Week 14 (EXAM 3)

Question 1

What are the eye muscles and their movements as well as innervation?

Answer 1

Question 2

What are the movements of the cranial nerves responsible for moving the eye?

Answer 2

Question 3

Explain MLF and its function

Answer 3

Question 4

Explain the pupillary light reflex

Answer 4

Question 5

Explain the near triad

Answer 5

Question 6

What are the afferent and efferent neurons for the pupillary, accommodation, and corneal reflexes?

Answer 6

Question 7

Control of eye reflexes: Explain the parasympathetic affects, smooth muscle, and action

Answer 7

Question 8

Control of eye reflexes: Explain the sympathetic affects, smooth muscle, and action

Answer 8

Question 9

Label

Answer 9

Question 10

What are the three layers of tissue in the human eye?

Answer 10

Question 11

Explain the structure of the retina

Answer 11

Question 12

Explain phototransduction

Answer 12

Question 13

label

Answer 13

Question 14

Explain the primary visual cortex

Answer 14

Question 15

explain higher order of visual processing

Answer 15

Question 16

Explain visual field vs retina field

Answer 16

Question 17

Label

Answer 17

Question 18

Explain the function of the lateral geniculate nucleus, optic radiation, and primary visual cortex

Answer 18

Question 19

Label and explain pathway

Answer 19

Question 20

What is the difference between peripheral and central visual processing?

Answer 20

Question 21

Label

Answer 21

Question 22

What are the objectives of eye movements? Functional categories?

Answer 22

Question 23

Explain saccades

Answer 23

Question 24

Explain smooth pursuit and vergence movements

Answer 24

Question 25

Explain VOR

Answer 25

Question 26

Movement of the face is tilting down: (VOR) what is the canal stimulated, 1st synapse, 2nd synapse, muscles activated, and movement of the eyes?

Answer 26

Question 27

Movement of the face is turning left or right: (VOR) what is the canal stimulated, 1st synapse, 2nd synapse, muscles activated, and movement of the eyes?

Answer 27

Question 28

Movement of the face is tilting up: (VOR) what is the canal stimulated, 1st synapse, 2nd synapse, muscles activated, and movement of the eyes?

Answer 28

Question 29

What is the VOR elicited by?

Answer 29

Question 30

Explain the optokinetic reflex

Answer 30

Question 31

What structures are responsible for refining and coordinating eye movements?

Answer 31

Question 32

What are the gaze centers in the reticular formation?

Answer 32

Question 33

Label

Answer 33

Question 34

If the function is initiating and accurately shifting eyes toward targets, what is happening in the frontal eye field, parieto-occipito-temporal cortex, and superior colliculus?

Answer 34

Question 35

What is the basal ganglia and cerebellum responsible for controlling in terms of eye movements?

Answer 35

Question 36

Label

Answer 36

Question 37

Label the circuits and state their function (colored boxes at the end)

Answer 37

Question 38

What is the purpose, type of movement, and origin of command for the vestibulo-ocular during rapid head movements?

Answer 38

Question 39

What is the purpose, type of movement, and origin of command for the optokinetic during rapid head movements?

Answer 39

Question 40

What is the purpose, type of movement, and origin of command for smooth pursuit during rapid head movements?

Answer 40

Question 41

What is the purpose, type of movement, and origin of command for saccadic during rapid head movements?

Answer 41

Question 42

What is the purpose, type of movement, and origin of command for vergence during rapid head movements?

Answer 42

Question 43

Explain visual field deficits and cortical blindness

Answer 43

Question 44

Which CN is responsible for each?

Answer 44

Question 45

Explain MLF lesions

Answer 45

Question 46

Explain lesions in vestibular system or cerebellum, frontal eye filed, and parieto-occipital eye field

Answer 46

Question 47

Define monocular, homonymous, and anopsia/anopia

Answer 47

Question 48

What are the results of lesions to 1) R optic nerve, 2) optic chiasm, 3) R optic tract, 4) R meyer’s loop, 5) R V1

Answer 48

Question 49

Where are the lesions for A-E?

Answer 49

Question 50

Define hemianopsia and quadrantanopsia

Answer 50

Question 51

Explain lesions of the extrastriate cortex

Answer 51

Question 52

Label

Answer 52