Respiratory System Quiz

What is the main job of the lungs?

• Pumping blood

• Filtering water

• Digesting food

• Gas exchange

What happens during an inhale?

• No air enters the body

• Diaphragm contracts

• Lungs shrink

• Chest muscles relax

What is the function of mucus in the nasal cavity?

• To trap bacteria

• To regulate body temperature

• To absorb oxygen

• To produce sound

What are the four sinuses connected to the nasal cavity called?

• Nasal, oral, laryngeal, pharyngeal

• Frontal, ethmoid, sphenoid, maxillary

• Cranial, temporal, occipital, parietal

• Mandibular, maxillary, zygomatic, palatine

What is the function of the paranasal sinuses?

• To filter out dust

• To amplify sound

• To produce mucus

• To warm and moisten air

What is the purpose of the soft palate and uvula?

• To aid in digestion

• To close off the nasopharynx

• To produce saliva

• To regulate breathing

What is the name of the flap of cartilage that seals the airway during eating?

• Epiglottis

• Trachea

• Alveoli

• Bronchus

What happens if anything other than air enters the larynx?

• It gets absorbed by the body

• It triggers a cough reflex

• It gets converted into oxygen

• It gets stored in the lungs

Which lung has three lobes?

• Neither lung

• Both lungs

• Right lung

• Left lung

What is the function of the bronchioles?

• To exchange gases

• To filter out particles

• To conduct air

• To produce mucus