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Flashcards in Practice questions 3 Deck (52)
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1
Q

what are the characteristics of an HSV infection of the eye

A
pain 
relapsing remitting 
oedema
opacity
enlarged cervical lymph nodes
corneal inflammation
2
Q

what is a sign of adenovirus conjunctivitis

A

enlarged periauricular lymph node enlargement

3
Q

what stage of sleep are K complexes and sleep spindles typical of

A

stage 2

4
Q

what pathogens could be involved in an 82 year old woman with bacterial meningitis

A

strep pneumoniae

5
Q

a 39 yo pregnant woman with encephalitis

A

toxoplasma gondii

6
Q

a heroin addict with meningitis

A

cryptococcus neoformans

7
Q

ant belly of digastric muscle

A

1st arch

8
Q

common carotid arterys

A

3rd arch

9
Q

branchial fistula

A

2nd arch

10
Q

treacher collins

A

1st arch

11
Q

man who has fallen from a height

A

extradural haematoma

12
Q

deliberate trauma with cresent shaped area of blood

A

subdural haematoma

13
Q

what does the posterior cerebral artery supply

A

occipital lobe, temporal lobe and midbrain

14
Q

what does the PICA supply

A

lateral medulla and cerebellum

15
Q

what is the blood supply of the lateral pons and cerebellum

A

AICA

16
Q

lumbar puncture in a child

A

L4/5

17
Q

How many more times frequent is depression in people with chronic health problems

A

2 or 3 times

18
Q

what class of drugs are tricyclics chemically related to

A

phenothiazines

19
Q

how do tricyclics work

A

inhibits the reuptake of noradrenaline into the presynaptic terminals

they are antimuscarinics

can be used to treat enuresis (inhibits bladder contraction)

20
Q

what are the side effects of tricyclics

A
seizures
cardiotoxicity 
blurred vision 
urinary retention 
dry mouth 
raised intraocular pressure
21
Q

subacute injury after stroke

A

tissue destruction with liquefactive necrosis

22
Q

where is blood from a subarachnoid haemorrhage from the circle of willis most likely to be seen on a CT

A

suprasellar cistern

23
Q

where are shunts for hydrocephalus usually inserted

A

4th ventricle

24
Q

what bones form the pterion

A

frontal parietal temporal and sphenoid

25
Q

what structures form the striatum

A

caudate nucleus and putamen

26
Q

what is the name of the fibres within the corona radiata of the internal capsule which carries information to the cerebrum

A

association fibres

27
Q

ventral spinocerebellar tract

A

conveys proprioceptive information from the body to the cerebellum.

‘double crossing’

dorsal does not cross

28
Q

What are Merkel’s discs

A

detect static touch and pressure

slowly adapting, A beta fibres

29
Q

where is the olfactory centre

A

frontal lobe

30
Q

what would happen in a lesion of the vermis

A

wide based stance

31
Q

rhombencephalon

A

hindbrain

32
Q

supplementary motor area

A

mental rehearsal of an action

33
Q

vestibulospinal pathways

A

facilitate limb extensor neurons of axial and proximal muscles

34
Q

when do brain lobes and groves become evident

A

28 weeks

35
Q

what nerve runs in the cavernous sinus

A

v2 and internal carotid artery

36
Q

pacinian corpuscles

A

vibration

37
Q

meissners corpucles

A

stroking, touch

38
Q

merkels discs

A

light pressure

39
Q

ruffinis corpuscles

A

stretch

40
Q

hair follicle receptors

A

displacement of hairs

41
Q

what is procedural memory

A

motor skills e.g. how to ride a bike

mainly involves cerebellar circuits

42
Q

what is the effect of phenytoin having a long half life

A

may take a few weeks to reach a therapeutic dose

monitoring is essential

43
Q

in what order do the ossicles go in

A

malleus incus stapes

44
Q

which semicircular canal is responsible for roll

A

posterior

45
Q

Anterior semicircular canal

A

pitch

46
Q

horizontal semicircular canal

A

yaw

47
Q

which taste sensation relies on a G protein linked pathway and adenylate cyclase

A

sweet

48
Q

what is the function of benzodiazepines

A

anxiolytic, sedative, muscle relaxant, anticonvulsant

not an antipsychotic

49
Q

what ion is involved in action potentials in ear hair cells

A

calcium

50
Q

what are the features of kluver bucy syndrome, resulting from bilateral lesions of the medial temporal lobe

A

hyperphagia, hypersexuality, hyperorality, visual agnosia, and docility.

51
Q

what forms the lower eyelids in the foetus

A

maxillary prominence

52
Q

what would you use to treat absence seizures

A

ethosuximide