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Respiratory System Quiz

Total questions: 18

Worksheet time: 16mins

Name
Class
Date
1.

Which of the following is a primary function of the respiratory system?

a)

Produces red blood cells

b)

Brings oxygen into the body

c)

Regulates body temperature

d)

Synthesizes proteins

2.

What waste product does the respiratory system REMOVE from the body?

a)

Nitrogen

b)

Carbon dioxide

c)

Oxygen

d)

Glucose

3.

Which muscles are involved in the mechanical process of breathing?

a)

Biceps and triceps

b)

Diaphragm and intercostal muscles

c)

Quadriceps and hamstrings

d)

Abdominal and pectoral muscles

4.

What happens to the diaphragm when we inhale?

a)

It relaxes and moves up

b)

It contracts and moves down

c)

It expands and moves sideways

d)

It remains stationary

5.

What happens to the lungs when air is pulled in during inhalation?

a)

They deflate

b)

They inflate

c)

They collapse

d)

They remain unchanged

6.

Which of the following is part of the upper respiratory tract?

a)

Trachea

b)

Bronchi

c)

Larynx

d)

Alveoli

7.

Which structure is NOT part of the lower respiratory tract?

a)

Lungs

b)

Nasopharynx

c)

Bronchioles

d)

Alveoli

8.

Which of the following is a component of the lower respiratory tract?

a)

Mouth

b)

Oropharynx

c)

Bronchi

d)

Nasopharynx

9.

Which part of the respiratory system is involved in air conduction and mucus production?

a)

Bronchi

b)

Alveoli

c)

Trachea

d)

Bronchioles

10.

What is the primary function of alveoli?

a)

To pump blood

b)

To filter air

c)

Site of gas exchange (oxygen and carbon dioxide)

d)

To produce mucus

11.

What is the normal range for blood pH?

a)

7.35-7.45

b)

6.35-6.45

c)

8.35-8.45

d)

5.35-5.45

12.

What is the primary cause of asthma?

a)

Bacterial infection

b)

Airway inflammation

c)

Blood clot in the pulmonary capillaries

d)

Viral respiratory disease

13.

Which condition involves inflammation of the bronchi?

a)

Asthma

b)

Bronchitis

c)

Pneumonia

d)

Tuberculosis

14.

Select the largest muscle involved in the process of breathing.

15.

Select the Nasopharynx

16.

Organize these options into the right categories

Categorize the following

Nose

Mouth

Nasopharyx

Oropharynx

Pharynx

Larynx

Trachea

Bronchi

Bronchioles

Alveoli

Upper Respiratory Tract
Lower Respiratory Tract
17.

What is the function of the epiglottis?

a)

Prevent inhalation (breathing in) of food

b)

Move the vocal cords

c)

Contract to expand the lungs

d)

Gas exchange

18.

Why would health care professionals need to wear face masks or respirators when treating a patient who has tuberculosis (TB)?

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