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. Although at the upper limit of normal (10–20 mg/dL), BUN alone is not a definitive indicator of AKI. It can be temporarily elevated due to dehydration, high-protein intake, or catabolic states, and must be interpreted alongside creatinine and other clinical findings.

B. This value is within the normal adult range (1.5–2.5 mEq/L). Magnesium levels generally remain stable until more significant kidney dysfunction occurs, so this does not indicate increased AKI risk.

C. This is within the normal range (3.5–5.0 mEq/L). While potassium imbalances can develop in AKI due to impaired excretion, a normal value does not reflect kidney injury.

D. This is elevated above the normal range for adult females (0.6–1.3 mg/dL) and reflects impaired kidney function. After a myocardial infarction, decreased cardiac output can reduce renal perfusion, placing the client at high risk for acute kidney injury. An elevated creatinine in this context warrants close monitoring, potential adjustments to medications, and prompt interventions to prevent further renal damage.

A. 0.9% normal saline IV at 150 mL/hr continuous B. Furosemide 20 mg IV bolus every 12 hr C. Laboratory testing of serum potassium upon admission D. Morphine sulfate 2 mg IV bolus every 4 hr PRN pain

Correct Answer is A

Explanation

Rationale:
A. In acute heart failure, especially following an MI, clients are at risk for fluid volume overload. Administering a relatively large volume of isotonic fluid could exacerbate pulmonary edema and worsen heart failure. This prescription requires clarification with the provider before administration.

B. Furosemide is a loop diuretic commonly prescribed to reduce fluid overload in heart failure. This prescription is appropriate for managing pulmonary congestion and edema.

C. Monitoring electrolytes, particularly potassium, is essential in heart failure patients receiving diuretics. This helps prevent dysrhythmias and is appropriate.

D. Morphine may be used in acute heart failure to relieve anxiety and dyspnea; this prescription is appropriate as ordered.

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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 monitoring an older adult female client who had a myocardial infarction (MI) for the development of an acute kidney injury. Which of the following findings should the nurse identify as indicating an increased risk of acute kidney injury (AKI)?

Correct Answer is D

Explanation

A nurse is admitting a client who has acute heart failure following myocardial infarction (MI). The nurse recognizes that which of the following prescriptions by the provider requires clarification?

Correct Answer is A

Explanation

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A home health nurse is making a home visit to a client who takes a daily diuretic for heart failure. Which of the following manifestations should the nurse identify as indicating the client is hypokalemic?

Which of the following is the initial step in the management of a patient with asystole?

A nurse is caring for a client who has fluid volume excess (FVE) due to heart failure (HF). Which of the following manifestations should the nurse associate with FVE? (Select all that apply.)

A nurse in an emergency department is assessing a client who is having a suspected acute myocardial infarction (MI). Which of the following manifestations should the nurse expect to find for a client experiencing an acute MI? (Select all that apply)