Question

if someone were to have a myocardial infarction, what type of muscle cell would be affected?
cardiac
skeletal
rough
smooth

Explanation:

A myocardial infarction is a heart - attack. The heart is made of cardiac muscle. So, cardiac muscle cells are affected during a myocardial infarction. Skeletal muscles are attached to bones and are responsible for voluntary movement. Rough is not a type of muscle cell. Smooth muscles are found in organs like the intestines and blood vessels, not in the heart.

Answer:

A. Cardiac