lectures 1/2

Question 1

ROD inner segment

Answer 1

has cell nucleus and mitochondria

Question 2

ROD outer segment

Answer 2

light sensitive rhodospin

Question 3

night vision?

Answer 3

ROD

Question 4

CONE inner segment

Answer 4

cell nucleus and mitochondria

Question 5

Cone outer segment

Answer 5

light sensitive lodospin

Question 6

colours?

Answer 6

cone

Question 7

refraction

Answer 7

at the cornea / lens

power at cornea is greater, but lens can change its shape

Question 8

greatest visual acuity

Answer 8

central fovea

Question 9

optic disc

Answer 9

emerging retinal arteries

blind spot

Question 10

fovea has

Answer 10

only cones

Question 11

more cones where

Answer 11

in central retina

Question 12

more rods in

Answer 12

peripheral retina (movement)

Question 13

Rhodospin Rods or cones

Answer 13

rods

Question 14

iodopsin rods or cones

Answer 14

cones

Question 15

left visual field projects to

Answer 15

right cortex

Question 16

thalamus contains

Answer 16

lateral geniculate nucleus

Question 17

dorsal stream

Answer 17

to parietal
orient
where/how am I

Question 18

ventral stream

Answer 18

to temporal

what, object recongition

Question 19

adducting eye does what

Answer 19

depresses eyeball

Question 20

adbucted eye does what

Answer 20

intorsion of eyeball

Question 21

head tilted to left, wheres right n left eye

Answer 21

right eye extorted inferior oblique

left eye intorted superior oblique

Question 22

motor cranial nerve receives

Answer 22

input from primary motor cortex via corticobulbar tract

Question 23

eye controlled by

Answer 23

frontal eye fields

Question 24

ascending MLF

Answer 24

connects MLF and occculmotor

VOR

Question 25

deciding MLF

Answer 25

medial vestibulospinal tract

Question 26

types of volitional saccades

Answer 26

anti saccade memory predictive

Question 27

what happens in superior colliculus

Answer 27

from retina goes through visual to motor layer

Question 28

vertical gaze

Answer 28

coronation of CNIII and IV

Question 29

vertical gaze centre goes were

Answer 29

CN III (to superior n inferior rectus) and IV *(S0)

Question 30

what coordinates accommodation

Answer 30

pretectal area

Question 31

what sends projections to ciliary mm

Answer 31

dinger westphal

Question 32

SVE glosso

Answer 32

pharyngeal mm

Question 33

GVE glosso

Answer 33

parotid gland

Question 34

GVA glosso

Answer 34

gag reflex

Question 35

SVA glosso

Answer 35

posterior 1/3 tongue

Question 36

GSA glosso

Answer 36

pharynx, posterior oral cavity

Question 37

``` SVE GVE GVA SVA GSA ``` nucleus types glosso

Answer 37

``` ambiguus inferior salivary solitary solitary solitary ```

Question 38

SVE vagus

Answer 38

pharyngeal mm

Question 39

GVE vagus

Answer 39

thoracic / ab larynx

Question 40

GVA vagus

Answer 40

thoracic / ab / aortic arch

Question 41

GSA vagus

Answer 41

meninges, pharynx, larynx

Question 42

GVE GVA SVA GSA vagus nucleus

Answer 42

ambiguous / dorsal solitary ambiguus spinal

Question 43

corticobublar tract for trap LMN do what

Answer 43

cross over

Question 44

corticobublar tract for SCM LMN do what

Answer 44

stay on same side

Question 45

CN IX X Xi exit

Answer 45

jugular foramen

Question 46

hypoglossal nerve

Answer 46

CN XII intrinsic mm tongue

Question 47

hypoglossal UMN projections to LMN in brainstem are ____ EXCEPT for ____

Answer 47

bilateral | LMN to genioglossus

Question 48

what protrudes tongue

Answer 48

genioglossus

Question 49

reticular formation lat zone med zone

Answer 49

afferent | efferent

Question 50

substance nigra

Answer 50

control of movement

Question 51

ventral tenemental area

Answer 51

projects to prefrontal cortex limbic structures

Question 52

noradrenergic signalling

Answer 52

projects to thalamus / forebrain

Question 53

serotonergic signalling

Answer 53

projects to thalamus / cortex, basal ganglia, brainstem

Question 54

acetylcholine

Answer 54

projects to thalamus / cortex tegmentum of pons

Question 55

histamine

Answer 55

projects to thalamus / cortex tegmentum of pons arousal alertness

Question 56

petrous part of temporal bone

Answer 56

cochlea | labyrinth

Question 57

where peri vs endo

Answer 57

peri is between bony an membranous labyrinth epi is within membranous laby

Question 58

transducer

Answer 58

hair cell

Question 59

crista

Answer 59

ridge in ampulla where hair cells are

Question 60

anterior - posterior movement

Answer 60

utricle saccades

Question 61

medio lateral movemets

Answer 61

utricle

Question 62

saculle

Answer 62

superior inferior movement

Question 63

medial vestibular nuclei

Answer 63

rotational (semi circular canals)

Question 64

lateral vestibular nuclei

Answer 64

liner (otolith)

Question 65

maintenance of posture

Answer 65

vestibulospinal reflex | lateral vestibuospinal tract

Question 66

stabilization of head

Answer 66

vestibulcervical reflex | medial vestibulospinal tract

Question 67

Nystagmus

Answer 67

acceleration of head to left VOR moves eyes right Resets LEFT (NYSTAGMUS)

Question 68

vestibular nuclei not working what happens

Answer 68

that eye won't move