The nurse reviews the lab test results of a patient who has heart failure (HF). Which test result would be most important for the nurse to report to the healthcare provider (HCP)?

Creatine kinase

Myoglobin

Troponin

Serum B-type natriuretic peptide (BNP)

Answer and Explanation

The Correct Answer is D

Choice A reason: Creatine kinase can be elevated in heart failure but is not as specific as BNP for this condition.

Choice B reason: Myoglobin is a muscle protein that can be released into the bloodstream after muscle injury, including heart muscle, but it is not as specific for heart failure as BNP.

Choice C reason: Troponin is a marker of heart muscle injury and can be elevated in heart failure, but BNP is more directly related to the diagnosis and severity of heart failure.

Choice D reason: Serum B-type natriuretic peptide (BNP) is specifically released by the ventricles in response to excessive stretching of heart muscle cells, making it a key marker for heart failure. Elevated levels of BNP are directly correlated with the severity of heart failure and are important for both diagnosis and management.

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Correct Answer is A

Explanation

Choice A Reason:Coronary artery bypass graft surgery (CABG) is not primarily performed to increase blood flow to the myocardium. Instead, it aims to restore blood flow to areas of the heart affected by blockages.

Choice B Reason:CABG does not intentionally decrease blood flow to the coronary arteries. On the contrary, it creates a new pathway to bypass blocked or partially blocked coronary arteries, improving blood flow to the heart muscle.

Choice C Reason:The primary purpose of CABG is to treat coronary artery disease by restoring blood flow to areas of the heart that aren't receiving enough blood. It involves using healthy blood vessels (usually from the chest or leg) to create a detour around blockages. By doing so, CABG improves heart function and reduces symptoms related to ischemia.

Choice D Reason:While CABG can indirectly prevent spasms of the coronary arteries by improving blood flow, it is not its primary purpose.

A. The client can undergo electroconvulsive therapy without giving informed consent. B. The nurse can share information with the client's family without his permission. C. The client has the right to refuse medication. D. The nurse may use restraints as needed (PRN).

Correct Answer is C

Explanation

Choice A reason: Electroconvulsive therapy (ECT) requires informed consent, as it is a significant medical procedure involving anesthesia and induced seizures. Informed consent is a process where a patient is fully informed about the procedures and risks involved in a treatment and voluntarily agrees to it.

Choice B reason: Nurses cannot share information with a client's family without the client's permission due to confidentiality laws, except in specific circumstances defined by law. Patient information is protected under the Health Insurance Portability and Accountability Act (HIPAA), which requires patient consent for disclosure.

Choice C reason: Patients have the right to refuse medication. This right is part of the patient's autonomy and informed consent process. A mentally competent adult can refuse treatment, even if it may result in serious illness or death.

Choice D reason: The use of restraints in mental health facilities is highly regulated. Restraints may only be used when necessary to prevent immediate harm to the patient or others and must be discontinued as soon as the risk of harm has subsided.

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The nurse reviews the lab test results of a patient who has heart failure (HF). Which test result would be most important for the nurse to report to the healthcare provider (HCP)?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

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Correct Answer is A

Explanation

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Correct Answer is C

Explanation

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