Which cardiac medication requires monitoring of serum potassium levels due to the risk of hyperkalemia?
Lisinopril
Amlodipine
Furosemide
Digoxin
The Correct Answer is A
A. Lisinopril: Lisinopril is an ACE inhibitor that reduces aldosterone secretion, leading to potassium retention. Clients taking this medication are at risk for hyperkalemia, so serum potassium levels must be closely monitored.
B. Amlodipine: Amlodipine is a calcium channel blocker used for hypertension and angina. It primarily affects vascular smooth muscle and does not significantly influence potassium balance, so routine potassium monitoring is not required.
C. Furosemide: Furosemide is a loop diuretic that increases urinary potassium excretion, which can cause hypokalemia. Monitoring potassium is important, but the risk here is deficiency rather than hyperkalemia.
D. Digoxin: Digoxin does not directly alter potassium levels but its effects are influenced by potassium balance. Hypokalemia increases the risk of digoxin toxicity, making potassium monitoring important but not due to risk of hyperkalemia.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Sharing computer passwords with coworkers: Sharing passwords violates confidentiality and HIPAA guidelines by allowing unauthorized access to protected health information. Each nurse must maintain individual login security to ensure accountability and client privacy.
B. Preventing an unidentified health care worker from viewing a health record on the computer screen: This action protects client confidentiality by ensuring only authorized personnel access records. Preventing unauthorized viewing supports safe and ethical practice.
C. Logging out of the computer before leaving a terminal: Logging out is an essential measure to safeguard confidentiality. It prevents others from accessing client records under the nurse’s credentials when the workstation is unattended.
D. Using a computer terminal in a non-public area: This promotes confidentiality by reducing the risk of unauthorized individuals viewing or accessing client information. Private or restricted areas provide better security for health records.
Correct Answer is D
Explanation
A. Glaucoma: Propranolol is not contraindicated in clients with glaucoma. In fact, beta-blocker eye drops such as timolol are sometimes prescribed to reduce intraocular pressure, showing that this condition does not pose a risk with propranolol therapy.
B. Depression: While propranolol can occasionally worsen depressive symptoms, depression is considered a precaution rather than a strict contraindication. The benefits of blood pressure control often outweigh this risk, provided the client is closely monitored.
C. Migraines: Propranolol is frequently prescribed as a preventive treatment for migraines due to its effectiveness in reducing frequency and severity. Therefore, a history of migraines is not a contraindication but rather a therapeutic indication.
D. Asthma: Propranolol is contraindicated in clients with asthma because its nonselective beta-blocking effect can cause bronchoconstriction. Blocking beta-2 receptors in the lungs increases the risk of bronchospasm, which can trigger life-threatening respiratory complications in asthmatic clients.
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