Myocardial Infarction MI NCLEX

Myocardial Infarction (MI) NCLEX Questions You're educating a patient about the causes of a myocardial infarction. Which statement by the patient indicates they misunderstood your teaching and requires you to re- educate them?*

• Coronary artery dissection can happen spontaneously and occurs more in women.
• The most common cause of a myocardial infarction is a coronary spasm from illicit

drug use or hypertension.

• Patients who have coronary artery disease are at high risk for developing a

myocardial infarction.

• Both A and B are incorrect. - Answer- B

You note in the patient's chart that the patient recently had a myocardial infarction due to a blockage in the left coronary artery. You know that which of the following is true about this type of blockage?*

• A blockage in the left coronary artery causes the least amount of damage to the heart

muscle.

• Left coronary artery blockages can cause anterior wall death which affects the left

ventricle.

• Left coronary artery blockage can cause posterior wall death which affects the right

ventricle.

• The left anterior descending artery is least likely to be affected by coronary artery

disease. - Answer- B A patient is 36 hours status post a myocardial infarction. The patient is starting to complain of chest pain when they lay flat or cough. You note on auscultation of the heart a grating, harsh sound. What complication is this patient mostly likely suffering from?*

• Cardiac dissection
• Ventricular septum rupture
• Mitral valve prolapse
• Pericarditis - Answer- D

After a myocardial infraction, at what time (approximately) do the macrophages present at the site of injury to perform granulation of the tissue?*

• 24 hours
• 2 days
• 10 days
• 6 hours - Answer- C
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