Circulatory System Overview Quiz

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What is the main function of the circulatory system?

To provide oxygen, nutrients, and hormones to muscles, tissues, and organs; and to remove waste from cells and organs.

What are the three main components of your circulatory system?

Heart, blood vessels, and blood.

What are the three main types of blood vessels?

Myocardium, Endocardium, Epicardium

Red Blood Cells, White Blood Cells, Platelets

Arteries, Veins, Capillaries (correct)

Plasma, Serum, Fibrinogen

What is the function of the pulmonary circuit?

It carries blood without oxygen from the heart to the lungs, where the blood picks up oxygen, and then returns oxygenated blood back to the heart. Signup and view all the answers

What is the function of the systemic circuit?

It carries oxygenated blood from the heart to the rest of the body, delivering nutrients and hormones and picking up waste products. Signup and view all the answers

What is the function of the coronary circuit?

It provides the heart muscle with oxygenated blood and returns oxygen-poor blood back to the heart to be re-oxygenated. Signup and view all the answers

What are the three main types of blood cells?

Red blood cells, white blood cells, and platelets. Signup and view all the answers

What is the primary function of red blood cells?

To carry oxygen to the tissues and carbon dioxide away from them. Signup and view all the answers

What is the primary function of white blood cells?

To fight foreign pathogens, such as bacteria, viruses, and fungi. Signup and view all the answers

What is the primary function of platelets?

To help regulate blood flow and aid in the clotting of blood when the body is damaged. Signup and view all the answers

What are the four types of blood groups in the ABO system?

A, B, AB, O Signup and view all the answers

What is the function of plasma in blood?

It serves as the liquid base for whole blood, transporting nutrients, hormones, and waste products, and playing a role in clotting, immunity, and maintaining osmotic pressure. Signup and view all the answers

Where are most blood cells made?

In the bone marrow. Signup and view all the answers

What are the four chambers of the heart?

Right atrium, right ventricle, left atrium, left ventricle. Signup and view all the answers

The right ventricle pumps oxygenated blood to the body.

False Signup and view all the answers

What is the name of the body's largest artery?

Aorta. Signup and view all the answers

Veins carry oxygenated blood away from the heart.

False Signup and view all the answers

What is the function of the cardiac cycle?

It describes the complete sequence of events that occur in one heartbeat, including the contraction and relaxation of the heart chambers. Signup and view all the answers

What is the name given to the volume of blood pumped out per ventricle per minute?

Cardiac output. Signup and view all the answers

What are the two main components of cardiac output?

Heart rate and stroke volume. Signup and view all the answers

Low cardiac output can be a sign of heart failure or severe infection.

True Signup and view all the answers

What is the function of an electrocardiogram (ECG)?

To record the electrical activity of the heart, including its rate and rhythm. Signup and view all the answers

What are some of the symptoms that might prompt a doctor to order an ECG?

A heart attack, coronary heart disease, problems with heart rhythm (arrhythmia), a condition affecting heart function, or taking certain medications. Signup and view all the answers

Heart sounds are created by the flow of blood through the heart chambers and the opening and closing of the valves.