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UBSON - Respiratory System Quiz

Total questions: 15

Worksheet time: 15mins

Name
Class
Date
1.

What is the main function of the respiratory system?

a)

Digest food

b)

Supply oxygen to the body

c)

Pump blood to the heart

d)

Regulate body temperature

2.

Which structure separates the nasal cavity from the oral cavity?

a)

Trachea

b)

Palate

c)

Pharynx

d)

Epiglottis

3.

What is the function of the paranasal sinuses in a human body?

a)

Moisten air

b)

Heat air

c)

Filter air

d)

Produce mucus

4.

Which part of the respiratory system serves as the site of voice production?

a)

Bronchi

b)

Larynx

c)

Trachea

d)

Alveoli

5.

What is the purpose of the epiglottis?

a)

Exchange gases

b)

Cover laryngeal inlet during swallowing

c)

Produce mucus

d)

Filter air

6.

Where does gas exchange take place in the respiratory system?

a)

Larynx

b)

Trachea

c)

Alveoli

d)

Bronchioles

7.

What is the function of the conducting zone in the respiratory system?

a)

Exchange gases

b)

Supply oxygen to the body

c)

Filter air

d)

Warm air

8.

Which muscle is involved in the process of breathing?

a)

Hamstrings

b)

Biceps

c)

Quadriceps

d)

Diaphragm

9.

What is the purpose of the pulmonary capillaries in the lungs?

a)

Exchange gases with alveoli

b)

Warm air

c)

Produce mucus

d)

Filter air

10.

Which structure in the respiratory system divides them into lobes?

a)

Alveoli

b)

Trachea

c)

Bronchioles

d)

Fissures

11.

What keeps the lungs open in the thoracic cavity?

a)

High oxygen levels

b)

Low carbon dioxide levels

c)

Negative intrapleural pressure

d)

Positive intrapulmonary pressure

12.

What is the role of the vocal folds in a choir?

a)

Harmonize melodies

b)

Conduct the choir

c)

Sing solo parts

d)

Provide background vocals

13.

Where does external respiration occur in the respiratory system?

a)

Larynx

b)

Trachea

c)

Alveoli

d)

Bronchioles

14.

What is the role of the nasal conchae in the nasal cavity?

a)

Warm air

b)

Filter air

c)

Exchange gases

d)

Produce mucus

15.

Which part of the respiratory system connects the nasal cavity with the mouth?

a)

Larynx

b)

Bronchi

c)

Pharynx

d)

Trachea