Cns

Question 1

repeated question about hypoglossal nerve injury what is the sign?

Answer 1

deviation of tongue to the side of the lesion

Question 2

What is the most injured nerve in case of thrombosis in cavernous sinus?

Answer 2

Trochlear

Question 3

Lesions to the anterior limb of the internal capsule result in what?

Answer 3

Aphasia

Question 4

what is lost in ischaemia reperfusion cycle

Answer 4

Oxidative phosphorylation

Question 5

diseases that have CGG and loss of function mutation ?

Answer 5

Fragile X

Question 6

thalamus contralateral hemiparesis neglect

Answer 6

Intralaminar

Question 7

A Drug was given to a lady after surgery and she lost consciousness and resulted in
hypotension?

Answer 7

Codeine

Question 8

Patient symptoms were referring to meningitis i think or encephalitis , there was
meningeal irritation , he was in his 70’s , asking which empirical therapy u would
give?

Answer 8

Vancomycin ceftriaxone and ampicillin (he is >65 )

Question 9

Into what structure do auditory afferents travel in the midbrain

Answer 9

lateral lemniscus

Question 10

70 Mutation of HNA?

Answer 10

FXR

Question 11

After taking 3 doses of covid vaccine a patient experienced a loss of sensation
symmetrical in the lower limb then it involved the upper limb ? He is a smoker and
recently diagnosed with type 2 diabetes and is on oral therapy. He has back pain and
was prescribed NSAIDS. On physical examination, he showed loss of deep tendon
reflex.

Answer 11

Peripheral demyelination

Question 12

Pt died of acute lobar pneumonia and suffered a neurological disease (it said that
she was suffering from these neurological for a long time before) she is hypertensive
and autopsy reveals brown deposit in periventricular white white matter. What is most
likely cause for the changes seen
a. Septic infarcts to brain

Answer 12

She has ms

Question 13

Patient is acting on his dreams + anosmia ?

Answer 13

lewy body dementia

Question 14

What describes carpal tunnel

Answer 14

Mononeuropathy

Question 15

75 A 78 year old right-handed male collapses and is brought from an accident to
emergency. He seems to follow clear one-step commands but he gets very frustrated
as he cannot answer questions. He is unable to lift his right hand or leg.his blood
pressure is 149/87. He takes only aspirin and furosemide. What is the most likely
diagnosis?

Answer 15

Left cortical hemorrhage

Question 16

What connects the temporal lobes?

Answer 16

anterior commissure

Question 17

An old lady was admitted to hospital, she was eating her lunch then suddenly
dropped the fork . She calls for the nurse who notices the left side of her face is
drooping, What is the best next course of action?

Answer 17

Urgent CT

Question 18

What is true about stereocilia?

Answer 18

tips mediate mechanoelectrical transduction (MET)

Question 19

Hair cell contract by what

Answer 19

K+ influx

Question 20

What does the sulcus limitans separate

Answer 20

motor & sensory nuclei

Question 21

During childbirth, an excessive anteroposterior compression of the head may tear the
anterior attachment of the falx cerebri from the tentorium cerebelli. The bleeding that
follows is likely to be from which of the following venous sinuses?

Answer 21

Straight sinus

Question 22

Which part of the cerebellum is affected in the following test?

Answer 22

Cerebrocerebellum

Question 23

Which structure is least affected by herniation of the uncus thru transtentorial notch?

Answer 23

MCA

Question 24

Which one is not affected by pica infarction ?

Answer 24

Medial longitudinal fasciculus

Question 25

What would be affected in disorders of brain peroxisomes ?

Answer 25

degradation of glycosphingolipids

Question 26

Which mutation leads to leber’s congenital amaurosis ?

Answer 26

RPE-65

Question 27

Identical twins have develop MS by which percent does they develop it ( something like that) one twin got MS what is the chance of the other monozygotic twin from getting it)

Answer 27

25 - 30%

Question 28

19 years old women present unconscious with lumbar CSF sample low glucose normal protein associated with medial temporal lobes on both sides

Answer 28

HSV encephalitis

Question 29

29. 3 yo with multiple types of seizures, absence, tonic-clonic etc, with slow waves and spikes

Answer 29

Lennox gastaut

Question 30

They gave CSF parameters and it was bacterial meningitis

Answer 30

Exudate over cortex

Question 31

a patient had a cardiac arrest & post-mortem examination showed a diffuse pattern of cortical injury ,what is the most probable etiology?

Answer 31

global cerebral ischemia

Question 32

Physio question zorans note on balance, what causes activation of anterior tibialis, abdomen, and quadriceps

Answer 32

Forward translocation of base longer than feet

Question 33

What is Sativex used for?

