Nose Anatomy and Functions Quiz

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Which nerve supplies the external nose?

CNV3 (Trigeminal Nerve, Mandibular Branch)
CNV1 (Trigeminal Nerve, Ophthalmic Branch) (correct)
CNV4 (Trigeminal Nerve, Olfactory Branch)
CNV2 (Trigeminal Nerve, Maxillary Branch)

What is the function of the paranasal sinuses?

Lighten the weight of the skull (correct)
Aid in hearing
Facilitate vision
Assist in taste perception

Where is the olfactory epithelium located?

On the roof of the nasal cavity (correct)
On the floor of the nasal cavity
In the paranasal sinuses
On the lateral walls of the nasal cavity

What is the function of the nasal conchae (turbinates)?

Increase surface area for cleansing, humidification & temperature control of inspired air (B) Signup and view all the answers

What is the function of the paranasal sinuses?

To lighten the weight of the skull (A) Signup and view all the answers

Where is the olfactory epithelium located?

On the roof of the nasal cavity (C) Signup and view all the answers

What is the function of the nasal conchae (turbinates)?

To increase surface area for cleansing, humidification, and temperature control of inspired air (D) Signup and view all the answers

Which nerve supplies the external nose?

CNV1 (Trigeminal Nerve, Ophthalmic Branch) (C) Signup and view all the answers

What is the main function of the nasal cavity?

All of the above (E) Signup and view all the answers

What divides the nasal chamber into two nasal cavities?

Nasal septum (C) Signup and view all the answers

What is the main function of the olfactory nerve(s)?

To pick up molecules of smell (D) Signup and view all the answers

What is the role of the Kiesselbach plexus in the nose?

Vascular supply for nosebleeds (A) Signup and view all the answers

What is the function of the paranasal sinuses in relation to the respiratory part of the nasal cavity?

To increase surface area for cleansing, humidification, and temperature control of inspired air (A) Signup and view all the answers

What nerve supplies the external nose?

The Trigeminal Nerve's Ophthalmic branch (CNV1) provides sensory innervation to the external nose.

What is the function of the paranasal sinuses?

The paranasal sinuses reduce the skull's overall weight.

Where is the olfactory epithelium located?

The olfactory epithelium, responsible for smell detection, is located on the roof of the nasal cavity.

What is the function of the nasal conchae (turbinates)?

The nasal conchae, also known as turbinates, increase the nasal cavity's surface area to enhance air cleansing, humidification, and temperature control.