Quiz about Cardiovascular System Quiz

Question 1

Which of the following is NOT a function of the Cardiovascular (CV) System?

Accepted Answer

Producing blood cells.

Answer

Distributing blood to all areas of the body.

Answer

Delivering needed substances to cells.

Answer

Removing wastes from cells.

Question 2

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

Accepted Answer

To pump blood throughout the body

Answer

To filter blood

Answer

To produce red blood cells

Answer

To absorb nutrients

Question 3

What is the function of the heart in the cardiovascular system?

Accepted Answer

Pumps blood through blood vessels

Answer

Carries blood away from the heart

Answer

Carries blood toward the heart

Answer

Exchange site between blood and tissues

Question 4

What is the primary function of arteries?

Accepted Answer

Carries blood away from the heart

Answer

Pumps blood through blood vessels

Answer

Carries blood toward the heart

Answer

Exchange site between blood and tissues

Question 5

What is the main role of veins in the cardiovascular system?

Accepted Answer

Carries blood toward the heart

Answer

Pumps blood through blood vessels

Answer

Carries blood away from the heart

Answer

Exchange site between blood and tissues

Question 6

What is the function of capillaries?

Accepted Answer

Exchange site between blood and tissues

Answer

Pumps blood through blood vessels

Answer

Carries blood away from the heart

Answer

Carries blood toward the heart

Question 7

What is one of the main functions of the cardiovascular system?

Accepted Answer

It maintains the distribution of blood throughout the body.

Answer

It regulates body temperature.

Answer

It controls muscle contractions.

Answer

It synthesizes hormones.

Question 8

What does the blood deliver to the cells?

Accepted Answer

Oxygen and nutrients.

Answer

Carbon dioxide and waste products.

Answer

Hormones and enzymes.

Answer

Heat and energy.

Question 9

Where does the blood remove waste products from?

Accepted Answer

From the lungs, liver, and kidneys for elimination.

Answer

From the heart and spleen for recycling.

Answer

From the muscles and joints for repair.

Answer

From the brain and spinal cord for processing.

Question 10

What does the systemic circulation do?

Accepted Answer

Carries blood from the heart to the body and from the body to the heart.

Answer

Carries blood from the heart to the lungs and from the lungs to the heart.

Answer

Supplies oxygenated and nutrient-rich blood for the heart muscle.

Answer

Adjusts systemic and pulmonary circulation during fetal development.

Question 11

What is the role of pulmonary circulation?

Accepted Answer

Carries blood from the heart to the lungs and from the lungs to the heart.

Answer

Supplies oxygenated and nutrient-rich blood for the heart muscle.

Answer

Carries blood from the heart to the body and from the body to the heart.

Answer

Adjusts systemic and pulmonary circulation during fetal development.

Question 12

What is the function of the coronary circulation?

Accepted Answer

Supplies oxygenated and nutrient-rich blood for the heart muscle.

Answer

Carries blood from the heart to the lungs and from the lungs to the heart.

Answer

Carries blood from the heart to the body and from the body to the heart.

Answer

Adjusts systemic and pulmonary circulation during fetal development.

Question 13

What happens to the foramen ovale after birth?

Accepted Answer

It becomes the fossa ovalis.

Answer

It becomes the ductus arteriosus.

Answer

It becomes the ligamentum arteriosum.

Answer

It remains unchanged.

Question 14

What does the ductus arteriosus become after birth?

Accepted Answer

The ligamentum arteriosum.

Answer

The foramen ovale.

Answer

The fossa ovalis.

Answer

It remains unchanged.

Question 15

What does the pulmonary circuit in the circulatory system do?

Accepted Answer

Picks up oxygen from the lungs

Answer

Delivers oxygen to the body tissues

Answer

Picks up oxygen from the digestive system

Answer

Delivers carbon dioxide to the lungs

Question 16

Which type of blood is carried by the systemic veins?

Accepted Answer

Oxygen-poor, CO2-rich blood

Answer

Oxygen-rich, CO2-poor blood

Answer

Oxygen-rich, CO2-rich blood

Answer

Oxygen-poor, CO2-poor blood

Question 17

Where does the gas exchange occur in the capillary bed of the lungs?

Accepted Answer

In the capillary bed of all body tissues

Answer

In the pulmonary arteries

Answer

In the systemic arteries

Answer

In the pulmonary veins

Question 18

What is the function of the systemic circuit in the circulatory system?

Accepted Answer

It delivers oxygen to the body tissues.

Answer

It delivers oxygen to the lungs.

Answer

It picks up oxygen from the lungs.

Answer

It picks up carbon dioxide from the body tissues.

Question 19

How many chambers does the heart have?

