Neuroanatomy 5

Question 1

the organ of corti sits on…

Answer 1

the basilar membrane

Question 2

what is contained within the organ of corti?

Answer 2

inner and outer hair cells

Question 3

what carries APs from the organ of corti to the cochlear nuclei in the pons to enable hearing

Answer 3

spiral ganglion

Question 4

once nerve fibres have reached the brainstem the input to the ear will be bilateral T or F

Answer 4

T, if someone has unilateral hearing loss the problem will have occurred before the fibres have reached the brainstem

Question 5

what nucleus is responsible for sound localisation?

Answer 5

superior olivary nucleus

Question 6

mnemonic for sensory transmission of CN8

Answer 6

ECOLI

Question 7

where would you find the primary auditory cortex?

Answer 7

top portion of the temporal lobe

Question 8

fibres carrying information regarding __ frequency sound end in the anterolateral part of the auditory cortex

Answer 8

low

Question 9

fibres carrying information regarding high frequency sound end in the ___ part of the auditory cortex

Answer 9

posteromedial

Question 10

define aphasia

Answer 10

inability to use language (speak)

Question 11

cause of aphasia

Answer 11

damage to broca’s area (area for producing speech)

damage to wernickes area (area for comprehending speech)

Question 12

what side of the brain manages language?

Answer 12

left

Question 13

vestibular information is delivered to the primary vestibular cortex T or F

Answer 13

F, there is no vestibular cortex, delivered to different areas of the brain instead

Question 14

medial geniculate nucleus carries..

Answer 14

auditory info

Question 15

lateral geniculate nucleus carries..

Answer 15

visual info

Question 16

primary visual cortex is located in,..

Answer 16

the occipital lobe above and below the calcarine sulcus

Question 17

the optic tract always sees the ___ visual field

Answer 17

opposite eg the right optic tract sees the left visual field from BOTH eyes

Question 18

the right part of the primary visual cortex always sees the __ visual field

Answer 18

opposite

Question 19

the upper visual field is projected to the gyrus __ the calcarine sulcus and vice versa

Answer 19

below

Question 20

visual information from which half has to go through meyers loop to get to its gyrus?

Answer 20

upper

Question 21

perfectly smooth visual movement eg tracking is controlled by…

Answer 21

visual cortex

Question 22

jumpy visual movement eg checking an area is controlled by…

Answer 22

anterior lobe