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Ageing > ICAST > Flashcards

ICAST Flashcards

1
Q

Layers of scalp

A
  • S = skin
  • C = cutaneous
  • A = aponeurosis
  • L = loose areolar tissue
  • P = periosteum
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2
Q

In which layer of the scalp does shearing occur

A

Loose areolar tissue

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3
Q

Which nerve supplies posterior scalp

A

c2

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4
Q

Which nerve supplies lower dentition

A

5c

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5
Q

Which nerve passes through infraorbital fossa

A

Infraorbotal nerve (branch of 5b)

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6
Q

Where can infection in pterygopalatine fossa pass to and why

A

Anywhere in head/neck - acts as a crossroads

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7
Q

Which nucleus is associated with primary afferents of taste

A

nucleus solitaires

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8
Q

On which nerve are taste fibres carried in tongue?

A

lingual from 5c

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9
Q

on which nerve are taste fibres carried into skull base

A

chorda tympani

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10
Q

Bleeding skin cancer

A

SCC

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11
Q

How to tell if SCC has invaded bone

A

Is it mobile

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12
Q

Pain temp coarse touch in

A

spinothalamic

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13
Q

pain detected in

A

frontal cortex, limbic system and thalamus

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14
Q

brown squared syndrome

A

hemisection of spinal cord
UMN lesion
ipsilateral UM signs due to lateral corticospinal tract damage

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15
Q

course of pudendal nerve as it enters perineum

A

leaves sacrum, goes through greater sciatic foramen, allcocks canal and re-enters through lesser sciatic foramen

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16
Q

bony landmark for episiotomy

A

ischial spine

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17
Q

How does infection spread from ear to sigmoid sinus

A

emissary veins or direct contact via bone

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18
Q

which sinus empties into sigmoid sinus

A

transverse sinus

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19
Q

bone surrounding ossicles and cochlea

A

bony labyrinth

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20
Q

fluid inside bony labyrinth

A

perilymph

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21
Q

membranous labyrinth

A

system of membranes within bony labyrinth is membranous labyrinth - contains endolymph

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22
Q

pars…

A

pars flaccida = top part, floppy

pars tensa = bottom part, rigid

cholesteatoma forms when negative pressure sucks pars flaccida into upper ear = dead skin and smell

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23
Q

hillocks 1-3 from pharyngeal arch

A

1

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24
Q

hillocks 4-6 from pharyngeal arch

A

2

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25
Q

front of ear supplied by

A

auriculotemporal nerve - trigeminal

26
Q

posterior ear supplied by

A

c2 - greater auricular

27
Q

which pharyngeal arch forms cleft lip

A

1

28
Q

what do semi-circular canals detect

A

angular movement

29
Q

what do utricle and saccule detect

A

acceleration and elevation respectively

30
Q

how many turns does cochlear have

A

2.5

31
Q

how many openings from semi-circular canals into vestibule

A

5

32
Q

cognitive decline

A

dementia

33
Q

artery occlusion leading to right leg weakness

A

left anterior cerebral artery

34
Q

condition when foramen of Monroe occluded

A

hydrocephalus

35
Q

are UMN sx immediate

A

no takes a while to occur

36
Q

what is sensory level?

A

level below which sensation is lost

37
Q

uncal herniation

A

third nerve compressed and spills over tenotium cerebella

38
Q

structures passing through jugular foramen

A

jugular vein
Cn 9,10,11
sigmoid sinus

39
Q

why is it bad when tonsils coning

A

compression of respiratory centres = die

40
Q

why is it bad to do LP on coning pt

A

makes pressure difference greater so tonsils sucked further down

41
Q

motor supply to pharyngeal constrictors

A

vagus

42
Q

nerves damaged in waiters tip

A

c5.6

43
Q

pair of muscles behind kidneys

A

psoas

44
Q

nerves passing through psoas

A

lumbar plexus

45
Q

subarachnoid aneurysm

A

berry aneurysm

thunderclap headache

46
Q

drooping eyelid and pupillary constriction

A

horner’s

47
Q

c8/t1 palsy

A

Horner’s and klumpke’s palsy

48
Q

names of neurones

A

multipolar, bipolar and unipolar

49
Q

inflammation of nervous system in brain

A

MS

50
Q

sx MS

A

fatigue pain weakness visual changes

51
Q

which CN involved in tears

A

7

52
Q

what is topic nerve surrounded by

A

meninges - dura

53
Q

Where does optic nerve leave retina

A

optic disc

54
Q

What is papilloedema a sign of

A

high ICP

55
Q

So function

A

lateral and down

56
Q

IO

A

lateral and dup

57
Q

LR

A

abduction

58
Q

which cn does snellen check

A

2

59
Q

cavernous sinus thrombosis

A

headache around eye, swelling and bulging eye after infected piercing

60
Q

CN in cavernous sinus thrombosis

A

6

61
Q

retinal artery occlusion

A

pale disc and cherry red spot

Ageing (21 decks)

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