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Respiratory System Quiz

Total questions: 1

Worksheet time: 10mins

Name
Class
Date
1-15.
1.

What is the function of the human respiratory system?

a)

Regulation of body temperature

b)

Exchange of gases

c)

Digestion of food

d)

Transport of nutrients

2.

What is the byproduct produced in aerobic cellular respiration?

a)

Oxygen

b)

Carbon dioxide

c)

Nitrogen

d)

Hydrogen

3.

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

a)

Detecting odors

b)

Producing saliva

c)

Digesting food

d)

Warming, humidifying, and filtering air

4.

Which structure prevents food from going down the trachea?

a)

Epiglottis

b)

Pharynx

c)

Trachea

d)

Larynx

5.

How many lobes does the right lung have?

a)

Two

b)

Three

c)

Five

d)

Four

6.

What is the function of alveolar sacs in the respiratory system?

a)

Gas exchange

b)

Hormone production

c)

Digestion

d)

Blood circulation

7.

Which body system includes the ribs that protect the lungs?

a)

Skeletal system

b)

Muscular system

c)

Nervous system

d)

Endocrine system

8.

What is the role of intercostal muscles in respiration?

a)

Regulating pH levels

b)

Producing surfactant

c)

Pumping blood to the lungs

d)

Expanding and contracting the thoracic cavity

9.

What regulates the involuntary control of breathing?

a)

Immune system

b)

Endocrine system

c)

Nervous system

d)

Circulatory system

10.

What is the function of surfactant in the alveoli?

a)

Regulating blood pH

b)

Producing ATP

c)

Increasing gas exchange

d)

Lowering surface tension

11.

What is the condition that can result from lack of surfactant in premature babies?

a)

Emphysema

b)

Respiratory distress syndrome (RDS)

c)

Asthma

d)

Bronchitis

12.

What is the pH scale based on?

a)

Oxygen concentration

b)

Nitrogen concentration

c)

Hydrogen ion concentration

d)

Carbon dioxide concentration

13.

What is the role of the circulatory system in the respiratory system?

a)

Transporting oxygen and carbon dioxide

b)

Producing surfactant

c)

Regulating pH levels

d)

Expanding and contracting the thoracic cavity

14.

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

a)

Regulation of blood pH

b)

Production of surfactant

c)

Digestion of food

d)

Passage of air to the lungs

15.

What is the role of the muscular system in respiration?

a)

Transporting oxygen and carbon dioxide

b)

Involvement of muscles in breathing

c)

Regulating pH levels

d)

Producing surfactant