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The Respiratory System

Total questions: 14

Worksheet time: 8mins

Name
Class
Date
1.

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

a)

To assist in vocalization

b)

To protect the airway from food and drink

c)

To aid in the digestion of food

d)

To support the structure of the trachea

2.

Which type of cartilage is the epiglottis made of, and what is its unique property?

a)

Hyaline cartilage; reduces friction

b)

Elastic cartilage; retains shape

c)

Fibrocartilage; provides flexibility

d)

Calcified cartilage; provides rigidity

3.

Identify the structure that separates the oral cavity from the nasal cavity.

a)

Tongue

b)

Larynx

c)

Palate

d)

Epiglottis

4.

What is the role of the hyoid bone in the swallowing process?

a)

It vibrates to produce sound

b)

It supports the trachea

c)

It assists in pulling the epiglottis down

d)

It separates the nasal and oral cavities

5.

Which part of the pharynx is in contact with the nasal cavity?

a)

Oropharynx

b)

Laryngopharynx

c)

Nasopharynx

d)

Trachea

6.

What triggers the cough reflex when something goes down the "wrong tube"?

a)

The presence of air in the esophagus

b)

Neurons sensing non-air substances in the respiratory tract

c)

The contraction of the diaphragm

d)

The relaxation of the intercostal muscles

7.

Which structure is commonly referred to as the "voice box"?

a)

Trachea

b)

Larynx

c)

Pharynx

d)

Esophagus

8.

What is the main function of the trachea in the respiratory system?

a)

To produce sound

b)

To transport air to the lungs

c)

To digest food

d)

To filter blood

9.

Why is the right primary bronchus more likely to receive foreign objects than the left?

a)

It is shorter and wider

b)

It is longer and narrower

c)

It has a greater angle due to the heart's position

d)

It is more flexible

10.

What happens to the epiglottis when you are breathing?

a)

It closes the airway

b)

It opens to allow air passage

c)

It vibrates to produce sound

d)

It contracts to aid in swallowing

11.
Given the following structures:
1. larynx
2. nasal cavity
3. pharynx
4. trachea
Which of the following is the correct order that air would flow during inhalation. 
a)
1,2,3,4
b)
2,3,1,4
c)
2,1,3,4
d)
4,2,3,1 
12.

What is the primary function of the nasal cavity in the respiratory system?

a)

To aid in digestion

b)

To produce sound

c)

To protect the trachea

d)

To filter and humidify the air

13.

Which structure prevents food from entering the nasal cavity during swallowing?

a)

Epiglottis

b)

Soft palate

c)

Trachea

d)

Hyoid bone

14.

What is the role of the cilia in the respiratory tract?

a)

To aid in sound production

b)

To support the structure of the lungs

c)

To trap and move particles out of the airways

d)

To produce mucus