Eye Physiology Quiz Flashcards
1
Q
bending of light
A
light refraction
2
Q
area of sharpest vision
A
fovea centralis
3
Q
long/thin projections, black and white vision, sensitive, less precise images
A
rods
4
Q
short/blunt projections, color vision, less sensitive, sharp images
A
cones
5
Q
absorbs light waves
A
pigmented epithelium
6
Q
opsin and retinal
A
colorless protein
7
Q
activates an enzyme that initiates a series of reactions
A
decomposition of rhodopsin molecules
8
Q
all the rhodopsin in the rods of the retina decompose, which reduces the rods sensitivity
A
bright light
9
Q
regeneration of rhodopsin from opsin and retinal is faster than the break down
A
dim light
10
Q
bring nerve impulses from retina to visual cortex
A
visual nerve pathways
11
Q
begin as axons in the retinal neurons leave the eyes to form optic nerves
A
pathways
