Respiratory System Quiz

What is the primary function of the respiratory system?

• To digest food

• To circulate blood

• To take oxygen from the air into the body and excrete carbon dioxide

• To produce hormones

Which of the following is NOT a structure of the respiratory tract?

• Nasal cavity

• Larynx

• Stomach

• Bronchi

What is the function of the nasal cavity?

• To digest food

• To moisten, warm, and filter air inhaled

• To pump blood

• To produce sound

How many openings are there into the pharynx?

• 4

• 5

• 6

• 7

What type of respiration involves gaseous exchange between the blood and the tissues?

• External Respiration

• Internal Respiration

• Cellular Respiration

• Photosynthesis

What is the primary function of the epiglottis?

• To produce sound

• To regulate the passage of air and prevent food from entering the trachea

• To increase surface area for gas exchange

• To connect the upper and lower respiratory tracts

Which structure allows the larynx to swing backwards and forwards?

• Vocal cords

• Epiglottis

• Hyoid apparatus

• Alveoli

What is the function of the alveoli?

• To produce sound

• To regulate the passage of air

• To allow gaseous exchange

• To connect the trachea to the bronchi

What is the shape of the tracheal rings?

• Complete circles

• Incomplete C shapes

• Triangles

• Squares

Where do the right and left bronchi branch from?

• The alveoli

• The trachea

• The larynx

• The bronchioles