Answer 33

MS

Question 34

Question about someone who had difficulty in understanding speech, where is the lesion (i think wernicke area)

Answer 34

Superior temporal gyrus understanding speech= wernicke producing speech= broca (frontal)

Question 35

a person came with a head injury. What is affected in medial orbital wall fracture?

Answer 35

Nasociliary nerve

Question 36

Cardinal features of parkinsons

Answer 36

Bradykinesia, Resting tremor, instability, Rigidity

Question 37

physio question about balance zoran’s note - what is involved in maintaining posture when the head is accelerated and moved

Answer 37

lateral vestibular

Question 38

Question about a Kuwaiti lady who had a new onset of seizures and two ring enhancing lesions on CT, and they suspect a parasitic infection how would you confirm diagnosis?

Answer 38

Immunoblot Cysticercosis is an infection caused by the larvae of the parasite Taenia solium. This infection occurs after a person swallows tapeworm eggs. The larvae get into tissues such as muscle and brain, and form cysts

Question 39

Which organism needs chemoprophylaxis for close contacts

Answer 39

Neisseria Meningitidis

Question 40

Elderly patient had an injury occipital region, resulting in many fissure fractures in that area, what is most likely

Answer 40

Subdural hemorrhage

Question 41

Patient taking fluoxetine has surgery and was given a drug to relieve pain but caused serotonin syndrome

Answer 41

Tramadol

Question 42

What makes a person enter the N2 stage ?

Answer 42

sleep spindle and k complex

Question 43

Donepezil is prescribed to Alzheimer’s patients,which increases the Ach levels, what can be seen in normal individuals?

Answer 43

Inhibit non REM chE inhibitors

Question 44

INNOVAR constitutes what type of drugs?

Answer 44

D2 antagonist and u-opioid agonist mind surgeries -aware shway

Question 45

Classic Michael Jordan picture from the note, What cells are involved in reducing background noise?

Answer 45

Wide amacrine cells

Question 46

stepping on a sharp object causes flexion of the leg on that side. What happens to the leg on the other side?

Answer 46

an inhibitory interneuron synapses with motor neuron innervating the flexor muscle of the leg other side

Question 47

Bilateral injury to posterior parietal lateral lobe, rostrum to primary visual cortex?

Answer 47

cannot reach objects

Question 48

What will happen i if you rotate baby’s head to the right (without titling)

Answer 48

right limbs extend, left limbs flexed

Question 49

What is involved in center surround image processing?

Answer 49

Idk

Question 50

Question about what does dopamine do in affecting basal ganglia

Answer 50

Something along the lines of inhibiting Gpi

Question 51

PDE Drugs that affect cGMP in the eye, what do they have an effect on?

Answer 51

Loss of light,darkness differentiation

Question 52

Cause of CSF flow

Answer 52

Making new CSF

Question 53

Pathogenesis of alzheimer's disease in relation to Tau and AB42 fibres

Answer 53

Inflammatory response causing phosphorylation of Tau

Question 54

What vaccine is given before going to Hajj?

Answer 54

A,B,C and W135

Question 55

what drug is given orally daily to improve alzheimer's cholinergic activity

Answer 55

Donepezil

Question 56

A 23 year old with double vision and diplopia which of the following investigations indicates myasthenia gravis

Answer 56

decremental response to repetitive stimuli

Question 57

A 50 year old female with neurological symptoms and had gastric bypass surgery what is the cause of the neurological symptoms?

Answer 57

B12 deficiency

Question 58

how does prpsc affect the normal prion prp

Answer 58

Causes conformational change of normal protein

Question 59

Question which of the following are 3rd gen cephalosporin

Answer 59

Cefuroxime

Question 60

which drug causes pseudomembranous colitis

Answer 60

C.difficile

Question 61

we dont recall the question but the answer was thalamus ventral lateral nucleus. it probably had to do witj movement or the basal gangla. (i think it was repeated, choreiform movemet)

Answer 61

we dont recall the question but the answer was thalamus ventral lateral nucleus. it probably had to do witj movement or the basal gangla. (i think it was repeated, choreiform movemet)

Question 62

repeated diagnostic test for narcolepsy

Answer 62

multiple sleep latency test

Question 63

location of cochlear nucleus repeated

Answer 63

Inferior to ICP

Question 64

quick hyponatremia treatment >> central pontine demyelination

Answer 64

quick hyponatremia treatment >> central pontine demyelination

Question 65

What is likely diagnosis of someone with loss of sensation and weakness first in the arms and back, and then become worse and spread to legs

Answer 65

central cord syndrome