Which of the following is the primary purpose of an Automated implantable Cardioverter Defibrillator (AICD)?

To measure blood pressure continuously

To monitor and correct life-threatening cardiac arrhythmias

To deliver insulin for diabetes management

To administer chemotherapy drugs

Answer and Explanation

The Correct Answer is B

Rationale:

A. While continuous blood pressure monitoring is important in certain critical care settings, an AICD does not provide hemodynamic data. Its function is limited to detecting and correcting cardiac rhythm abnormalities.

B. An Automated Implantable Cardioverter Defibrillator (AICD) continuously monitors the heart’s electrical activity. When it detects life-threatening arrhythmias such as ventricular tachycardia (VT) or ventricular fibrillation (VF), it can deliver anti-tachycardia pacing or a high-energy shock to restore a normal sinus rhythm. This intervention significantly reduces the risk of sudden cardiac death, especially in patients with structural heart disease or a history of cardiac arrest.

C. Insulin delivery is performed via insulin pumps or injections, which are entirely unrelated to cardiac monitoring. Selecting this option reflects a misunderstanding of device functions.

D. Chemotherapy administration requires central venous access devices (e.g., port-a-caths or PICC lines) and is not related to cardiac rhythm management. An AICD does not provide intravenous drug delivery or medication therapy.

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Correct Answer is D

Explanation

Rationale:

A. Amylase is an enzyme primarily elevated in pancreatic disorders such as pancreatitis, not myocardial infarction.

B. Unconjugated bilirubin is elevated in hemolysis or liver dysfunction. It is not a marker of myocardial injury.

C. AST can be elevated after myocardial infarction, but it is nonspecific because it is also found in liver, skeletal muscle, and kidneys. It rises later and is not the most sensitive early marker.

D. Troponin I is highly specific to cardiac muscle injury and increases within 3–6 hours after myocardial infarction, making it a primary early diagnostic marker. It remains elevated for 7–10 days, helping confirm myocardial injury.

A. Captopril B. Carvedilol C. Isosorbide dinitrate D. Fluticasone

Correct Answer is B

Explanation

Rationale:
A. An ACE inhibitor used in heart failure, captopril reduces afterload, decreases blood pressure, and improves cardiac output. It is safe for clients with asthma because it does not cause bronchoconstriction. Nurses should monitor for side effects like cough or hyperkalemia, but respiratory status is typically not affected.

B. A non-selective beta-blocker, carvedilol blocks both beta-1 and beta-2 receptors, which can trigger bronchospasm in clients with asthma or reactive airway disease. In these patients, a cardioselective beta-blocker (e.g., metoprolol or atenolol) is preferred to reduce the risk of respiratory compromise. Clarification is needed to ensure safe management of heart failure without exacerbating asthma.

C. This nitrate reduces preload through venous dilation, helping relieve heart failure symptoms. It is generally safe for clients with asthma because it does not affect bronchial smooth muscle. Nurses should monitor for headache, hypotension, and dizziness as common side effects.

D. An inhaled corticosteroid indicated for asthma management, fluticasone reduces airway inflammation and prevents asthma exacerbations. It is safe to use in clients with heart failure and does not interact adversely with cardiac medications.

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Which of the following is the primary purpose of an Automated implantable Cardioverter Defibrillator (AICD)?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is reviewing the laboratory values of a client who had a myocardial infarction 3 hr ago. The nurse should expect which of the following laboratory values to be elevated?

Correct Answer is D

Explanation

The nurse is caring for a client who has heart failure and a history of asthma. The nurse reviews the provider's orders and recognizes that clarification is needed for which of the following medications?

Correct Answer is B

Explanation

Which of the following is a common symptom of chronic aortic regurgitation?

Which of the following is a critical aspect to monitor in a patient immediately following a heart catheterization?

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A nurse is assessing a client who has right-sided heart failure. Which of the following findings should the nurse expect?

A nurse is reviewing laboratory results for a client who has pericarditis. Which of the following blood test results should the nurse anticipate? (Select All that Apply.)

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A nurse is caring for a client who reports a new onset of severe chest pain. Which of the following actions should the nurse take to determine if the client is experiencing a myocardial infarction?

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