CVT Cardiac Anatomy & Physiology

Question 1

Which chamber of the heart receives oxygenated blood from the lungs?

Accepted Answer

Left atrium

Answer

The left atrium receives oxygen-rich blood from the pulmonary veins coming from the lungs.

Question 2

What is the function of the sinoatrial (SA) node?

Accepted Answer

Acts as the heart’s pacemaker

Answer

The SA node is the heart’s natural pacemaker, initiating electrical impulses that cause the heart to beat.

Question 3

Which valve prevents backflow of blood into the left atrium?

Accepted Answer

Mitral valve

Answer

The mitral valve (also known as the bicuspid valve) prevents blood from flowing back into the left atrium when the left ventricle contracts.

Question 4

What structure separates the left and right sides of the heart?

Accepted Answer

Septum

Answer

The septum is a muscular wall that separates the left and right sides of the heart to prevent the mixing of oxygenated and deoxygenated blood.

Question 5

Which vessel carries deoxygenated blood to the lungs?

Accepted Answer

Pulmonary artery

Answer

The pulmonary artery is the only artery in the body that carries deoxygenated blood, transporting it from the right ventricle to the lungs.

(CVT) Cardiovascular Technologist Certification Practice Test