ICAST

Question 1

layers of the scalp

Answer 1

skin 
connective tissue 
aponeuresis 
loose areolar tissue 
pericranium

Question 2

shearing injury of scalp happens between what layers

Answer 2

aponeuresis

loose areolar tissue

Question 3

inferior areola ( dental nerve ) supplies where

Answer 3

lower dentation

Question 4

farmer( serious) infraorbital nerve damage - what sx if tumour invades

Answer 4

numbness an apian in the Chee

branch of maxillary

Question 5

pterygoid palatine fossa - if you don’t know guess this - behind jaw - where can a tumour spread from here

Answer 5

middel cranial fossa nasal cavity, oral cavity, orbit

Question 6

lingual nerve innervation where

Answer 6

branch of mandibular

Question 7

brainstem does taste go too

Answer 7

nucleus solitarius - tasty

middle ear infection relevance is chorda tympani goes across your ear drum

Question 8

bleeding skin cancer

how can you tell if underlying bone

Answer 8

SCC

does the scc move or not
if free moving skin graft if not chemo

Question 9

2 areas of brain involved in pain perception

Answer 9

limbic system
thalamus
soamtosenosry cortex

Question 10

pudendal nerve pathway

Answer 10

through greater sciatic foramen , round ischial spine and back into lesser sciatic foramen and then through pudendal canal

Question 11

how does infection spread from the ear to cause thrombosis in the sigmoid sinus

Answer 11

emissary veins to mastoid process very close relation with sigmoid sinus

rare complication of Ottis media due to abx

Question 12

small bone that contains semicircular canals

Answer 12

bony labrythn - fluid contained inside- perilymph
meningitis - inner ear infect causing labrynthtiis - delayed hearing loss

endolymph found in membranous labyrinth inside the bony bit - moves around with movement and hair cells sorted

Question 13

scala vestiboli on top of scale tympani
scala media in the middle for you
cochlea nerve comes out the side
cochlea implant goes into what channel

Answer 13

scale tympani

Question 14

top of tympanic membrane called

Bottom

Answer 14

pars flaccida - floppy - made of 2 layers
pars tensa - tense - made of 3 layers

cholesterol - negative Pressure in middle ear - sucks pars flaccida up into middle ear

Question 15

form which pharyngeal arch are hillocks 1-3
and 4-6 derived
nerves supplying outer ear

Answer 15

Arch 1
arch 2
ant peripheral ear - auricular temporal nerve
post periterai ear - C2 - greater auricular nerve

Question 16

cleft lift from what arch

Answer 16

1st arch

Question 17

semicircular canals detect

Answer 17

angular movement

Question 18

utricle and succulent detect linear movement - up and down

Answer 18

true

Question 19

hippocampus

Answer 19

hippo = seahorse in greek

Question 20

headache after vaccine ;eating to wopaltelt count and headache where could be blocked

Answer 20

venous sinus thrombosis - transverse sinus

dorsal colomns - vasiculus

vasiculus graiclis - legs

Question 21

lateral ventricles to 3rd ventricle connected by

Answer 21

foramina of munro

dilation of ventricular system - meningitis

Question 22

loss of reflexes

patient has spasticity, hyperflexxia in right leg - compression of which tract account fro this

Answer 22

UMN

lateral corticospinal tract

Question 23

tentorium cerebelli - if ICP is raised abc this trucutre what cranial nerve will be damaged

Answer 23

oculomotor nerve

Question 24

foramen magnum raised ICP what happen

Answer 24

coning

Question 25

what nerves pass through the posoa muscle

Answer 25

lumbar plexus

Question 26

horners sydrome often occurs with klumkes palsy

Answer 26

true