Physics of Circulation Review 25

What is the function of white blood cells?

• Carry oxygen

• Fight infections

• Clot blood

• Transport nutrients

Which of the following conditions is characterized by the narrowing of blood vessels?

• Hypertension

• Atherosclerosis

• Anemia

• Stroke

The smallest blood vessels in the body are called ________.

• Arteries

• Veins

• Capillaries

• Arterioles

The heart is located in the ________ cavity.

• Abdominal

• Thoracic

• Cranial

• Pelvic

The right ventricle pumps blood to the lungs through the _______.

• Aorta

• Pulmonary artery

• Pulmonary vein

• Vena cava

Which chamber of the heart pumps blood to the lungs?

• Right atrium

• Left atrium

• Right ventricle

• Left ventricle

This is the largest artery in the body.

• Capillaries

• Pulmonary arteries

• Aorta

• Pulmonary veins

The smallest blood vessels in the body that transport waste and deliver oxygen to every cell are called ______.

• Capillaries

• Pulmonary arteries

• Vena cava

• Pulmonary veins

_______ circulation is responsible for removing carbon dioxide from the blood.

• Systemic

• Pulmonary

What effect does increased resistance in a blood vessel have on blood flow and pressure?

• It decreases blood flow and increases upstream pressure.

• It decreases both blood flow and upstream pressure.

• It increases blood flow and decreases upstream pressure.

• It has no effect on blood flow.