A 55-year-old patient who is diagnosed with an evolving myocardial infarction (MI) insists on going home. The cardiac-vascular nurse encourages the patient to be admitted because the greatest risk within the first 24 hours of sustaining an MI is:

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Med-Surg Cardiovascular Practice Questions Questions

Question 1 of 5

A 55-year-old patient who is diagnosed with an evolving myocardial infarction (MI) insists on going home. The cardiac-vascular nurse encourages the patient to be admitted because the greatest risk within the first 24 hours of sustaining an MI is:

Correct Answer: D

Rationale: Ventricular fibrillation is a life-threatening arrhythmia that often occurs in the first 24 hours after an MI.

Question 2 of 5

Before taking hemodynamic measurements, the monitoring equipment must be referenced by

Correct Answer: B

Rationale: Referencing hemodynamic monitoring equipment means positioning the monitoring equipment so that the zero reference point is at the vertical level of the left atrium of the heart.

Question 3 of 5

Which of the following classifications of heart failure is defined as marked limitation of physical activity with the client being comfortable at rest, but less than ordinary activity causes fatigue, heart palpitation, or dyspnea?

Correct Answer: D

Rationale: Class III heart failure involves significant limitations in physical activity despite being comfortable at rest.

Question 4 of 5

A second 12-lead ECG performed on a patient 4 hours after the onset of chest pain reveals ST segment elevation. What does the nurse recognize that this finding indicates?

Correct Answer: C

Rationale: ST elevation indicates full-thickness myocardial damage.

Question 5 of 5

Which statements accurately describe heart failure ?

Correct Answer: A

Rationale: LVH and CAD are major contributors to heart failure.

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