A nurse is caring for a client who has heart failure and a new prescription for furosemide. Which of the following laboratory values should the nurse review before administering furosemide?
Potassium
Phosphate
Carbon dioxide
Bicarbonate
The Correct Answer is A
Furosemide is a loop diuretic that blocks water reabsorption in the loop of Henle promoting diuresis. It also causes potassium loss in urine leading to hypokalemia. Checking potassium levels before administration of furosemide prevents worsening already existing hypokalemia.
B, C, D- furosemide does not affect the blood levels of phosphate, Carbon dioxide and bicarbonate.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Severe nausea and vomiting can lead to respiratory acidosis due to the loss of gastric contents, which contain hydrochloric acid. When vomiting is prolonged or severe, the loss of acid can result in metabolic alkalosis.
A. Respiratory alkalosis occurs due to hyperventilation in conditions such as anxiety, salicylism
C. metabolic acidosis occurs in conditions where there is increased secretion of acid for example DKA
D. Respiratory acidosis occurs due to impaired ventilation such as chest trauma
Correct Answer is A
Explanation
Insulin glargine is a long acting insulin that has a long duration of action. This allows it to be used as a basal insulin to mimic the body's basal insulin release.
Rapid acting insulins have a duration of effect of 3-6 hours. They are used as premeals doses to provide additional insulin due to glucose peaks after meals.
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