What is a classic sign of ischemia?

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ATI Med-Surg Cardiovascular Test Bank Questions

Question 1 of 5

What is a classic sign of ischemia?

A. B. C. D.

Correct Answer: C

Rationale: Ischemia typically presents with chest pain or discomfort due to reduced blood flow to the heart muscle.

Question 2 of 5

Why must unstable angina be identified and rapidly treated?

A. The pain may be severe and disabling B. ECG changes and dysrhythmias may occur during an attack C. Atherosclerotic plaque deterioration may cause complete thrombus of the vessel lumen D. Spasm of a major coronary artery may cause total occlusion of the vessel with progression to MI

Correct Answer: C

Rationale: Plaque rupture increases MI risk.

Question 3 of 5

You are observing the cardiac rhythms for patients in the coronary care unit. Which of these patients will need immediate intervention?

A. A patient admitted with heart failure who has atrial fibrillation with a rate of 88 while at rest. B. A patient with a newly implanted demand ventricular pacemaker, who has occasional periods of sinus rhythm, rate 90 to 100. C. A patient who has just arrived on the unit with an acute MI and has sinus rhythm, rate 76, with frequent premature ventricular contractions. D. A patient who recently started taking atenolol (Tenormin) and has a first-degree heart block, rate 58.

Correct Answer: C

Rationale: Frequent PVCs in a patient with acute MI can lead to more serious arrhythmias and require immediate attention.

Question 4 of 5

Which is appropriate for Mr. Brown, discharged after an anterior-wall myocardial infarction?

A. Returning to work in 1 week B. Starting a jogging program in 2 weeks C. Abstinence from sexual relations for 3 more months D. Making life-style changes

Correct Answer: D

Rationale: Long-term lifestyle changes support recovery.

Question 5 of 5

Which of the following is the gold standard laboratory test in identifying heart damage from an acute myocardial infarction?

A. Myoglobin B. Troponin C. Creatine kinase (CK) D. Aspartate aminotransferase (AST)

Correct Answer: B

Rationale: Troponin is highly specific for cardiac injury and is considered the gold standard for diagnosing acute myocardial infarction.

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