Question 1

Which of the following correctly describes the flow of blood through the heart?

Accepted Answer

Deoxygenated blood enters the right atrium from the body, passes through the tricuspid valve to the right ventricle, and is pumped to the lungs via the pulmonary artery.

Question 2

Which heart valve prevents backflow of blood into the left atrium?

Accepted Answer

Mitral valve

Question 3

What is the primary function of capillaries in the cardiovascular system?

Accepted Answer

To connect arteries and veins and allow diffusion of oxygen, nutrients, and wastes

Question 4

Which combining form means 'heart'?

Accepted Answer

cardi/o

Question 5

During which phase of the cardiac cycle does the heart chamber fill with blood?

Accepted Answer

Diastole

Question 6

Which structure initiates the electrical impulse that causes the heart to contract?

Accepted Answer

Sinoatrial (SA) node

Question 7

A patient is diagnosed with cardiomegaly. What does this term mean?

Accepted Answer

Enlarged heart

Question 8

Which vessel carries oxygenated blood from the lungs to the heart?

Accepted Answer

Pulmonary vein

Question 9

What is the term for the instrument used to measure blood pressure?

Accepted Answer

Sphygmomanometer

Question 10

Which suffix means 'inflammation'?

Accepted Answer

-itis

Question 11

A patient has a blockage in a coronary artery due to atherosclerotic plaque. What is the most likely consequence if the blockage is not treated?

Accepted Answer

Myocardial infarction

Question 12

Which of the following is a characteristic of veins?

Accepted Answer

Thin-walled, valvular, and low pressure

Question 13

What is the medical term for 'involuntary muscle spasm in a vessel'?

Accepted Answer

Angiospasm

Question 14

Which of the following best describes the systemic circulation?

Accepted Answer

Carries blood from the heart to the body and back

Question 15

Which of the following factors can increase blood pressure?

Accepted Answer

Decreased diameter of blood vessels

Question 16

A patient is experiencing chest pain due to reduced blood flow to the heart muscle. Which term best describes this condition?

Accepted Answer

Ischemia

Question 17

Which of the following is the correct sequence for the electrical conduction system of the heart?

Accepted Answer

SA node → AV node → AV bundle → Bundle branches → Purkinje fibers

Question 18

Which term refers to the process of recording a vessel?

Accepted Answer

Angiography

Question 19

A patient is treated with a thrombolytic medication. What is the purpose of this medication?

Accepted Answer

To destroy a blood clot

Question 20

Which prefix means 'inside'?

Accepted Answer

endo-

Cardiovascular System: Medical Terminology and Anatomy Study Guide

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