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PTCB PTCE Exam - Topic 1 Question 128 Discussion

What volume, inmL, of morphine sulfate that comes in10 mL vials at a concentration of 5 mg/mLwill be needed to fill an order for25 mg?
C) 2.5
A) 0.5
B) 2
D) 5

PTCB PTCE Exam - Topic 1 Question 128 Discussion

Actual exam question for PTCB's PTCE exam
Question #: 128
Topic #: 1
[All PTCE Questions]

What volume, inmL, of morphine sulfate that comes in10 mL vials at a concentration of 5 mg/mLwill be needed to fill an order for25 mg?

Show Suggested Answer Hide Answer
Suggested Answer: C

Comprehensive and Detailed Step-by-Step Explanation:

Step 1: Use the formula

Explanation of Answer Choices:C. 2.5Correct.2.5 mL provides the required25 mg dose.A. 0.5 Incorrect. Too low.B. 2 Incorrect. Under-dose.D. 5 Incorrect. Over-dose.

Reference:

USP <795>: Pharmaceutical Calculations

PTCB Exam: Dosage Conversions


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