Accepted Answer

Four

Answer

Two

Answer

Six

Answer

Eight

Question 20

Approximately how many beats does the heart make per day?

Accepted Answer

100,000 beats

Answer

10,000 beats

Answer

50,000 beats

Answer

200,000 beats

Question 21

Where is the heart located?

Accepted Answer

In the mediastinum

Answer

In the abdomen

Answer

In the cranial cavity

Answer

In the pelvic cavity

Question 22

What is the size of the heart compared to?

Accepted Answer

A fist

Answer

A walnut

Answer

A grapefruit

Answer

A football

Question 23

Where is the heart located within the thoracic cavity?

Accepted Answer

Within the mediastinum

Answer

Within the pleural cavity

Answer

Above the diaphragm

Answer

Outside the thoracic cavity

Question 24

What structure is indicated by the label "Apex of heart" in the diagram?

Accepted Answer

The lower pointed end of the heart

Answer

The upper right chamber of the heart

Answer

The blood vessel leaving the heart to the lungs

Answer

The muscle separating the chest from the abdominal cavity

Question 25

Which of the following structures is not part of the heart as shown in the diagram?

Accepted Answer

Left lung

Answer

Aorta

Answer

Pulmonary trunk

Answer

Superior vena cava

Question 26

What is the function of the endocardium layer of the heart?

Accepted Answer

It reduces friction as the blood passes through heart chambers.

Answer

It pumps blood through blood vessels.

Answer

It forms the visceral layer of the pericardial sac.

Answer

It develops the pressure required to pump blood.

Question 27

Which layer of the heart is described as the middle layer and contains thick muscle?

Accepted Answer

Myocardium

Answer

Endocardium

Answer

Epicardium

Answer

Pericardium

Question 28

What is the primary role of the myocardium?

Accepted Answer

It develops the pressure required to pump blood.

Answer

It lines the heart chambers.

Answer

It reduces friction between the layers of the pericardial sac.

Answer

It forms the visceral layer of the pericardial sac.

Question 29

Which layer of the heart is the outer layer and helps in reducing friction as the heart beats?

Accepted Answer

Epicardium

Answer

Endocardium

Answer

Myocardium

Answer

Pericardium

Question 30

Which chamber of the heart receives deoxygenated blood from the body?

Accepted Answer

Right atrium

Answer

Left atrium

Answer

Left ventricle

Answer

Right ventricle

Question 31

Through which valve does blood flow from the right atrium to the right ventricle?

Accepted Answer

Tricuspid valve

Answer

Aortic valve

Answer

Mitral valve

Answer

Pulmonary valve

Question 32

What is the name of the layer that forms the innermost lining of the heart?

Accepted Answer

Endocardium

Answer

Myocardium

Answer

Pericardium

Answer

Epicardium

Question 33

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

Accepted Answer

Pulmonary vein

Answer

Superior vena cava

Answer

Inferior vena cava

Answer

Pulmonary trunk

Question 34

What is the function of the aortic valve?

Accepted Answer

It regulates blood flow from the left ventricle into the aorta.

Answer

It regulates blood flow from the right ventricle to the pulmonary artery.

Answer

It regulates blood flow from the left atrium to the left ventricle.

Answer

It regulates blood flow from the right atrium to the right ventricle.

Question 35

How many chambers does the heart have?

Accepted Answer

4

Answer

2

Answer

6

Answer

8

Question 36

What are the upper chambers of the heart called?

Accepted Answer

Atria

Answer

Ventricles

Answer

Valves

Answer

Arteries

Question 37

What is the function of the atria?

Accepted Answer

They receive blood from the body

Answer

They pump blood to the body

Answer

They oxygenate the blood

Answer

They filter the blood

Question 38

Through which veins does deoxygenated blood enter the right atria?

Accepted Answer

Vena cavae

Answer

Pulmonary veins

Answer

Aorta

Answer

Pulmonary artery

Question 39

What is the role of the ventricles in the heart?

Accepted Answer

They pump blood out of the heart

Answer

They receive blood from the body

Answer

They filter the blood

Answer

They store blood

Question 40

Where does the oxygenated blood exit the left ventricle?

Accepted Answer

Into the aorta

Answer

Into the pulmonary artery

Answer

Into the vena cavae

Answer

Into the pulmonary veins

Question 41

What structure divides the heart into right and left sides?

Accepted Answer

Septum

Answer

Atria

Answer

Ventricles

Answer

Valves

Question 42

What is the function of heart valves?

Accepted Answer

To force blood to flow forward and prevent regurgitation

Answer

To pump blood to the lungs

Answer

To produce blood cells

Answer

To absorb nutrients from digested food

Question 43

How many valves are there in the heart?

Accepted Answer

Four

Answer

Two

Answer

Three

Answer

Five

Question 44

Where is the tricuspid valve located?

