EASY
SOLVING PROBLEMS USING
DIMENSIONAL ANALYSIS
8TH EDITION
• AUTHOR(S)GLORIA PEARL
CRAIG
TEST BANK
,NCLEX-RN Dosage Calculation Practice Examination (20
Questions)
Question 1 (Easy)
A provider orders 500 mg of acetaminophen. The tablets
available are 250 mg each. How many tablets will the nurse
administer?
A. 1 tablet
B. 2 tablets
C. 3 tablets
D. 4 tablets
Correct Answer: B
Rationale:
Step 1: Setup
[
500 \text{ mg ordered} \times \frac{1 \text{ tablet}}{250 \text{
mg}}
]
Step 2: Dimensional Analysis
[
= 2 \text{ tablets}
]
,Step 3: Solution
The nurse administers 2 tablets.
Medication Safety Note:
Always verify tablet strength to avoid underdosing or
overdosing.
Question 2 (Easy)
Order: 1 g amoxicillin PO
Available: 500 mg capsules
How many capsules will the nurse administer?
A. 1
B. 2
C. 3
D. 4
Correct Answer: B
Rationale:
Step 1: Convert grams to mg
[
1 \text{ g} = 1000 \text{ mg}
]
Step 2: Setup
[
, 1000 \text{ mg} \times \frac{1 \text{ capsule}}{500 \text{ mg}}
]
Step 3: Calculation
[
= 2 \text{ capsules}
]
Medication Safety Note:
Always convert to the same unit before calculating.
Question 3 (Easy)
Order: 10 mL of cough syrup
How many teaspoons is this?
A. 1 tsp
B. 2 tsp
C. 3 tsp
D. 4 tsp
Correct Answer: B
Rationale:
Step 1: Conversion
[
1 \text{ tsp} = 5 \text{ mL}
]