Morphine sulfate 10 mg IV is prescribed. Available 4 mg/mL How many mL be given?
The Correct Answer is ["2.5"]
Step 1 is identify the total dose ordered
10 mg
Step 2 is identify the concentration available
4 mg per mL
Step 3 is divide the ordered dose by the concentration per mL
(10 ÷ 4) = 2.5
Result = 2.5 mL
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A reason: In ESRD, anuria means no urine output, so excess fluid accumulates in the body, increasing intravascular volume. This can cause hypertension, pulmonary edema, and respiratory distress. Educating the client about these risks emphasizes the importance of fluid restrictions to prevent life-threatening complications between dialysis sessions, addressing their frustration accurately.
Choice B reason: Advising increased fluid intake is incorrect for anuric ESRD patients, as their kidneys cannot excrete fluid. This would exacerbate fluid overload, leading to hypertension, heart failure, or pulmonary edema. Hydration is managed through dialysis, not increased oral intake, which could overwhelm the body’s limited fluid-handling capacity.
Choice C reason: Stating that fluid intake is unrestricted with dialysis is incorrect. Even with regular dialysis, excessive fluid intake between sessions can lead to overload, causing hypertension or pulmonary edema. Dialysis removes a limited amount of fluid per session, requiring strict restrictions to maintain safe fluid balance and prevent complications.
Choice D reason: While potassium and phosphorus restrictions are critical in ESRD to prevent hyperkalemia and hyperphosphatemia, the client’s question focuses on fluid restrictions. This response does not address fluid overload risks like hypertension or pulmonary edema, which are direct consequences of excessive fluid intake in anuric patients, making it irrelevant to the query.
Correct Answer is ["50"]
Explanation
The correct answer is 50 drops per minute
Explanation:
Step 1 is identify the total volume to be infused
50 mL
Step 2 is identify the time in minutes
1 hour = 60 minutes
Step 3 is identify the drop factor for a microdrip set
Microdrip = 60 drops per mL
Step 4 is multiply the volume by the drop factor
50 × 60 = 3000 drops
Step 5 is divide total drops by time in minutes
(3000 ÷ 60) = 50
Result = 50 drops per minute
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