The Cardiovascular System Quiz

What are the three components of the cardiovascular system?

• Heart, Blood Vessels, Blood

• Heart, Lungs, Blood

• Heart, Veins, Arteries

What is the function of the pericardium?

• Anchors the heart

• Pumps blood

• Transports oxygen

What is the role of the sinoatrial node?

• Functions as the heart's pacemaker

• Regulates blood pressure

• Controls heart valves

What is the cardiac cycle?

• One complete contraction and relaxation of the heart

• The process of blood flow

• The electrical activity of the heart

What happens during ventricular systole?

• Ventricles depolarize and contract

• Atria repolarize and relax

• Blood is pumped to the lungs

What is the normal pace of sinus rhythm?

• 70 to 80 bpm

• 60 to 70 bpm

• 80 to 90 bpm

What is the function of the cardiac conduction system?

• Transmits electrical impulses

• Pumps blood

• Regulates heart rate

What is the role of the epicardium?

• Most superficial layer of the heart

• Pumps blood

• Separates the chambers

What is the purpose of the foramen ovale in fetal circulation?

• Allows blood to bypass the lungs

• Transports oxygen

• Removes waste products

What is the primary function of the left ventricle?

• Pumps blood to the rest of the body

• Pumps blood to the lungs

• Receives blood from the body