Accepted Answer

Between right atrium and right ventricle

Answer

Between left atrium and left ventricle

Answer

Between right atrium and pulmonary trunk

Answer

Between left atrium and ascending aorta

Question 45

Which valve is situated between the right atrium and the pulmonary trunk?

Accepted Answer

Pulmonary

Answer

Tricuspid

Answer

Mitral or bicuspid

Answer

Aortic

Question 46

What is the mitral valve also known as?

Accepted Answer

Bicuspid

Answer

Tricuspid

Answer

Pulmonary

Answer

Aortic

Question 47

Where is the aortic valve located?

Accepted Answer

Between left atrium and ascending aorta

Answer

Between right atrium and right ventricle

Answer

Between right atrium and pulmonary trunk

Answer

Between left atrium and left ventricle

Question 48

What is the alternative name for the mitral valve as shown in the diagram?

Accepted Answer

Left atrioventricular valve

Answer

Left semilunar valve

Answer

Right semilunar valve

Answer

Right atrioventricular valve

Question 49

Which valve is also known as the right semilunar valve according to the diagram?

Accepted Answer

Pulmonary valve

Answer

Aortic valve

Answer

Mitral valve

Answer

Tricuspid valve

Question 50

Identify the valve labeled as the left semilunar valve in the diagram.

Accepted Answer

Aortic valve

Answer

Pulmonary valve

Answer

Mitral valve

Answer

Tricuspid valve

Question 51

What is the alternative name for the tricuspid valve as indicated in the diagram?

Accepted Answer

Right atrioventricular valve

Answer

Left semilunar valve

Answer

Right semilunar valve

Answer

Left atrioventricular valve

Question 52

What happens to the heart chambers during diastole?

Accepted Answer

The chambers relax and fill with blood.

Answer

The chambers contract and push blood forward.

Answer

The chambers remain quiescent.

Answer

The chambers do not change.

Question 53

Which of the following is NOT a phase of the cardiac cycle?

Accepted Answer

Pulmonary phase

Answer

Atrial systole

Answer

Ventricular diastole

Answer

Quiescent period

Question 54

Cardiac Output is the amount of blood ejected by the ventricles per minute. How is it calculated?

Accepted Answer

CO = HR x SV

Answer

CO = HR + SV

Answer

CO = HR / SV

Answer

CO = HR - SV

Question 55

What is the Stroke Volume (SV) if the End Diastolic Volume (EDV) is 130 ml and the End Systolic Volume (ESV) is 60 ml?

Accepted Answer

70 ml

Answer

60 ml

Answer

190 ml

Answer

130 ml

Question 56

What is the function of the right atrium in the heart?

Accepted Answer

To receive blood from the body

Answer

To pump blood to the lungs

Answer

To pump blood to the body

Answer

To receive blood from the lungs

Question 57

Which valve prevents backflow of blood from the right ventricle to the right atrium?

Accepted Answer

Tricuspid valve

Answer

Aortic valve

Answer

Mitral (bicuspid) valve

Answer

Pulmonary valve

Question 58

Where does the blood go after it leaves the left ventricle?

Accepted Answer

To the body via the aorta

Answer

To the lungs via the pulmonary artery

Answer

To the right atrium

Answer

Back into the left atrium

Question 59

What is the role of the pulmonary veins in the circulatory system?

Accepted Answer

They carry oxygenated blood from the lungs to the left atrium

Answer

They carry deoxygenated blood from the body to the right atrium

Answer

They carry deoxygenated blood from the right ventricle to the lungs

Answer

They carry oxygenated blood from the left ventricle to the body

Question 60

Which structure separates the left and right ventricles?

Accepted Answer

Interventricular septum

Answer

Aortic valve

Answer

Mitral valve

Answer

Myocardium

Question 61

What regulates the contraction and relaxation of the heart?

Accepted Answer

The conduction system

Answer

The respiratory system

Answer

The digestive system

Answer

The circulatory system

Question 62

Which system controls the conduction system of the heart?

Accepted Answer

The autonomic nervous system

Answer

The endocrine system

Answer

The skeletal system

Answer

The muscular system

Question 63

What is the function of the special tissue within the heart?

Accepted Answer

It conducts electrical impulses.

Answer

It pumps blood throughout the body.

Answer

It protects the heart from diseases.

Answer

It stores oxygen for the heart cells.

Question 64

What is the role of the tissue that conducts electrical impulses in the heart?

Accepted Answer

It stimulates the heart chambers to contract in the correct order.

Answer

It ensures the heart chambers relax in the correct order.

Answer

It prevents the heart from contracting.

Answer

It seals the heart chambers to prevent blood leakage.

Cardiovascular System Quiz

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