CW1 Exam 1

Question 1

Thirty

Answer 1

Detect 9 sq/min spot, 10 quanta/sq min; detect 3 sq min spot, ______ quanta/sq min

Question 2

Square

Answer 2

Illuminance changes as ____ of change in distance

Question 3

Slow

Answer 3

Antioxidants & supplements ____ progression of AMD

Question 4

Bilateral

Answer 4

Pituitary tumor causes ____ field loss

Question 5

Regeneration

Answer 5

RPE participates in _____ of photopigment

Question 6

S cone

Answer 6

Konio pathway receives ____ input

Question 7

Hypercolumn

Answer 7

Modular unit of V1

Question 8

Product

Answer 8

Retinal illuminance is ______ of luminance and pupil area

Question 9

Motion

Answer 9

Color in Parvo, _____ in magno

Question 10

Rods

Answer 10

On-bipolar cells receive input from cones or ______

Question 11

Difference

Answer 11

Neuron with spatial antagonism responds best to ____ in light

Question 12

Chlorolabe

Answer 12

M cone photopigment

Question 13

Same

Answer 13

Move 3x farther from TV, luminance remains ____.

Question 14

Ten

Answer 14

Each 5% rhodopsin bleached causes ____ times increase in threshold

Question 15

Inhibitory

Answer 15

20% V1 neurons

Question 16

Erythrolabe

Answer 16

L cone photopigment

Question 17

Either

Answer 17

Most V1 neurons respond to ____ eye

Question 18

Fifty

Answer 18

After 1.5 minutes _____% cone photopigment regenerates

Question 19

Closure

Answer 19

Retinal cascade –> ____ Na+ channels

Question 20

RPE

Answer 20

______ phagocytizes rods and cones

Question 21

Color

Answer 21

Midget cells show _____ opponency

Question 22

Contribute

Answer 22

UV blue light may _____ to AMD

Question 23

Decrease

Answer 23

Receptor hyperpolarization leads to ____ in glutamate release

Question 24

Acuity

Answer 24

Damage to layers LGN 3,4,5,6 reduces color and ______

Question 25

alltrans

Answer 25

Light absorption --> 11 CIS retinal -->

Question 26

Break

Answer 26

Dark adaptation curve of rod monochromatic has no ______

Question 27

Optic nerve

Answer 27

Ganglion cell fibers form the....

Question 28

Dorsal

Answer 28

Parvo projects to four ____ LGN layers

Question 29

Amsler grid

Answer 29

____ is 20 deg at 28.5 cm

Question 30

Bipolar

Answer 30

1st retinal cells to show center surround field

Question 31

100

Answer 31

Detect 100ms flash, 1000 quanta/sec; How many quanta at threshold?

Question 32

Cones

Answer 32

Rod monochromat has no ______.

Question 33

Microvilli

Answer 33

RPE surrounds receptors with ____ extensions.

Question 34

Movement

Answer 34

Damage to ventral LGN may reduce detection of _______.

Question 35

Outnumber

Answer 35

Rods ____ the cones

Question 36

40

Answer 36

1.6 ND filter decreases chart luminance ___ times

Question 37

15

Answer 37

100% bleach; time for 87.5% regeneration

Question 38

Twice

Answer 38

Dark adapted; scot lum coefficient of A is 0.8, B is 0.4 ; A is ____ as bright as B

Question 39

Left

Answer 39

___ visual field represented in right occipital lobe

Question 40

Monocular

Answer 40

1st 4C cells to receive LGN input are ______

Question 41

Electrical

Answer 41

RPE maintains high _____ resistance

Question 42

Cyanolobe

Answer 42

S Cone photopigment

Question 43

Outer nuclear

Answer 43

____ layer contains cell bodies of rod, cones

Question 44

Ventral

Answer 44

Parasol ganglions project to ____ LGN layers