A nurse has received an order to administer Morphine 5mg IV once immediately.
The available concentration is 2.5 mg/mL. How many mL of morphine should the nurse prepare for administration?
0.5 mL
1 mL
2 mL
4 mL
The Correct Answer is C
Step 1: The order is to administer Morphine 5mg IV once immediately. The available concentration is 2.5 mg/mL. To find out how many mL of morphine the nurse should prepare for administration, we need to divide the ordered dose by the available concentration.
Step 2: Calculation: 5 mg ÷ 2.5 mg/mL = 2 mL So, the nurse should prepare 2 mL of morphine for administration.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A rationale
The correct transcription of two tenths of a milligram is 0.2 mg. This format avoids any potential confusion that could lead to a medication error.
Choice B rationale
While 0.20 mg is technically correct, it is not the preferred format. The trailing zero after the decimal point is unnecessary and could potentially lead to confusion.
Choice C rationale
20 mg is not correct. This is 100 times the intended dose of two tenths of a milligram, and could lead to a serious medication error.
Choice D rationale
2 mg is not correct. This is 10 times the intended dose of two tenths of a milligram, and could lead to a medication error.
Correct Answer is D
Explanation
Choice A rationale
Hypomagnesemia, or low magnesium levels, is not typically a primary concern for newborns of mothers with diabetes mellitus. While it can occur, it is not the priority focus of care.
Choice B rationale
Hyperbilirubinemia, or high bilirubin levels, can lead to jaundice in newborns. However, it is not the primary concern in newborns of mothers with diabetes mellitus. These newborns are more at risk for hypoglycemia.
Choice C rationale
Hypocalcemia, or low calcium levels, can occur in newborns, but it is not the primary concern in newborns of mothers with diabetes mellitus. These newborns are more at risk for hypoglycemia.
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