Question 1

What are alveoli and what is their function?

Accepted Answer

Alveoli are tiny air sacs in the lungs where gas exchange occurs.

Answer

Alveoli are blood vessels that carry oxygen.

Answer

Alveoli are muscles that help you breathe.

Answer

Alveoli are large structures that store air.

Question 2

Which of the following best describes the role of the diaphragm in respiration?

Accepted Answer

It contracts to help pull air into the lungs.

Answer

It filters dust from the air.

Answer

It produces mucus to trap particles.

Answer

It prevents air from escaping.

Question 3

Which part of the respiratory system is known as the voice box?

Accepted Answer

Larynx

Answer

Bronchi

Answer

Pharynx

Answer

Trachea

Question 4

What is the main function of the bronchi?

Accepted Answer

To carry air from the trachea to the lungs

Answer

To exchange gases

Answer

To filter and humidify the air

Answer

To produce sound

Question 5

Which structure is the main airway that leads to the lungs?

Accepted Answer

Trachea

Answer

Pharynx

Answer

Bronchioles

Answer

Alveoli

Question 6

What is the function of the epiglottis in the human body?

Accepted Answer

To prevent food from entering the trachea

Answer

To transport air to the lungs

Answer

To cool the body

Answer

To produce sound

Question 7

What is the correct order of air passage in the human respiratory system?

Accepted Answer

Nose → Pharynx → Larynx → Trachea → Lungs

Answer

Larynx → Trachea → Pharynx → Nose → Lungs

Answer

Nose → Lungs → Pharynx → Trachea → Larynx

Answer

Trachea → Larynx → Nose → Pharynx → Lungs

Question 8

What are the three structures in the lungs that air passes through?

Accepted Answer

Trachea, bronchi, alveoli

Answer

Esophagus, diaphragm, stomach

Answer

Aorta, capillaries, veins

Answer

Larynx, pharynx, pleura

Question 9

What is the maximum normal respiratory rate? Meaning, if someone breathes faster, it's considered abnormal or tachypnea.

Accepted Answer

20 breaths per minute

Answer

10 breaths per minute

Answer

24 breaths per minute

Answer

30 breaths per minute

Question 10

What condition leads to inflamed airways?

Accepted Answer

Asthma

Answer

Emphysema

Answer

Pneumonia

Answer

Lung cancer

Question 11

What is sleep apnea?

Accepted Answer

A sleep disorder where breathing repeatedly stops and starts

Answer

A dream disorder

Answer

A condition that causes loud snoring

Answer

A type of insomnia

Question 12

What is pneumonia caused by?

Accepted Answer

bacteria or viruses

Answer

poor diet

Answer

allergies

Answer

fungi

Question 13

What is the function of plasma in the blood?

Accepted Answer

Transporting nutrients, waste, and hormones

Answer

Forming clots

Answer

Carrying oxygen

Answer

Fighting infections

Question 14

What does hemoglobin do in red blood cells?

Accepted Answer

It binds to oxygen and carries it to the body's tissues

Answer

It prevents blood clotting

Answer

It helps fight infections

Answer

It gives blood its yellow color

Question 15

The watery liquid in the blood that carries other substances is called&#58;

Accepted Answer

plasma

Question 16

Where do red blood cells (RBCs) and platelets form?

Accepted Answer

bone marrow

Answer

kidneys

Answer

liver

Answer

spleen

Question 17

What is coagulation?

Accepted Answer

clotting

Answer

the production of red blood cells

Answer

the absorption of nutrients

Answer

the process by which cells engulf and digest particles

Question 18

Why is it important to match blood types before a transfusion?

Accepted Answer

To prevent an immune reaction&#44; clotting and organ failure

Answer

To ensure faster healing through white blood cell action

Answer

To keep the blood cold so that it doesn't become dehydrated

Answer

To increase blood pressure so that tissues can receive oxygen

Question 19

What do anemia, leukemia, sickle cell disease, and hemophilia have in common?

Accepted Answer

They are all blood disorders.

Answer

They are all types of infections.

Answer

They are all types of cancer.

Answer

They are all skin conditions.

Question 20

What is the purpose of valves in the heart?

Accepted Answer

To prevent the backflow of blood

Answer

To supply nutrients to the heart muscle

Answer

To deliver oxygen to the tissues

Answer

To increase blood pressure

Question 21

What is the largest artery in the human body?

Accepted Answer

Aorta

Answer

Carotid artery

Answer

Femoral artery

Answer

Pulmonary artery

Question 22

What is the pathway of blood flow through the heart?

Accepted Answer

Right atrium → Right ventricle → Lungs → Left atrium → Left ventricle → Body

Answer

Left atrium → Right atrium → Lungs → Right ventricle → Left ventricle → Body

Answer

Left ventricle → Body → Right atrium → Lungs → Right ventricle

Answer

Right ventricle → Left atrium → Body → Lungs → Right atrium

Question 23

What condition can result from the thickening and narrowing of arteries due to plaque buildup?

Accepted Answer

Atherosclerosis

Answer

Sleep Apnea

Answer

Arthritis

Answer

Asthma

Question 24

What can occur if blood flow to the heart is blocked for too long?

Accepted Answer

Myocardial infarction (heart attack)

Answer

Heartburn

Answer

High cholesterol

Answer

Stroke

Question 25

What is a common risk factor for both atherosclerosis and coronary artery thrombosis?

Accepted Answer

High cholesterol

Answer

Low sodium diet

Answer

Adequate hydration

Answer

Regular exercise

Question 26

Link the chambers of the heart to the number (picture)

Question 27

Link the major blood vessels to the number (picture)

Question 28

Match the blood disorder to what it does

Question 29

Match the blood vessel to the function

Question 30

Match the blood part with its function, abbreviation and medical name. (3 each)

Question 31

A thrombosis is a blood clot

Accepted Answer

true

Answer

false

Question 32

The artery in your neck that supplies blood flow to your brain is called the radial artery.

Accepted Answer

false

Answer

true

Question 33

The left side of the heart is known as pulmonary circulation, because it provides deoxygenated blood to the lungs.

Accepted Answer

false

Answer

true

Question 34

Match the parts of the lung with the number:

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