Cardiovascular System Quiz

What is the natural pacemaker of the heart?

• SA node

• AV node

• Bundle of His

• Purkinje fibers

What is the volume of blood pumped by the heart per minute called?

• Cardiac output

• Stroke volume

• Heart rate

• Blood pressure

Tags

NGSS.HS-LS1-3

What valve separates the right atrium and the right ventricle?

• Tricuspid valve

• Mitral valve

• Aortic valve

• Pulmonary valve

Which blood vessel carries blood from the left ventricle?

• Aorta

• Pulmonary artery

• Superior vena cava

• Inferior vena cava

What EKG wave accompanies ventricular contraction (depolarization)?

• QRS complex

• P wave

• T wave

• U wave

What wave of an EKG represents contraction (depolarization) of the atria?

• P wave

• QRS complex

• T wave

• U wave

Which blood vessel is generally used to determine blood pressure with a sphygmomanometer (blood pressure cuff)?

• Brachial artery

• Radial artery

• Femoral artery

• Carotid artery

What is another name for the bicuspid valve, and where is it located?

• Mitral valve, separates the left atrium and left ventricle

• Tricuspid valve, separates the right atrium and right ventricle

• Aortic valve, located at the base of the aorta

• Pulmonary valve, located at the base of the pulmonary artery

List the components of the cardiac conduction system in the correct sequence for impulse transmission.

• SA node, AV node, Bundle of His, Purkinje fibers

• AV node, SA node, Purkinje fibers, Bundle of His

• Bundle of His, Purkinje fibers, SA node, AV node

• Purkinje fibers, Bundle of His, AV node, SA node

What is pulse?

• Alternating contraction and relaxation of an arterial wall as the heart beats

• The sound of blood flowing through the heart

• The electrical activity of the heart

• The pressure of blood against the walls of arteries