Med Sci 1Respiratory System Quiz

What is the primary function of the respiratory system?

• To digest food

• To circulate blood

• To take in oxygen and remove carbon dioxide

• To control body temperature

How long can the body typically sustain without a supply of oxygen before risking death?

• 1-2 minutes

• 4-6 minutes

• 10-12 minutes

• 15-20 minutes

Which part of the respiratory system is directly responsible for the exchange of gases between the lungs and the bloodstream?

• Trachea

• Bronchi

• Alveoli

• Larynx

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

• To filter air

• To produce vocal sounds

• To aid in the exchange of gases

• To help in the inhalation and exhalation of air

Where does the air enter the respiratory system?

• Larynx

• Nasal cavity

• Bronchus

• Alveoli

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

• To filter out dust and particles from the air

• To produce sound

• To prevent food from entering the trachea

• To exchange gases in the lungs

Which structure directly follows the nasal cavity in the respiratory pathway?

• Laryngopharynx

• Nasopharynx

• Trachea

• Esophagus

Where are the vocal cords located?

• Laryngopharynx

• Trachea

• Nasopharynx

• Larynx

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

• To produce mucus

• To transport air to and from the lungs

• To absorb nutrients

• To filter blood

What is the function of the nasal septum in the respiratory system?

• It detects smell

• It drains tears into the nose

• It divides the nose into two hollow spaces

• It filters inhaled air