Cardiovascular System and Blood Vessel Anatomy Quiz

Arteries carry oxygenated blood away from the heart.

Capillaries facilitate nutrient and waste exchange with tissues.

While enzymes are present in blood, they're not a primary component like red blood cells or plasma.

The SA node initiates the heartbeat by sending electrical impulses.

Ventricle is a heart chamber, not a blood vessel.

The aorta is the largest artery, originating from the heart's left ventricle.

Veins carry deoxygenated blood from the body's tissues back to the heart.

The pulmonary vein is not an artery; it carries oxygenated blood from the lungs to the heart.

The mitral valve separates the left atrium from the left ventricle in the heart.

The pulmonary artery carries deoxygenated blood from the heart to the lungs for oxygenation.

The endothelium helps regulate blood pressure by releasing substances that dilate or constrict blood vessels.

Chest pain or discomfort is a common symptom of a heart attack.

Hemoglobin binds to oxygen in the lungs and transports it to tissues throughout the body.

Veins return blood from the body's tissues back to the heart.

Regular exercise is not a risk factor; it's beneficial for cardiovascular health.

Atherosclerosis is the accumulation of fatty deposits in artery walls, leading to narrowing and potential blockages.

A blood pressure reading below 140/90 mmHg is generally considered normal.

Hemostasis is the process of blood clot formation to prevent excessive bleeding.

Erythrocytes are red blood cells; they're not white blood cells.