VISUAL PATHWAY

Question 1

What are the 3 distinct types of organs
(ERP)

Answer 1

Effectors
Receptors
Physiological Connectors

Question 2

this type of of efferent nerve responds to a muscle

Answer 2

Motor Nerve

Question 3

this type of efferent nerve responds to a gland

Answer 3

Secretory Nerve

Question 4

Differentiate effectors and receptors

Answer 4

Effectors are the responding organs while receptors are the receiving organs

Question 5

considered as a wingman; most in number; and a bridge between brain & receptors and brain & effectors

Answer 5

Physiological Connectors

Question 6

4 Behaviors of Light
(RRDA)

Answer 6

Reflection
Refraction
Dispersion
Absorption

Question 7

Process of Seeing in which: light enters the eye

Answer 7

Physical Process

Question 8

Process of Seeing in which: it constitutes the “real” seeing

Answer 8

Psychological Process

Question 9

Process of Seeing in which: information is transmitted via nerves

Answer 9

Neuromuscular Process

Question 10

Process of Seeing in which: light is being transformed into electrical impulses by the photoreceptors cells

Answer 10

Physiological Process

Question 11

Process of Seeing in which: it involves the optical media

Answer 11

Physical Process

Question 12

Enumerate the Optical Media

Answer 12

Cornea
Aqueous Humor
Crystalline Lens
Vitreous Humor

Question 13

where will the visual pathway begin?

Answer 13

retina

Question 14

layers of the retina: out-in
(RPO OOI IGNI)

Answer 14

Retinal Pigmented Epithelium
Photoreceptor Layer (Rods & Cones)
Outer Limiting Membrane
Outer Nuclear Layer
Outer Plexiform Layer
Inner Nuclear Layer
Inner Plexiform Layer
Ganglion Cell Layer
Nerve Fiber Layer
Inner Limiting Membrane

Question 15

these are the axons of the retinal ganglionic cells

Answer 15

Optic Nerve

Question 16

flattened structure above pituitary fossa

Answer 16

Optic Chiasma

Question 17

contains temporal fibers of the same side & nasal fibers of opposite side

Answer 17

Optic Tracts

Question 18

Optic Nerve:
Nasal fibers - to nasal half of disc as _______ & ________ part radiating fibers

Answer 18

superior & inferior

Question 19

Optic Chiasma:
Visual impulses from the _________ _______ of visual field cross while the ______ ______ remains the same

Answer 19

temporal half; nasal half

Question 20

Optic Nerve:
Macular Fibers - pass straight into the _______ part of the optic disc

Answer 20

temporal

Question 21

From posterolateral angle of chiasma to lateral geniculate body

Answer 21

Optic Tracts

Question 22

Optic Nerve:
Temporal fibers - _______ & ________ as ______

Answer 22

above; below; arcuate

Question 23

Optic Nerve:
Temporal fibers - _______ & ________ as ______

Answer 23

above; below; arcuate

Question 24

“gate” the transmission of signals

Answer 24

Lateral Geniculate Bodies

Question 25

what maintains retinotopic organization

Answer 25

Optic Radiations

Question 26

what are the 3 relay stations

Answer 26

Retina
LGN
Visual Cortex

Question 27

central part of the visual field is represented ________

Answer 27

posteriorly

Question 28

superior visual field is represented ________

Answer 28

ventrally