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. Tablets
available are 325 mg/tablet.
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 mg × (1 tablet / 325 mg)
Step 2: Cancel units
650 ÷ 325 = 2
Step 3: Solution
Administer 2 tablets.
Medication Safety Note:
Always verify the tablet strength before administration to avoid
overdosing.
,Question 2 (Easy)
A patient is prescribed 750 mg amoxicillin PO. The suspension
available is 250 mg/5 mL.
How many milliliters should the nurse administer?
A. 10 mL
B. 12.5 mL
C. 15 mL
D. 20 mL
Correct Answer: C
Rationale:
Step 1
750 mg × (5 mL / 250 mg)
Step 2
750 × 5 = 3750
3750 ÷ 250 = 15
Step 3
Administer 15 mL.
Medication Safety Note:
Shake suspensions thoroughly before measuring the dose.
, 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
Rationale:
Step 1
2.5 g × (1000 mg / 1 g)
Step 2
2.5 × 1000 = 2500
Step 3
2,500 mg
Medication Safety Note:
Always convert grams to milligrams before performing dosage
calculations.
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. Tablets
available are 325 mg/tablet.
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 mg × (1 tablet / 325 mg)
Step 2: Cancel units
650 ÷ 325 = 2
Step 3: Solution
Administer 2 tablets.
Medication Safety Note:
Always verify the tablet strength before administration to avoid
overdosing.
,Question 2 (Easy)
A patient is prescribed 750 mg amoxicillin PO. The suspension
available is 250 mg/5 mL.
How many milliliters should the nurse administer?
A. 10 mL
B. 12.5 mL
C. 15 mL
D. 20 mL
Correct Answer: C
Rationale:
Step 1
750 mg × (5 mL / 250 mg)
Step 2
750 × 5 = 3750
3750 ÷ 250 = 15
Step 3
Administer 15 mL.
Medication Safety Note:
Shake suspensions thoroughly before measuring the dose.
, 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
Rationale:
Step 1
2.5 g × (1000 mg / 1 g)
Step 2
2.5 × 1000 = 2500
Step 3
2,500 mg
Medication Safety Note:
Always convert grams to milligrams before performing dosage
calculations.
