Blood Vessels and Circulation Quiz

What are tiny arteries called?

• Capillaries

• Venules

• Arterioles

• Valves

Which of the following structures prevents the backflow of blood in the heart?

• Nodes

• Valves

• Septums

• Capillaries

The ______ go from the lungs to the heart.

• pulmonary veins

• pulmonary arteries

• aorta

• vena cava

The chambers of the heart eject blood during ______.

• systole

• diastole

• asystole

• fibrillation

Which part of the heart is responsible for setting the pace of the heartbeat?

• Pacemaker

• Aorta

• Ventricle

• Atrium

The P wave in a normal EKG occurs right before ______.

• atrial contraction

• ventricular contraction

• ventricular relaxation

• atrial relaxation

Red blood cells are known as ________.

• erythrocytes

• leukocytes

• thrombocytes

• plasma

White blood cells are called ________.

• leukocytes

• erythrocytes

• thrombocytes

• plasma

Blood types are named after the ________________ they have on the outside of the red blood cells.

• antigens

• enzymes

• hormones

• vitamins

Tags

NGSS.HS-LS3-2

The two major groups of white blood cells are ____.

• granulocytes and agranulocytes

• erythrocytes and leukocytes

• plasma and platelets

• antibodies and antigens