Practice questions 3 Flashcards Preview

MD4001 > Practice questions 3 > Flashcards

Flashcards in Practice questions 3 Deck (52):
1

what are the characteristics of an HSV infection of the eye

pain
relapsing remitting
oedema
opacity
enlarged cervical lymph nodes
corneal inflammation

2

what is a sign of adenovirus conjunctivitis

enlarged periauricular lymph node enlargement

3

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

stage 2

4

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

strep pneumoniae

5

a 39 yo pregnant woman with encephalitis

toxoplasma gondii

6

a heroin addict with meningitis

cryptococcus neoformans

7

ant belly of digastric muscle

1st arch

8

common carotid arterys

3rd arch

9

branchial fistula

2nd arch

10

treacher collins

1st arch

11

man who has fallen from a height

extradural haematoma

12

deliberate trauma with cresent shaped area of blood

subdural haematoma

13

what does the posterior cerebral artery supply

occipital lobe, temporal lobe and midbrain

14

what does the PICA supply

lateral medulla and cerebellum

15

what is the blood supply of the lateral pons and cerebellum

AICA

16

lumbar puncture in a child

L4/5

17

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

2 or 3 times

18

what class of drugs are tricyclics chemically related to

phenothiazines

19

how do tricyclics work

inhibits the reuptake of noradrenaline into the presynaptic terminals

they are antimuscarinics

can be used to treat enuresis (inhibits bladder contraction)

20

what are the side effects of tricyclics

seizures
cardiotoxicity
blurred vision
urinary retention
dry mouth
raised intraocular pressure

21

subacute injury after stroke

tissue destruction with liquefactive necrosis

22

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

suprasellar cistern

23

where are shunts for hydrocephalus usually inserted

4th ventricle

24

what bones form the pterion

frontal parietal temporal and sphenoid

25

what structures form the striatum

caudate nucleus and putamen

26

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

association fibres

27

ventral spinocerebellar tract

conveys proprioceptive information from the body to the cerebellum.

'double crossing'

dorsal does not cross

28

What are Merkel's discs

detect static touch and pressure

slowly adapting, A beta fibres

29

where is the olfactory centre

frontal lobe

30

what would happen in a lesion of the vermis

wide based stance

31

rhombencephalon

hindbrain

32

supplementary motor area

mental rehearsal of an action

33

vestibulospinal pathways

facilitate limb extensor neurons of axial and proximal muscles

34

when do brain lobes and groves become evident

28 weeks

35

what nerve runs in the cavernous sinus

v2 and internal carotid artery

36

pacinian corpuscles

vibration

37

meissners corpucles

stroking, touch

38

merkels discs

light pressure

39

ruffinis corpuscles

stretch

40

hair follicle receptors

displacement of hairs

41

what is procedural memory

motor skills e.g. how to ride a bike
mainly involves cerebellar circuits

42

what is the effect of phenytoin having a long half life

may take a few weeks to reach a therapeutic dose
monitoring is essential

43

in what order do the ossicles go in

malleus incus stapes

44

which semicircular canal is responsible for roll

posterior

45

Anterior semicircular canal

pitch

46

horizontal semicircular canal

yaw

47

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

sweet

48

what is the function of benzodiazepines

anxiolytic, sedative, muscle relaxant, anticonvulsant

not an antipsychotic

49

what ion is involved in action potentials in ear hair cells

calcium

50

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

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

51

what forms the lower eyelids in the foetus

maxillary prominence

52

what would you use to treat absence seizures

ethosuximide