Nasal Cavity Function and Structure Quiz

What is the primary function of the nasal cavity?

• To produce sound

• To digest food

• To warm, moisten, and filter the air

• To circulate blood

Where are the olfactory receptors located?

• In the lungs

• In the upper nasal cavity

• In the throat

• In the ears

What is the function of the olfactory bulb?

• To produce mucus

• To receive signals from the olfactory receptors and send them to the brain

• To filter air

• To digest food

Through which part of the body does air enter the nasal cavity?

• The mouth

• The ears

• The nostrils

• The eyes

What happens to odor molecules in the air when they enter the nose?

• They dissolve in the mucus layer.

• They evaporate immediately.

• They turn into liquid.

• They become solid.

What do odor molecules bind to in the nose?

• Olfactory receptors

• Taste buds

• Nerve endings

• Blood vessels

What is triggered when odor molecules bind to olfactory receptors?

• A nerve impulse

• A muscle contraction

• A heartbeat

• A sneeze

Where does the nerve impulse travel after being triggered by odor molecules?

• Along the olfactory nerve

• To the spinal cord

• To the heart

• To the lungs

Where does the nerve impulse reach after traveling along the olfactory nerve?

• The olfactory bulb

• The spinal cord

• The heart

• The lungs

What is the limbic system responsible for?

• Memory and emotions

• Digestion and absorption

• Respiration and circulation

• Movement and coordination