What is the primary function of the respiratory system?

• To circulate blood

• To exchange gases

• To digest food

• To regulate temperature

Which part of the upper airway is responsible for preventing food from entering the respiratory system?

• Larynx

• Epiglottis

• Nasopharynx

• Oropharynx

What is the significance of the Carina in the respiratory system?

• It is the location of the voice box

• It is the entry point for blood vessels

• It is the site of gas exchange

• It is where the trachea splits into the bronchi

How many lobes does the right lung have?

• One

• Four

• Two

• Three

What is the role of the diaphragm in respiration?

• To transport oxygen

• To filter air

• To contract and expand the thoracic cavity

• To produce sound

What are bronchioles?

• Large airways in the lungs

• Blood vessels in the lungs

• Small branches of the bronchi

• Muscles aiding in respiration

Where does gas exchange primarily occur in the respiratory system?

• Trachea

• Larynx

• Bronchi

• Alveoli

What is the function of surfactant in the alveoli?

• To filter air

• To transport oxygen

• To reduce surface tension

• To produce sound

How does oxygen enter the bloodstream from the alveoli?

• By diffusion across membranes

• Through capillary action

• Through active transport

• Via osmosis

Why is understanding respiratory system anatomy crucial in patient care?

• To improve digestion

• To enhance blood circulation

• To effectively manage airway and ventilation

• To regulate body temperature