The nurse reads the following drug label:
Cyanocobalamin
Injection, USP
1,000 mcg per mL
For IM or SUBQ Use Only
1 mL Multi-Dose Vial
Contains a preservative.
Protect from light.
The nurse demonstrates safe practice when the routes of administration are identified as:
IV, SL
IM, SUBQ
IV, IM
IM, PO
The Correct Answer is B
A. IV, SL: Intravenous (IV) and sublingual (SL) routes are not indicated on the label. Administering via these routes could result in improper absorption or adverse effects.
B. IM, SUBQ: The label clearly states “For IM or SUBQ Use Only,” indicating that intramuscular and subcutaneous administration are the safe and approved routes for cyanocobalamin. This ensures correct absorption and patient safety.
C. IV, IM: While intramuscular (IM) is correct, intravenous (IV) is not listed as an approved route. Using IV could cause complications or medication errors.
D. IM, PO: Oral (PO) administration is not appropriate for cyanocobalamin in this formulation. The medication is designed for injection, and taking it orally would prevent effective absorption.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. 2.5 kg = 1 lb: This conversion overestimates the weight in kilograms. One pound is actually equal to approximately 0.454 kg.
B. 2.5 lb = 1 kg: This incorrectly suggests that 1 kilogram equals 2.5 pounds, which underestimates the weight in pounds. The accurate conversion requires 1 kg ≈ 2.2 lb.
C. 2.2 kg = 1 lb: This incorrectly reverses the relationship. One pound is approximately 0.454 kg, not 2.2 kg.
D. 2.2 lb = 1 kg: This is the correct conversion factor. One kilogram equals approximately 2.2 pounds, which the nurse can use to convert 80 lb to kilograms safely.
Correct Answer is B
Explanation
Calculation:
Given dose = 325 mg
Conversion factor: 1 gram (g) = 1,000 milligrams (mg)
- Calculate the dose in grams (g).
Dose (g) = (Dose in mg / Conversion factor)
= (325 mg / 1,000 mg/g)
= 0.325 g.
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