Question

multiple choice 2 points

axons from all regions of the retina converge on the ________ and exit the eye by way of the optic nerve.

optic disc
fovea centralis
lens
macula lutea
ora serrata

Explanation:

Analyze the question stem

The question asks for the anatomical structure where axons from all regions of the retina converge before exiting the eye as the optic nerve.

Evaluate the options

• optic disc: This is the location on the retina where ganglion cell axons converge to form the optic nerve. It lacks photoreceptors and is also known as the blind spot.
• fovea centralis: A small depression in the center of the macula lutea that contains a high concentration of cones and provides the sharpest vision.
• lens: A transparent, bivalent structure that focuses light onto the retina.
• macula lutea: An oval-shaped pigmented area near the center of the retina associated with high-acuity vision.
• ora serrata: The serrated junction between the retina and the ciliary body.

Determine the correct answer

The optic disc is the correct anatomical site where retinal ganglion cell axons converge and exit the eyeball.

Answer:

• (A) optic disc (Correct answer)
• (B) fovea centralis
• (C) lens
• (D) macula lutea
• (E) ora serrata