Patient Care Technician Certification (PCTC) AMCA Practice Exam

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The heart muscle gets its blood supply from where?

Pulmonary veins
Coronary arteries
Aorta
Carotid arteries

The correct answer is: Coronary arteries

The heart muscle receives its blood supply from the coronary arteries. These arteries branch off directly from the aorta, providing oxygen-rich blood specifically to the heart tissue itself. Since the heart is a vital organ that requires a constant supply of oxygen and nutrients to function effectively, the coronary arteries play a crucial role in maintaining the heart’s health and performance. The pulmonary veins are responsible for carrying oxygenated blood from the lungs to the heart but do not supply blood to the heart muscle itself. The aorta is the large artery that carries blood away from the heart to distribute it throughout the body, and while it is the source from which the coronary arteries originate, it does not directly supply blood to the heart muscle. The carotid arteries supply blood primarily to the brain and neck region, so they are not involved in supplying blood to the heart tissue. Thus, the coronary arteries are the correct answer, as they are the vessels specifically designated to nourish the heart muscle.