Respiratory System NCHSE

What is the primary function of mucus and cilia in the nostrils?

• Filtration

• Respiration

• Sound production

• Temperature control

What structure is a passageway for both food and air?

• Bronchus

• Larynx

• Pharynx

• Trachea

Where are the sinuses located?

• In the front lobe of the brain

• In the skull surrounding the nasal cavity

• Inside the nares

• Under the cheek bones in the subcutaneous tissue

If your epiglottis were to suddenly stop working, what activity could be life threatening?

• Breathing

• Coughing

• Eating

• Walking

The nostrils, larynx and trachea are all made primarily of:

• bone

• cartilage

• muscle

• tendons

What structure connects the larynx to the bronchi?

• Bronchioles

• Oropharynx

• Pleura

• Trachea

Where in the respiratory tract does the exchange of oxygen and carbon dioxide take place?

• Alveoli

• Bronchi

• Larynx

• Trachea

Your lungs are divided into lobes. How many lobes do you have?

• Two

• Three

• Four

• Five

9. What does the pleura allow the lungs to do?

• expand during breathing

• trap dust and other particles

• Keep the alveoli distended

• Cough

In the process of breathing, during what stage does the movement of the diaphragm enlarge the thoracic cavity?

• external respiration

• internal respiration

• expiration

• inspiration