Why must unstable angina be identified and rapidly

Question 1 of 9

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 2 of 9

You are teamed with an LPN/LVN in caring for a group of patients on the cardiac unit. Which action by the LPN/LVN indicates you need to intervene immediately?

A. The LPN/LVN assists a patient to the bathroom 30 minutes after the patient has returned from a coronary arteriogram. B. The LPN/LVN checks a patient's blood pressure before administering nitroglycerin (Nitro-Stat) 0.4 mg SL. C. The LPN/LVN returns a patient to bed after the patient's heart rate increases from 72 to 96 while ambulating in the hall. D. The LPN/LVN brings breakfast to a patient who is scheduled for an echocardiogram later in the morning.

Correct Answer: A

Rationale: Post-coronary arteriogram, patients need rest to prevent bleeding at the puncture site; assisting them to the bathroom too soon can increase the risk of complications.

Question 3 of 9

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 4 of 9

Which of the following adverse symptoms should a nurse observe when administering quinidine to a client with valvular disorder of the heart?

A. Ringing of the ears B. Stiff neck C. Bradycardia D. Bluish discoloration of the palms

Correct Answer: C

Rationale: Bradycardia is a potential side effect of quinidine, requiring close monitoring.

Question 5 of 9

Which patient symptom is not a usual reaction to pain following open-heart surgery?

A. Bradycardia B. Increased respiratory rate C. Muscle rigidity D. Dilated pupils

Correct Answer: A

Rationale: Bradycardia is not typically associated with pain response.

Question 6 of 9

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 7 of 9

Discuss in detail the postoperative nursing management of a patient who has undergone right Pneumonectomy.

A. Monitor respiratory status B. Manage pain C. Prevent complications D. All of the above

Correct Answer: D

Rationale: Postoperative care focuses on respiratory function, pain control, and preventing complications like pneumonia.

Question 8 of 9

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.

Question 9 of 9

Based on these findings, which patient has the highest cardiac risk?

A. The man, because his HDL is lower B. The woman, because her HDL is higher C. The woman, because her cholesterol is higher D. The man, because his cholesterol-to-HDL ratio is higher

Correct Answer: D

Rationale: A higher cholesterol-to-HDL ratio increases cardiac risk.

Why must unstable angina be identified and rapidly treated?

Nurselytic

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