which electrolyte imbalance is most concerning in a patient taking digoxin

ATI RN

ATI RN Exit Exam Test Bank

1. Which electrolyte imbalance is most concerning in a patient taking digoxin?

A. Monitor potassium levels
B. Monitor calcium levels
C. Monitor sodium levels
D. Monitor magnesium levels

Correct answer: A

Rationale: The correct answer is to monitor potassium levels. Patients taking digoxin are at risk of developing toxicity due to hypokalemia. Low potassium levels can potentiate the toxic effects of digoxin on the heart, leading to serious arrhythmias. Monitoring calcium levels (Choice B) is not the primary concern in patients taking digoxin. While calcium levels play a role in cardiac function, hypocalcemia is not directly associated with digoxin toxicity. Monitoring sodium levels (Choice C) is important for other conditions but is not the primary concern in a patient taking digoxin. Monitoring magnesium levels (Choice D) is also essential, but hypomagnesemia is not as directly linked to digoxin toxicity as hypokalemia.

2. A nurse is assessing a client who is receiving a continuous heparin infusion. Which of the following findings should the nurse report to the provider?

A. Platelet count of 200,000/mm³
B. aPTT of 50 seconds
C. Hemoglobin of 14 g/dL
D. INR of 1.0

Correct answer: D

Rationale: The correct answer is D because an INR of 1.0 is below the therapeutic range for clients receiving heparin, indicating a potential need for dosage adjustment. Platelet count (choice A) within normal range, aPTT (choice B) within therapeutic range, and hemoglobin level (choice C) are not directly related to the monitoring of heparin therapy and would not require immediate reporting to the provider.

3. A nurse is assessing a client who has been taking lithium for bipolar disorder. Which of the following findings should the nurse report to the provider?

A. Tremors
B. Increased thirst
C. Weight gain
D. Diarrhea

Correct answer: A

Rationale: Corrected Rationale: Tremors can indicate lithium toxicity, which should be reported to the provider for further evaluation. Tremors are a significant sign of lithium toxicity and can lead to serious complications if not addressed promptly. Increased thirst, weight gain, and diarrhea are common side effects of lithium but are not typically indicative of toxicity. Therefore, the nurse should prioritize reporting tremors as it requires immediate attention.

4. When teaching a client about nutritional intake, what should be included?

A. Carbohydrates should be at least 45% of your caloric intake.
B. Protein should be at least 55% of your caloric intake.
C. Carbohydrates should be at least 30% of your caloric intake.
D. Protein should be at least 60% of your caloric intake.

Correct answer: A

Rationale: When educating a client about nutritional intake, it is important to mention that carbohydrates should constitute at least 45% of their daily caloric intake for a balanced diet. This macronutrient provides energy and is essential for proper bodily functions. Choice B is incorrect because protein should typically account for around 10-35% of total caloric intake, not 55%. Choice C is too low for the recommended carbohydrate intake, as it should be higher at 45%. Choice D is incorrect as protein intake should generally be around 10-35% of total caloric intake, not 60%.

5. A nurse is caring for a client who has acute pancreatitis. Which of the following laboratory findings should the nurse expect to be elevated?

A. Hemoglobin
B. Bilirubin
C. Amylase
D. Creatinine

Correct answer: C

Rationale: The correct answer is C: Amylase. Amylase levels are elevated in clients with acute pancreatitis due to inflammation of the pancreas. Elevated hemoglobin (choice A) is not typically associated with acute pancreatitis. Bilirubin (choice B) may be elevated in conditions affecting the liver, not specifically in acute pancreatitis. Creatinine (choice D) is a marker of kidney function and is not directly related to acute pancreatitis.