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 C
The total volume to be infused is 500 mL. The total time for the infusion is 2 hours.
The formula to calculate the IV pump rate is: Rate (mL/hr) = Total Volume (mL) / Time (hr)
Rate (mL/hr) = 500 mL / 2 hr Rate (mL/hr) = 250 mL/hr
Therefore, the nurse should set the IV pump to deliver 250 mL/hr.
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Naxlex Comprehensive Predictor Exams
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Correct Answer is D
Explanation
A. Docusate sodium (Colace): This is a stool softener and is used to treat constipation, not diarrhea.
B. Sucralfate (Carafate): This medication is used to treat ulcers, not diarrhea.
C. Omeprazole (Prilosec): This is a proton pump inhibitor, used to treat gastric acid-related conditions, not diarrhea.
D. Loperamide (Imodium): Loperamide is an anti-diarrheal medication that slows down gut motility and is indicated to treat diarrhea.
Correct Answer is D
Explanation
A. Insulin glargine (Lantus): This is a long-acting insulin, with no pronounced peak and a slow onset, typically around 1-2 hours.
B. Glucagon (Glucagen): This is not an insulin; it's used to treat severe hypoglycemia.
C. Glipizide (Glucotrol): This is an oral medication used to stimulate insulin secretion, not an insulin itself.
D. Insulin lispro (Humalog): Insulin lispro is a rapid-acting insulin with an onset of 15 to 30 minutes.
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