Cardiovascular System Quiz: Test Your Knowledge in Physical Education

Question 1

The primary function of the cardiovascular system is to:

Accepted Answer

Transport oxygen and nutrients throughout the body

Answer

Regulate body temperature

Answer

Remove waste products

Answer

Support the body and provide movement

Question 2

Which type of blood vessel carries oxygenated blood away from the heart?

Accepted Answer

Arteries

Answer

Veins

Answer

Capillaries

Answer

Lymphatics

Question 3

Haemoglobin plays a crucial role in the cardiovascular system by:

Accepted Answer

Carrying oxygen in the blood

Answer

Regulating blood pressure

Answer

Clotting blood

Answer

Fighting infection

Question 4

The sympathetic nervous system's role in the cardiovascular system is to:

Accepted Answer

Prepare the body for physical activity

Answer

Slow down the heart rate

Answer

Relax the blood vessels

Answer

Reduce blood pressure

Question 5

The fundamental difference between aerobic and anaerobic exercise is:

Accepted Answer

Aerobic exercise utilizes oxygen, while anaerobic exercise does not

Answer

Anaerobic exercise utilizes oxygen, while aerobic exercise does not

Answer

Aerobic exercise is more intense than anaerobic exercise

Answer

Anaerobic exercise is more intense than aerobic exercise

Question 6

What is the main purpose of the cardiovascular system?

Accepted Answer

Transporting oxygen and nutrients to the cells

Answer

Regulating temperature

Answer

Fighting infections

Answer

Removing waste from the body

Question 7

Which type of blood vessel carries oxygen-rich blood away from the heart?

Accepted Answer

Artery

Answer

Vein

Answer

Capillary

Answer

Lymphatic vessel

Question 8

What is the average resting heart rate for a healthy young adult?

Accepted Answer

60-70 beats per minute

Answer

50-60 beats per minute

Answer

70-80 beats per minute

Answer

80-90 beats per minute

Question 9

What is the primary function of the heart valves?

Accepted Answer

To ensure blood flows in the correct direction

Answer

To regulate blood pressure

Answer

To provide additional pumping force

Answer

To filter impurities from the blood

Question 10

Which of the following is **NOT** a function of the cardiovascular system?

Accepted Answer

Providing structural support to the body

Answer

Transporting oxygen and nutrients to body tissues

Answer

Removing waste products from the body

Answer

Regulating body temperature

Question 11

The heart rate is controlled by the:

Accepted Answer

Both sympathetic and parasympathetic nervous systems

Answer

Sympathetic nervous system

Answer

Parasympathetic nervous system

Answer

Central nervous system

Question 12

Which of the following blood vessels carries oxygenated blood **away** from the heart?

Accepted Answer

Arteries

Answer

Veins

Answer

Capillaries

Answer

Vasa vasorum

Question 13

The maximum amount of blood that the heart can pump out per minute is called:

Accepted Answer

Cardiac output

Answer

Stroke volume

Answer

Heart rate

Answer

Ejection fraction

Question 14

The ECG (electrocardiogram) is used to measure:

Accepted Answer

Electrical activity of the heart

Answer

Heart rate

Answer

Blood pressure

Answer

Oxygen consumption

Question 15

Which of the following is **NOT** a benefit of regular physical activity for the cardiovascular system?

Accepted Answer

Increased blood clotting

Answer

Reduced risk of heart disease

Answer

Improved blood pressure control

Answer

Lowered cholesterol levels

Question 16

The cardiac cycle refers to:

Accepted Answer

The events that occur from the beginning of one heartbeat to the beginning of the next

Answer

The flow of blood through the heart

Answer

The regulation of blood pressure

Answer

The contraction of the heart muscle

Question 17

Which of the following hormones **increases** heart rate?

Accepted Answer

Adrenaline

Answer

Insulin

Answer

Cortisol

Answer

Thyroxine

Question 18

The volume of blood ejected from the heart per beat is known as:

Accepted Answer

Stroke volume

Answer

Cardiac output

Answer

Ejection fraction

Answer

Preload

Question 19

What is the primary function of the cardiovascular system?

Accepted Answer

To transport nutrients, oxygen, and hormones to cells and remove waste products

Answer

To regulate body temperature

Answer

To protect the body from pathogens

Answer

To regulate blood pH

Question 20

Which component of the cardiovascular system is responsible for pumping blood?

Accepted Answer

Heart

Answer

Arteries

Answer

Veins

Answer

Capillaries

Question 21

What is the term for the force exerted by blood against the walls of blood vessels?

Accepted Answer

Blood pressure

Answer

Cardiac output

Answer

Stroke volume

Answer

Heart rate

Question 22

Which of the following describes the function of capillaries?

Accepted Answer

To facilitate the exchange of nutrients, oxygen, and waste products between the blood and body tissues

Answer

To carry blood from the heart to the body

Answer

To carry blood from the body back to the heart

Answer

To regulate blood pressure

Question 23

Which type of blood vessel has the thickest walls?

Accepted Answer

Arteries

Answer

Veins

Answer

Capillaries

Answer

Lymphatic vessels

Question 24

What is the main purpose of the heart's valves?

Accepted Answer

To prevent backflow of blood

Answer

To regulate heart rate

Answer

To pump blood throughout the body

Answer

To control blood pressure

Question 25

Which of the following is NOT a risk factor for cardiovascular disease?

