A patient taking hydrochlorothiazide is also prescribed digoxin. Which lab value should the nurse monitor closely?
Sodium
Magnesium
Calcium
Potassium
The Correct Answer is D
(A) Sodium: Thiazide diuretics can lower sodium, but hyponatremia does not directly affect digoxin toxicity.
(B) Magnesium: Magnesium is important for cardiac function but not as directly linked to digoxin toxicity as potassium.
(C) Calcium: Thiazides can cause hypercalcemia, but calcium does not significantly affect digoxin toxicity.
(D) Potassium: Thiazide diuretics (e.g., hydrochlorothiazide) cause potassium loss, which increases the risk of digoxin toxicity. Hypokalemia sensitizes the heart to digoxin’s effects, leading to arrhythmias.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
(A) Phenotype: Represents observable traits such as height, eye color, and blood type.
(B) Chromosome: Structure carrying genetic information, not a trait.
(C) Genotype: The genetic makeup, not the observable characteristics.
(D) Allele: Different versions of a gene, but not the overall appearance.
Correct Answer is ["B","C","E"]
Explanation
A. White Rice: Low in potassium and phosphorus, making it a safe choice.
B. Baked Salmon: High in phosphorus, which should be limited in CKD.
C. Spinach: High in oxalates, which can contribute to kidney stones.
D. Apples: Low in potassium and safe for CKD patients.
E. Bananas: High in potassium, which can cause dangerous levels in CKD.
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