Cardiovascular SYSTEM

Question 1

What is stroke volume?

Answer 1

The amount of blood pumped by the heart with each beat.

Question 2

What is a cardiac cycle? How long is a cardiac cycle?

Answer 2

1 heart beat, 0.8 seconds

Question 3

What is the primary function of the cardiovascular system?

Answer 3

To transport blood, nutrients, oxygen, carbon dioxide, and hormones throughout the body.

Question 4

True or False: The heart is a muscular organ that pumps blood through the circulatory system.

Answer 4

True

Question 5

Fill in the blank: The two main circuits of the cardiovascular system are the _____ circuit and the _____ circuit.

Answer 5

pulmonary; systemic

Question 6

What are the three main types of blood vessels?

Answer 6

Arteries, veins, and capillaries.

Question 7

What is the largest artery in the human body?

Answer 7

The aorta.

Question 8

Multiple choice: Which chamber of the heart receives oxygenated blood from the lungs? A) Right atrium B) Left atrium C) Right ventricle D) Left ventricle

Answer 8

B) Left atrium

Question 9

What is the role of red blood cells?

Answer 9

To carry oxygen from the lungs to the body’s tissues and return carbon dioxide to the lungs.

Question 10

True or False: Veins carry blood away from the heart.

Answer 10

False

Question 11

What is the term for the contraction phase of the heart cycle?

Answer 11

Systole.

Question 12

Fill in the blank: The _____ node is known as the heart’s natural pacemaker.

Answer 12

sinoatrial (SA)

Question 13

What is hypertension?

Answer 13

A condition characterized by consistently high blood pressure.

Question 14

Multiple choice: Which type of blood vessel is primarily responsible for nutrient and gas exchange? A) Arteries B) Veins C) Capillaries D) Arterioles

Answer 14

C) Capillaries

Question 15

What is the function of the valves in the heart?

Answer 15

To prevent the backflow of blood and ensure unidirectional flow.

Question 16

True or False: The left ventricle pumps blood to the lungs.

Answer 16

False

Question 17

What is the average resting heart rate for adults?

Answer 17

60 to 100 beats per minute.

Question 18

Fill in the blank: The _____ artery supplies blood to the brain.

Answer 18

carotid

Question 19

What is atherosclerosis?

Answer 19

A condition in which fatty deposits build up on artery walls, leading to reduced blood flow.

Question 20

Multiple choice: Which of the following is a risk factor for cardiovascular disease? A) Regular exercise B) Smoking C) Healthy diet D) Moderate alcohol consumption

Answer 20

B) Smoking

Question 21

What is the primary component of blood responsible for clotting?

Answer 21

Platelets.

Question 22

True or False: Plasma is the liquid component of blood.

Answer 22

True

Question 23

What role do capillaries play in the cardiovascular system?

Answer 23

They connect arteries and veins and facilitate the exchange of oxygen, carbon dioxide, and nutrients.

Question 24

Fill in the blank: The _____ system works closely with the cardiovascular system to transport hormones.

Answer 24

endocrine

Question 25

What is coronary artery disease?

Answer 25

A condition caused by the narrowing or blockage of the coronary arteries, leading to reduced blood flow to the heart.

Question 26

Multiple choice: Which of the following best describes stroke volume? A) The amount of blood pumped by the heart in one beat B) The total volume of blood in the body C) The amount of blood pumped by the heart in one minute D) The pressure of blood in the arteries

Answer 26

A) The amount of blood pumped by the heart in one beat

Question 27

What is the primary purpose of the pulmonary circuit?

Answer 27

To carry deoxygenated blood from the heart to the lungs for oxygenation.

Question 28

True or False: The cardiovascular system is responsible for thermoregulation.

Answer 28

True

Question 29

What is angioplasty?

Answer 29

A medical procedure used to open blocked or narrowed blood vessels.

Question 30

What is the primary purpose of angioplasty?

Answer 30

To restore blood flow to the heart or other parts of the body.

Question 31

True or False: Angioplasty can only be performed on coronary arteries.

Answer 31

False ## Footnote Angioplasty can be performed on various blood vessels, not just coronary arteries.

Question 32

Fill in the blank: Angioplasty often involves the use of a _______ to widen the artery.

Answer 32

[balloon]

Question 33

What is a stent?

Answer 33

A small mesh tube placed in the artery to keep it open after angioplasty.

Question 34

List the main types of angioplasty.

Answer 34

* Balloon angioplasty * Drug-eluting stent angioplasty * Bare-metal stent angioplasty

Question 35

What is the role of a drug-eluting stent?

Answer 35

To release medication that helps prevent the artery from narrowing again.

Question 36

What are common indications for angioplasty?

Answer 36

* Chest pain (angina) * Heart attack * Peripheral artery disease

Question 37

True or False: Angioplasty is a surgical procedure.

Answer 37

False ## Footnote Angioplasty is a minimally invasive procedure.

Question 38

What are potential risks associated with angioplasty?

Answer 38

* Bleeding * Infection * Blood clots * Re-narrowing of the artery

Question 39

Fill in the blank: The recovery time after angioplasty is generally _______.

Answer 39

[short]

Question 40

What imaging technique is commonly used during angioplasty?

Answer 40

Fluoroscopy.

Question 41

What is the significance of pre-procedure angiography?

Answer 41

To visualize the blockage and plan the angioplasty procedure.

Question 42

What lifestyle changes may be recommended after angioplasty?

Answer 42

* Quitting smoking * Eating a heart-healthy diet * Regular exercise