A patient has a myocardial infarction. On which primary blood vessel will the nurse focus care to reduce ischemia?
a. Superior vena cava
b. Pulmonary artery
c. Coronary artery
d. Carotid artery
ANS: C
A myocardial infarction is the lack of blood flow due to obstruction to the coronary artery, which supplies the heart with blood. The superior vena cava returns blood back to the heart. The pulmonary artery supplies deoxygenated blood to the lungs. The carotid artery supplies blood to the brain.
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