A client is being admitted for hypernatremia. A nurse is preparing to administer 0.45% sodium chloride 500 mL IV to the client over 2 hours. The nurse should set the IV pump to deliver how many mL/hr?
500
200
250
100
The Correct Answer is B
To calculate the infusion rate: Total volume = 500 mL
Total time = 2 hours To find the mL/hr:
500 mL ÷ 2 hours = 250 mL/hr
Therefore, the correct answer is B. 200 mL/hr.
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Correct Answer is D
Explanation
A. This medication is an osmotic diuretic that reduces intracranial pressure: Furosemide is a loop diuretic, not an osmotic diuretic.
B. This medication works on the distal tubule of the kidney: Furosemide works on the loop of Henle, not the distal tubule.
C. An adverse effect of this medication is hyperkalemia: Furosemide can cause hypokalemia, not hyperkalemia.
D. This medication is used for pulmonary edema caused by heart failure: Furosemide is commonly used to treat fluid retention and pulmonary edema caused by heart failure.
Correct Answer is A
Explanation
A. Ondansetron (Zofran) can cause a prolonged QT interval, which may lead to arrhythmias. This is a known side effect and should be monitored.
B. Spasms of the neck and face are more likely to occur with medications that have extrapyramidal side effects, such as certain antipsychotics, not ondansetron.
C. Nausea and D. Vomiting are the symptoms ondansetron is intended to treat, so these are not complications.
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