Cardiovascular System

What prevents back flow of blood into the left ventricle?

• Pulmonary valve

• Aortic valve

• Tricuspid valve

• Mitral valve

What is the role of the pulmonary valve?

• It allows blood to flow from the right ventricle to the pulmonary artery.

• It prevents back flow of blood from the pulmonary artery into the right ventricle.

• It regulates blood flow from the lungs to the heart.

• It controls the flow of oxygenated blood to the body.

What is the function of the aortic valve?

• It allows blood to flow from the left ventricle to the aorta.

• It prevents back flow of blood from the aorta into the left ventricle.

• It regulates blood flow into the pulmonary artery.

• It separates the left atrium from the left ventricle.

What is the normal range for adult blood pressure?

• 110/70 mmHg

• 120/80 mmHg

• 130/90 mmHg

• 140/100 mmHg

What is located between the right atrium and right ventricle?

• Tricuspid valve

• Mitral valve

• Aortic valve

• Pulmonary valve

What is atherosclerosis?

• A condition characterized by the buildup of fatty deposits in the arteries.

• A type of cancer affecting the blood vessels.

• An autoimmune disorder that attacks the heart.

• A viral infection that causes inflammation of the arteries.

What is arteriosclerosis?

• A condition involving the thickening and hardening of the arterial walls.

• A type of cancer affecting the arteries.

• A viral infection that targets the heart.

• A genetic disorder that causes blood clots.

What is the function of the tricuspid valve?

• It prevents back flow of blood from the right ventricle to the right atrium.

• It allows blood to flow from the left atrium to the left ventricle.

• It prevents back flow of blood from the left ventricle to the left atrium.

• It regulates blood flow from the right atrium to the right ventricle.

What is the term for the inability of the heart to meet the needs of the tissues of the body?

• Congestive heart failure

• Myocardial infarction

• Arrhythmia

• Cardiomyopathy

In a blood pressure reading of 90/60, what is the diastolic blood pressure?

• 50

• 55

• 60

• 65