Which statement regarding the treatment of a myocardial infarction is incorrect?

Thrombolytic agents can be used to dissolve a blood clot that is blocking coronary artery flow.

Patients are often kept on bedrest after initial diagnosis to reduce the workload of the heart.

Timely diagnosis of myocardial infarction is not a factor in the extent of muscle damage.

Percutaneous coronary intervention uses a stent to reopen the blocked coronary artery.

Answer and Explanation

The Correct Answer is C

Choice A Reason:Thrombolytic agents (clot-dissolving drugs) are indeed used to dissolve blood clots that block coronary artery flow during a heart attack. These medications help restore blood flow and prevent further damage to the heart muscle.

Choice B Reason:Bedrest is commonly recommended after a myocardial infarction (heart attack) to reduce the workload on the heart. It allows the heart to heal and minimizes strain during the recovery phase.

Choice C Reason:Timely diagnosis of myocardial infarction is crucial because early intervention can significantly impact the extent of muscle damage. Rapid treatment helps preserve heart tissue and prevent complications.

Choice D Reason:Percutaneous coronary intervention (PCI) involves using a stent to reopen a blocked coronary artery. This procedure restores blood flow and improves outcomes for patients with myocardial infarction.

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Correct Answer is D

Explanation

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.

A. Blood backs up from the left atrium. B. Blood backs up from the left ventricle. C. Blood backs up from the right ventricle. D. Blood backs up from the right atrium.

Correct Answer is B

Explanation

Choice A Reason:In left HF, the left ventricle fails to pump blood forward efficiently, leading to congestion in the pulmonary circulation. As a result, blood backs up into the left atrium, causing symptoms such as pulmonary edema, shortness of breath, and fatigue. Left atrial enlargement may occur due to this backup of blood.

Choice B Reason:In left HF, blood does not back up from the left ventricle. Instead, the left ventricle itself is weakened and unable to propel blood effectively into the systemic circulation.

Choice C Reason:Blood backing up from the right ventricle is associated with right heart failure, not left HF. Right HF occurs when the right ventricle fails to pump blood efficiently, leading to congestion in the systemic venous circulation.

Choice D Reason:Blood backing up from the right atrium is also related to right heart failure. In left HF, the primary issue is congestion in the pulmonary circulation due to left ventricular dysfunction.

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Which statement regarding the treatment of a myocardial infarction is incorrect?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

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)?

Correct Answer is D

Explanation

The nurse reinforces teaching to the patient on left heart failure (HF). The nurse would evaluate the patient as understanding if the patient stated which of these occurs to blood flow through the heart?

Correct Answer is B

Explanation

The nursing interventions for a patient with major depression would include all the following except:

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The nurse is reinforcing teaching for a patient with chronic heart failure. Which of the following weight measurements should the nurse ask the patient to perform to monitor fluid status at home?

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