Practice questions 3

Question 1

what are the characteristics of an HSV infection of the eye

Answer 1

pain 
relapsing remitting 
oedema
opacity
enlarged cervical lymph nodes
corneal inflammation

Question 2

what is a sign of adenovirus conjunctivitis

Answer 2

enlarged periauricular lymph node enlargement

Question 3

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

Answer 3

stage 2

Question 4

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

Answer 4

strep pneumoniae

Question 5

a 39 yo pregnant woman with encephalitis

Answer 5

toxoplasma gondii

Question 6

a heroin addict with meningitis

Answer 6

cryptococcus neoformans

Question 7

ant belly of digastric muscle

Answer 7

1st arch

Question 8

common carotid arterys

Answer 8

3rd arch

Question 9

branchial fistula

Answer 9

2nd arch

Question 10

treacher collins

Answer 10

1st arch

Question 11

man who has fallen from a height

Answer 11

extradural haematoma

Question 12

deliberate trauma with cresent shaped area of blood

Answer 12

subdural haematoma

Question 13

what does the posterior cerebral artery supply

Answer 13

occipital lobe, temporal lobe and midbrain

Question 14

what does the PICA supply

Answer 14

lateral medulla and cerebellum

Question 15

what is the blood supply of the lateral pons and cerebellum

Answer 15

AICA

Question 16

lumbar puncture in a child

Answer 16

L4/5

Question 17

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

Answer 17

2 or 3 times

Question 18

what class of drugs are tricyclics chemically related to

Answer 18

phenothiazines

Question 19

how do tricyclics work

Answer 19

inhibits the reuptake of noradrenaline into the presynaptic terminals

they are antimuscarinics

can be used to treat enuresis (inhibits bladder contraction)

Question 20

what are the side effects of tricyclics

Answer 20

seizures
cardiotoxicity 
blurred vision 
urinary retention 
dry mouth 
raised intraocular pressure

Question 21

subacute injury after stroke

Answer 21

tissue destruction with liquefactive necrosis

Question 22

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

Answer 22

suprasellar cistern

Question 23

where are shunts for hydrocephalus usually inserted

Answer 23

4th ventricle

Question 24

what bones form the pterion

Answer 24

frontal parietal temporal and sphenoid

Question 25

what structures form the striatum

Answer 25

caudate nucleus and putamen

Question 26

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

Answer 26

association fibres

Question 27

ventral spinocerebellar tract

Answer 27

conveys proprioceptive information from the body to the cerebellum. 'double crossing' dorsal does not cross

Question 28

What are Merkel's discs

Answer 28

detect static touch and pressure slowly adapting, A beta fibres

Question 29

where is the olfactory centre

Answer 29

frontal lobe

Question 30

what would happen in a lesion of the vermis

Answer 30

wide based stance

Question 31

rhombencephalon

Answer 31

hindbrain

Question 32

supplementary motor area

Answer 32

mental rehearsal of an action

Question 33

vestibulospinal pathways

Answer 33

facilitate limb extensor neurons of axial and proximal muscles

Question 34

when do brain lobes and groves become evident

Answer 34

28 weeks

Question 35

what nerve runs in the cavernous sinus

Answer 35

v2 and internal carotid artery

Question 36

pacinian corpuscles

Answer 36

vibration

Question 37

meissners corpucles

Answer 37

stroking, touch

Question 38

merkels discs

Answer 38

light pressure

Question 39

ruffinis corpuscles

Answer 39

stretch

Question 40

hair follicle receptors

Answer 40

displacement of hairs

Question 41

what is procedural memory

Answer 41

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

Question 42

what is the effect of phenytoin having a long half life

Answer 42

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

Question 43

in what order do the ossicles go in

Answer 43

malleus incus stapes

Question 44

which semicircular canal is responsible for roll

Answer 44

posterior

Question 45

Anterior semicircular canal

Answer 45

pitch

Question 46

horizontal semicircular canal

Answer 46

yaw

Question 47

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

Answer 47

sweet

Question 48

what is the function of benzodiazepines

Answer 48

anxiolytic, sedative, muscle relaxant, anticonvulsant not an antipsychotic

Question 49

what ion is involved in action potentials in ear hair cells

Answer 49

calcium

Question 50

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

Answer 50

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

Question 51

what forms the lower eyelids in the foetus

Answer 51

maxillary prominence

Question 52

what would you use to treat absence seizures

Answer 52

ethosuximide