Patient Care Technician (PCT) AAH Practice Exam

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Prepare for the Patient Care Technician (PCT) AAH Exam. Study with flashcards and multiple choice questions, complete with hints and explanations. Get ready to excel in your exam!

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What artery supplies blood to the right atrium and right ventricle?

Left coronary artery
Right coronary artery
Pulmonary artery
Anterior descending artery

The correct answer is: Right coronary artery

The right coronary artery is responsible for supplying blood to the right atrium and right ventricle. It plays a critical role in the heart's blood supply, particularly to the structures that are vital for pumping deoxygenated blood to the lungs. This artery branches from the aorta and extends along the right atrioventricular groove, ensuring that the necessary oxygenated blood reaches the cardiac tissues involved in the right heart's function. In contrast, the left coronary artery primarily supplies the left side of the heart, including the left atrium and left ventricle, which are responsible for pumping oxygenated blood to the body. The pulmonary artery carries deoxygenated blood from the right ventricle to the lungs for oxygenation, and the anterior descending artery, a branch of the left coronary artery, mainly supplies portions of the left ventricle and interventricular septum. Each of these arteries has specific roles in the cardiovascular system, underscoring the specialized function of the right coronary artery in nourishing the right side of the heart.