Dosage Calculations Made Easy 8th Edition Test Bank Exam Prep

DOSAGE CALCULATIONS MADE
EASY
SOLVING PROBLEMS USING
DIMENSIONAL ANALYSIS
8TH EDITION
• AUTHOR(S)GLORIA PEARL
CRAIG




TEST BANK

,Question 1 (Easy)
A provider orders acetaminophen 650 mg PO. The tablets
available are 325 mg each. 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: Setup
650 mg×1 tablet325 mg650 \text{ mg} \times \frac{1 \text{
tablet}}{325 \text{ mg}}650 mg×325 mg1 tablet
Step 2: Dimensional Analysis
650÷325=2 tablets650 ÷ 325 = 2 \text{
tablets}650÷325=2 tablets
Step 3: Solution
Administer 2 tablets.
Medication Safety Note:
Always verify tablet strength to avoid underdosing or
overdosing.

,Question 2 (Easy)
A medication order is for 1 g of a drug. The vial is labeled 500
mg/mL. How many mL should be administered?
A. 1 mL
B. 2 mL
C. 0.5 mL
D. 4 mL
Correct Answer: B
Rationale:
Step 1: Convert grams to mg
1 g=1000 mg1 \text{ g} = 1000 \text{ mg}1 g=1000 mg
Step 2: Setup
1000 mg×1 mL500 mg1000 \text{ mg} \times \frac{1 \text{
mL}}{500 \text{ mg}}1000 mg×500 mg1 mL
Step 3: Solve
1000÷500=2 mL1000 ÷ 500 = 2 \text{ mL}1000÷500=2 mL
Medication Safety Note:
Always convert units before calculating to prevent dosage
errors.


Question 3 (Easy)
A patient is prescribed 10 mL of cough syrup. How many

, teaspoons is this?
A. 1 tsp
B. 2 tsp
C. 3 tsp
D. 5 tsp
Correct Answer: B
Rationale:
Step 1: Conversion
1 tsp = 5 mL
Step 2: Setup
10 mL×1 tsp5 mL10 \text{ mL} \times \frac{1 \text{ tsp}}{5 \text{
mL}}10 mL×5 mL1 tsp
Step 3: Solve
10÷5=2 tsp10 ÷ 5 = 2 \text{ tsp}10÷5=2 tsp
Medication Safety Note:
Use metric measurements whenever possible for accuracy.


Question 4 (Easy)
Order: Ibuprofen 400 mg PO. Available: 200 mg tablets. How
many tablets?
A. 1
B. 2
C. 3