Question 1

Which of the following is NOT a primary function of the circulatory system?

Accepted Answer

Producing digestive enzymes

Question 2

The heart is divided into how many chambers, and what are their names?

Accepted Answer

Four chambers: left atrium, right atrium, left ventricle, right ventricle

Question 3

Which blood vessel carries oxygen-poor blood from the heart to the lungs?

Accepted Answer

Pulmonary artery

Question 4

What is the main function of the tricuspid valve in the heart?

Accepted Answer

To prevent blood from flowing back into the right atrium

Question 5

Which of the following best describes the role of capillaries in the circulatory system?

Accepted Answer

They deliver low-oxygen blood to veins and facilitate exchange of gases and nutrients

Question 6

A patient has a blood type AB. Which blood types can they safely receive during a transfusion?

Accepted Answer

Type AB and Type O

Question 7

Which organ acts as a 'cemetery' for red blood cells, breaking them down after their lifespan ends?

Accepted Answer

Spleen

Question 8

What instrument is used to measure blood pressure?

Accepted Answer

Sphygmomanometer

Question 9

Which of the following equations correctly represents the calculation of blood pressure?

Accepted Answer

$$BP = CO 	imes TPR$$

Question 10

A person with high LDL and low HDL cholesterol is at increased risk for which condition?

Accepted Answer

Atherosclerosis

Question 11

Which of the following is a correct prevention strategy for arteriosclerosis?

Accepted Answer

Reduce stress and consume a low-fat diet

Question 12

A patient is diagnosed with anemia. Which of the following is the most likely cause?

Accepted Answer

Lack of red blood cells or cells that do not carry enough oxygen

Question 13

Which of the following statements about sickle cell anemia is TRUE?

Accepted Answer

It is a genetic disorder that affects the shape of red blood cells

Question 14

Which of the following best describes the function of platelets?

Accepted Answer

Help blood to clot and prevent excess bleeding

Question 15

A stroke occurs when:

Accepted Answer

A cluster of blood cells blocks blood vessels in the brain

Question 16

Which of the following is a correct treatment for hemophilia?

Accepted Answer

Transfusions of blood clotting factors

Question 17

Which of the following is a function of white blood cells?

Accepted Answer

Fighting disease and infection by destroying bacteria and germs

Question 18

Which of the following best describes the difference between arteries and veins?

Accepted Answer

Arteries carry blood away from the heart; veins carry blood toward the heart

Question 19

A patient with kidney failure is unable to:

Accepted Answer

Filter fluid and waste products from the blood

Question 20

Which of the following is a correct statement about the RH factor in blood?

Accepted Answer

It refers to the presence (+) or absence (-) of a specific antigen on red blood cells

Study Guide: The Circulatory System for Personal Health

Study Guide - Practice Questions