An acute myocardial infarction (AMI) occurs when:
A. myocardial tissue dies secondary to an absence of oxygen.
B. the heart muscle progressively weakens and dysfunctions.
C. coronary artery dilation decreases blood flow to the heart.
D. the entire left ventricle is damaged and cannot pump blood.
Answer: A. myocardial tissue dies secondary to an absence of oxygen.
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