A nurse is reviewing laboratory results for a client who has heart failure and notes a serum potassium level of 5.2 mEq/L (3.5 to 5.0 mEq/L). Which of the following medications should the nurse withheld?
Furosemide
Spironolactone
Metoprolol
Atorvastatin
The Correct Answer is B
A. Furosemide: Furosemide is a loop diuretic that promotes potassium excretion. It does not need to be withheld for a mildly elevated potassium level; in fact, it may help lower potassium levels in hyperkalemia.
B. Spironolactone: Spironolactone is a potassium-sparing diuretic that can increase serum potassium. With a level of 5.2 mEq/L, administering spironolactone could worsen hyperkalemia and increase the risk of cardiac complications, so the dose should be withheld and the provider notified.
C. Metoprolol: Metoprolol, a beta-blocker, does not typically raise potassium levels significantly. While beta-blockers can slightly affect potassium, withholding is not indicated solely based on a potassium level of 5.2 mEq/L.
D. Atorvastatin: Atorvastatin, a lipid-lowering agent, has no effect on serum potassium levels and does not need to be withheld in this situation. It can be continued safely.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Client reports popping sensation at the wound: A popping or tearing sensation at the surgical site can indicate wound dehiscence or evisceration, which is a surgical emergency. Immediate reporting to the provider is essential for prompt intervention to prevent further complications.
B. Client is tender to touch at the surgical site: Mild tenderness is expected 24 hours postoperatively due to inflammation and tissue trauma. While it should be monitored, it is not an urgent finding requiring immediate provider notification.
C. Crusting on the client's incision line: Light crusting is a normal part of the healing process and does not typically indicate a complication. Routine wound care and monitoring are sufficient.
D. Serosanguineous drainage on the client's dressing: Serosanguineous drainage is expected within the first 24–48 hours after surgery. It is a normal finding and usually does not require urgent reporting unless it increases significantly or changes character.
Correct Answer is B
Explanation
A. "Adolescents should increase their daily sodium intake to more than 2,800 milligrams.": This is incorrect because adolescents should limit sodium intake to less than 2,300 milligrams per day to reduce the risk of hypertension and cardiovascular issues. Excess sodium intake is associated with negative health outcomes rather than benefits.
B. "Adolescents should aim to consume at least 1,300 milligrams of calcium each day.": This is correct because adolescents require adequate calcium to support rapid bone growth and peak bone mass development. Meeting calcium needs during adolescence helps prevent future osteoporosis and supports overall skeletal health.
C. "Adolescent males require more iron than females due to the increase in their muscle mass.": This is incorrect because adolescent females typically require more iron than males due to menstrual blood loss. Iron is essential for hemoglobin production, and females are at higher risk for iron deficiency during adolescence.
D. "Adolescent females should consume 200 micrograms of folic acid every day.": This is inaccurate because the recommended daily allowance (RDA) for folic acid in adolescents is 400 micrograms per day, not 200. Adequate folic acid is critical for DNA synthesis and overall growth during adolescence.
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