The optic disk is the location on the retina A) where the ...

[anjilletteb]

The optic disk is the location on the retina
 
  A) where the cones are most densely packed.
  B) where the rods are most densely packed.
  C) that has the best visual acuity.
  D) where axons leave the eye and join the optic nerve.
  E) at which neural signals begin to diverge laterally.

Question 2

Collectively, the rods and cones are known as
 
  A) photoreceptors.
  B) optotectors.
  C) the fovea.
  D) ganglion cells.
  E) vitreous humor.

[manuelcastillo]

Answer to Question 1

Answer: D

Answer to Question 2

Answer: A

[anjilletteb]

Gracias!

[amcvicar]

TYSM