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