Respiratory System Quiz

What is the primary function of the respiratory system?

• To produce energy

• To bring oxygen into the body and expel carbon dioxide

• To circulate blood

• To digest food

Tags

NGSS.HS-LS1-7

What is the role of the paranasal sinuses?

• To produce sound

• To warm, moisten, and filter air

• To exchange gases

• To sense smell

Which part of the pharynx is superior to the soft palate?

• Nasopharynx

• Oropharynx

• Laryngopharynx

• Trachea

What is the primary function of the true vocal cords?

• Produce vocal sounds

• Filter air

• Absorb nutrients

• Produce digestive enzymes

How many lobes does the left lung have?

• 2 lobes

• 3 lobes

• 4 lobes

• 5 lobes

Which muscles contract to raise the ribs during inspiration?

• Internal intercostal muscles

• External intercostal muscles

• Abdominal muscles

• Diaphragm muscles

What is the role of phrenic nerves in respiration?

• To relax the diaphragm

• To contract the diaphragm

• To expand the thoracic cavity

• To decrease intra-alveolar pressure

What happens to the elastic tissues of the lungs during inspiration?

• They expand and remain stretched.

• They recoil and surface tension pulls in on alveolar walls.

• They contract and push air out.

• They remain unchanged.

What is the purpose of spirometry in medical practice?

• To measure blood sugar levels

• To judge progression of respiratory illnesses

• To assess mental health

• To evaluate digestive health

What is the function of nonrespiratory movements like coughing and sneezing?

• To increase lung capacity

• To clear the air passages

• To decrease heart rate

• To improve digestion