The nurse is preparing to administer digoxin (Lanoxin) to a client experiencing atrial fibrillation. Which of the following electrolyte imbalances would the nurse assess to reduce the incidence of toxicity with digoxin (Lanoxin)?
hypocalcemia
hypokalemia
hyperkalemia
hypernatremia
The Correct Answer is B
A. Hypocalcemia is not directly linked to digoxin toxicity; rather, it is more associated with calcium channel blockers.
B. Hypokalemia increases the risk of digoxin toxicity, as low potassium levels can enhance the effects of digoxin on the heart.
C. Hyperkalemia is not directly associated with toxicity; however, it can cause complications in patients taking digoxin.
D. Hypernatremia does not have a direct impact on digoxin toxicity; monitoring potassium levels is more critical.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. While the administration schedule is partly correct, the maximum number of doses should not exceed 3 in 15 minutes without contacting emergency services.
B. Nitroglycerin is not a first-line treatment for hypertension; it is primarily used for angina relief.
C. Nitroglycerin does not dissolve clots; it works by relaxing and dilating blood vessels to improve blood flow and reduce chest pain.
D. This statement accurately describes the action of nitroglycerin, emphasizing its role in dilating blood vessels and improving oxygen delivery to the heart muscle.
Correct Answer is C
Explanation
A. Doxazosin is an alpha-1 blocker that can be used for hypertension but is not a first-line option.
B. Carvedilol is a beta-blocker used in heart failure and post-MI but is not the first choice for initial hypertension treatment.
C. Lisinopril, an ACE inhibitor, is widely recognized as a first-line treatment for hypertension due to its effectiveness and favorable side effect profile.
D. Clonidine is generally not considered a first-line treatment for hypertension due to potential side effects and the availability of more effective alternatives.
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