Accepted Answer

Regular physical activity

Answer

Smoking

Answer

Obesity

Answer

High blood pressure

Question 26

Which of the following measurements is a commonly used indicator of cardiovascular fitness?

Accepted Answer

VO2 max

Answer

Resting heart rate

Answer

Blood pressure

Answer

Body mass index

Question 27

What is the primary function of the cardiovascular system?

Accepted Answer

To deliver oxygen and nutrients to cells and remove waste products

Answer

To regulate body temperature

Answer

To produce red blood cells

Answer

To fight infections

Question 28

How many chambers are there in the human heart?

Accepted Answer

4

Answer

2

Answer

3

Answer

5

Question 29

Which type of blood vessel carries oxygenated blood away from the heart?

Accepted Answer

Arteries

Answer

Veins

Answer

Capillaries

Answer

Lymphatic vessels

Question 30

During exercise, which factor primarily increases the amount of blood pumped by the heart?

Accepted Answer

Increased stroke volume (the amount of blood pumped per beat)

Answer

Increased heart rate

Answer

Reduced peripheral resistance (the resistance to blood flow in the body)

Answer

Increased blood viscosity (thickness)

Question 31

The sinoatrial node (SA node) in the heart is responsible for:

Accepted Answer

Initiating the electrical impulse that triggers the heartbeat

Answer

Amplifying the electrical impulse

Answer

Conducting the electrical impulse to the ventricles (lower chambers of the heart)

Answer

Regulating heart rate

Question 32

Which hormone is known to increase heart rate?

Accepted Answer

Epinephrine

Answer

Insulin

Answer

Thyroxine

Answer

Progesterone

Question 33

Which measurement is used to determine the body's efficiency in using oxygen during exercise?

Accepted Answer

VO2 max

Answer

Cardiac output

Answer

Stroke volume

Answer

Heart rate

Question 34

Which of the components below is NOT part of the cardiovascular system?

Accepted Answer

Lymphatic system

Answer

Heart

Answer

Blood vessels

Answer

Blood

Question 35

What is the function of the heart's atrioventricular valves in the heart?

Accepted Answer

Prevent the backflow of blood from the ventricles into the atria

Answer

Control the release of blood from the atria into the ventricles

Answer

Pump blood through the arteries

Answer

Regulate blood pressure

Question 36

Which blood vessel carries oxygen-depleted blood away from the heart?

Accepted Answer

Vein

Answer

Artery

Answer

Capillary

Answer

Ventricle

Question 37

What is the function of the sinoatrial (SA) node in the heart?

Accepted Answer

Initiates and regulates heart contractions

Answer

Controls the opening and closing of the heart's valves

Answer

Pumps blood through the arteries

Answer

Stores oxygen-rich blood

Question 38

What is the term used to describe the amount of blood pumped out by the heart per minute?

Accepted Answer

Cardiac output

Answer

Stroke volume

Answer

Ejection fraction

Answer

Heart rate

Question 39

Which of the factors below is NOT a risk factor for cardiovascular disease?

Accepted Answer

Physical activity

Answer

High blood pressure

Answer

Obesity

Answer

Smoking

Question 40

Which of the following is NOT a function of the cardiovascular system?

Accepted Answer

Producing red blood cells

Answer

Transporting oxygen and nutrients to bodily tissues

Answer

Removing waste products from tissues

Answer

Regulating body temperature

Question 41

What is cardiac reserve and why is it important for exercise performance?

Accepted Answer

The difference between maximum and resting heart rate during exercise

Answer

The same as stroke volume

Answer

Only relevant to competitive athletes

Answer

Has no impact on sustaining exercise over time

Question 42

Identify the function NOT performed by the cardiovascular system:

Accepted Answer

Providing structural support

Answer

Delivering nutrients and oxygen

Answer

Transporting waste products

Answer

Regulating body temperature

Question 43

Which type of blood vessel carries blood away from the heart?

Accepted Answer

Artery

Answer

Capillary

Answer

Arteriole

Answer

Vein

Question 44

What term describes the exchange of substances between blood and body tissues?

Accepted Answer

Diffusion

Answer

Osmosis

Answer

Filtration

Answer

Active transport

Question 45

Which hormone is responsible for increasing heart rate?

Accepted Answer

Adrenaline

Answer

Insulin

Answer

Testosterone

Answer

Growth hormone

Question 46

What is the typical resting heart rate range for a healthy adult?

Accepted Answer

60-100 bpm

Answer

80-120 bpm

Answer

40-60 bpm

Answer

100-140 bpm

Question 47

Which of the following factors increases the risk of developing cardiovascular disease?

Accepted Answer

Smoking

Answer

Adequate sleep

Answer

Healthy diet

Answer

Regular exercise

Question 48

What is the fundamental purpose of the cardiac cycle?

Accepted Answer

Pumping blood throughout the body

Answer

Regulating blood pressure

Answer

Generating ATP

Answer

Controlling body temperature

Question 49

Identify the largest artery in the human body:

Accepted Answer

Aorta

Answer

Carotid artery

Answer

Femoral artery

Question 50

Describe the role of the sinoatrial node (SA node) in the heart:

Accepted Answer

Initiating electrical impulses for heart contractions

Answer

Conducting electrical impulses to the ventricles

Answer

Controlling heart rate and rhythm

Question 51

Which of the following blood vessels possesses the thickest walls?

Accepted Answer

Arteries

Answer

Veins

Answer

Capillaries

Answer

Venules