Respiratory System Quiz

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

• To exchange gases with the blood

• To produce sound

• To pump air into the lungs

• To filter and humidify the air

Which part of the respiratory system is responsible for directing food and air into the correct pathways?

• Nasal cavity

• Trachea

• Larynx

• Epiglottis

What is the common name for the larynx?

• Windpipe

• Nasal passage

• Throat

• Voice box

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

• To produce mucus

• To carry air to the lungs

• To filter air

• To exchange gases

How many lobes does the right lung have?

• Three

• Four

• One

• Two

What is the role of the diaphragm in breathing?

• To change the volume of the thoracic cavity

• To filter air

• To exchange gases

• To produce sound

What are the small air passages that branch from the bronchi called?

• Trachea

• Alveoli

• Larynx

• Bronchioles

Where does the gas exchange between the respiratory and cardiovascular systems occur?

• In the nasal cavity

• In the alveoli

• In the bronchi

• In the trachea

What is the primary purpose of the alveoli?

• To exchange gases with the blood

• To filter air

• To humidify air

• To produce sound

What type of blood vessels surround the alveoli to facilitate gas exchange?

• Bronchioles

• Capillaries

• Veins

• Arteries