Correct Answer: C. 2,500 mg
Rationale:
Step 1:
1 g = 1,000 mg
Step 2:
[
2.5\ \text{g}\times\frac{1000\ \text{mg}}{1\ \text{g}}=2500\
