Vision

Question 1

What is the pathway which light travels through the eye?

Answer 1

Conjunctiva -> Cornea -> Lens -> Iris -> Posterior cavity -> Fovea -> Optic disk -> Optic nerve

Question 2

Identify which are the cones and rods.

What is the purpose of each?

Answer 2

Rods respond to any amount of photons and changes how much light the obsorbs. More active when there is less light.

Cones are less sensitive compared to rods and distinguish color.

Question 3

What are the components of the outer ear?

Answer 3

Auricle

External Auditory Tube

Elastic Cartilage

Question 4

What are the components of the middle ear?

Answer 4

Tympanic Membrane

Typanic Cavity

Auditory Ossicles

Oval Window

Question 5

What are the components of the inner ear?

Answer 5

Semicircular Canals

Round Window

Vestibule

Cochlea

Vestibulochoclear nerve

Auditory Tube

Question 6

What is this and what does it do?

Answer 6

Name: Sterocilia (small hairs)

Located in the inner ear within the Maculae in the Vestibule. When the hairs are displaced, the sensory nerves distinguish which way your head is oriented.

Question 7

What are the components of the Utricle and the Saccule?