DOSAGE CALCULATIONS MADE
EASY
SOLVING PROBLEMS USING
DIMENSIONAL ANALYSIS
8TH EDITION
• AUTHOR(S)GLORIA PEARL
CRAIG
TEST BANK
,Question 1 (Easy)
A nurse must administer amoxicillin 750 mg PO. The pharmacy
supplies 250-mg capsules.
How many capsules should the nurse administer?
A. 2 capsules
B. 2.5 capsules
C. 3 capsules
D. 4 capsules
Correct Answer: C. 3 capsules
Rationale:
Step 1: Setup
[
750\ \text{mg} \times \frac{1\ \text{capsule}}{250\ \text{mg}}
]
Step 2: Dimensional Analysis
[
750 \div 250 = 3
]
Step 3: Solution
Administer 3 capsules.
Medication Safety Note:
,Always verify that the total number of tablets or capsules is
reasonable before administration.
Question 2 (Easy)
A provider prescribes acetaminophen 650 mg PO.
Available: 325 mg tablets
How many tablets should be given?
A. 1 tablet
B. 1.5 tablets
C. 2 tablets
D. 3 tablets
Correct Answer: C. 2 tablets
Rationale:
Step 1: Setup
[
650\ \text{mg}\times\frac{1\ \text{tablet}}{325\ \text{mg}}
]
Step 2: Calculation
, [
650\div325=2
]
Step 3: Solution
Administer 2 tablets.
Medication Safety Note:
Confirm the patient's maximum daily acetaminophen intake
from all sources.
Question 3 (Easy)
A child is prescribed 7.5 mL of an oral antibiotic.
The medication cup is marked only in teaspoons.
How many teaspoons should the nurse administer?
A. 1 tsp
B. 1.5 tsp
C. 2 tsp
D. 3 tsp
Correct Answer: B. 1.5 tsp
Rationale:
Step 1
EASY
SOLVING PROBLEMS USING
DIMENSIONAL ANALYSIS
8TH EDITION
• AUTHOR(S)GLORIA PEARL
CRAIG
TEST BANK
,Question 1 (Easy)
A nurse must administer amoxicillin 750 mg PO. The pharmacy
supplies 250-mg capsules.
How many capsules should the nurse administer?
A. 2 capsules
B. 2.5 capsules
C. 3 capsules
D. 4 capsules
Correct Answer: C. 3 capsules
Rationale:
Step 1: Setup
[
750\ \text{mg} \times \frac{1\ \text{capsule}}{250\ \text{mg}}
]
Step 2: Dimensional Analysis
[
750 \div 250 = 3
]
Step 3: Solution
Administer 3 capsules.
Medication Safety Note:
,Always verify that the total number of tablets or capsules is
reasonable before administration.
Question 2 (Easy)
A provider prescribes acetaminophen 650 mg PO.
Available: 325 mg tablets
How many tablets should be given?
A. 1 tablet
B. 1.5 tablets
C. 2 tablets
D. 3 tablets
Correct Answer: C. 2 tablets
Rationale:
Step 1: Setup
[
650\ \text{mg}\times\frac{1\ \text{tablet}}{325\ \text{mg}}
]
Step 2: Calculation
, [
650\div325=2
]
Step 3: Solution
Administer 2 tablets.
Medication Safety Note:
Confirm the patient's maximum daily acetaminophen intake
from all sources.
Question 3 (Easy)
A child is prescribed 7.5 mL of an oral antibiotic.
The medication cup is marked only in teaspoons.
How many teaspoons should the nurse administer?
A. 1 tsp
B. 1.5 tsp
C. 2 tsp
D. 3 tsp
Correct Answer: B. 1.5 tsp
Rationale:
Step 1
