A patient presents with right sided arm weakeness and a R facial droop with aphasia. Which arterydistribution is the likely to be the cause of her stoke?
1.right MCA
2.left MCA
3. right anterior cerebral artery
4.left anterior cerebral artery
Posted Date:-2022-07-25 09:53:45
A patient with a SAH has a severe headache with nuchal rigidity but no focal neurological signs.What isher Hunt and Hess classification?
1.1
2.2
3.3
4.4
Posted Date:-2022-07-25 09:45:49
What is the survival rate of a Hunt and Hess Grade 5 SAH?
1. A. 0%
2.5%
3.10%
4. 15%
Posted Date:-2022-07-25 08:14:06
What percentage of the population will have at least one seizure in their lifetime?
1.2.5%
2.5%
3.10%
4.15%
Posted Date:-2022-07-25 10:01:21
Which is incorrect regarding Guillain Barre Syndrome?
1.80% of patients will have antecedent infection with Campylobacter jejuni.
2.CSF will show low protein, high glucose and often a pleocytosis up to 100.
3.High dose immune globulin and plasmapheresis have been shown to be equally efficacious in reducing length of illness.
4.Severe cases will not only involve demyelination but also axonal degeneration.
Posted Date:-2022-07-25 09:24:35
Which is incorrect regarding status epilepticus?
1.Mortality at 60 mins of status is around 30%.
2.Leucocytosis up to 20,000 is very common.
3.In phase 1 there is increased cerebral metabolism, hyperglycaemia, hyperpyrexia and hypertension.
4.Muscle relaxants should be used in intubated patients to avoid self- inflicted injury.
Posted Date:-2022-07-25 09:14:03
Which is true regarding treatment of meningitis?
1. Empiric treatment in adults consists of ceftriaxone 2g IV.
2.There is no evidence to support dexamethasone in infants with meningitis especially with Hib meningitis
3.Strep pneumoniae is becoming increasingly resistant to ceftriaxone in Australia as well as penicillin.
4.There is no parental treatment available for cryptocccocal meningitis.
Posted Date:-2022-07-25 09:40:20
Which statement is FALSE about carotid stenoses?
1.in a patient with an anterior circulation ischemic event, the presence of a bruit suggests a moderately severe stenosis
2.in a patient with an anterior circulation ischemic event, the absence of a bruit dismisses a moderately severe stenosis
3.a symptomatic stenosis >70% is often operated upon
4.an asymptomatic stenosis of > 70% is usually not operated upon
Posted Date:-2022-07-25 09:56:45
Which statement is false about Phenytoin?
1.the loading dose is 15-20 mg/kg
2.if a pt on phenytoin arrives in status epilepticus then the full loading dose should still be given
3.side effects include hypotension and bradyarrythmias
4.it is extremely effective in alcohol induced seizures
Posted Date:-2022-07-25 10:05:55
Which statement regarding central vertigo is incorrect?
1.Cerebellar CVA’s will often present with truncal ataxia.
2.Vertebrobasilar insufficiency will produce vertigo lasting typically less than a few mins.
3.Multiple sclerosis can cause vertigo which typically lasts a few mins and is recurring.
4.Vertigo can be associated with migraines either as aura or part of the migraine.
Posted Date:-2022-07-25 08:58:13
A CSF shows opening pressure of 30 cm H2O , protein of 0.1, glucose of 2.0, WCC of 100, and noorganisms on gram stain. Which type of meningitis does this fit with?
1.Acute bacterial.
2.Viral meningitis
3.Normal result
4.TB meningitis or partly treated bacterial meningitis.
Posted Date:-2022-07-25 09:39:20
A patient presents with right sided arm weakeness and a R facial droop with aphasia. Which artery distribution is the likely to be the cause of her stoke?
1.right MCA
2.left MCA
3.right anterior cerebral artery
4. left anterior cerebral artery
Posted Date:-2022-07-25 10:25:25
How long does a pt have to be seizing for to be in Status Epilepticus?
1.20 mins
2.30 mins
3.40 mins
4.50 mins
Posted Date:-2022-07-25 10:04:13
How long should you wait to get an LP before giving antibiotics?
1.give antibiotics immediately
2. 10 mins
3.20 mins
4. 30 mins
Posted Date:-2022-07-25 10:13:49
What is NOT true of Guillian Barre Syndrome?
1. frequently patients report an antecedent viral illness
2.classical motor weakness is greater and earliest in the legs
3.there is a lack of deep tendon reflexes
4.there is peripheral sensory loss greater in the arms than the legs
Posted Date:-2022-07-25 10:19:58
What is the recommended antibiotic regimen for empirical treatment of bacterial meningitis in a 40 yearold?
1.Ceftriaxone 2gm and Benzylpenicillin 1.8gm
2. Ceftriaxone 2gm
3.Benzylpenicillin 1.8gm
4.Ceftriaxone 2gm and Benzylpenicillin 1.8gm and Vancomycin 500mg
Posted Date:-2022-07-25 10:08:59
What percentage of pts with SAH have a prior sentinal warning hemorrhage ?
1.10%
2.20%
3.30%
4.50%
Posted Date:-2022-07-25 09:45:17
When would heparin be given in an ischemic stroke or TIA?
1.all
2.vertebro basilar ischemic stroke
3.anterior circulation ischemic stroke with no prior history of cerebrovascular disease
4.ischemic stroke or TIA secondary to proven cardioembolic source
Posted Date:-2022-07-25 09:57:44
Which CSF finding is incorrect?
1.antigenic studies are useful where partial treatment with antibiotics renders CSF sterile on culture
2.in viral meningitis the main white cells usually seen are monocytes
3.you would expect to see a raised CSF pressure in bacterial meningitis
4.in viral meningitis you would expect to see a low glucose and a high protein
Posted Date:-2022-07-25 10:14:46
Which feature of vertigo is more likely to make it central rather than peripheral?
1. A. Fast phase of nystagmus toward lesion.
2.Horizontal or rotational nystagmus present.
3.Severe vertigo associated with vomiting and diaphoresis
4.Visual fixation improves nystagmus.
Posted Date:-2022-07-25 08:55:44
Which interventions are NOT recommended and proven in Australia for treatment of ischemic strokes?
1.thrombolysis if less than 3 hours and normal CT
2.aspirin
3.specialized stoke unit
4.warfarin if atrial fibrillation
Posted Date:-2022-07-25 09:52:43
Which is incorrect of seizures?
1.There is decreased risk of seizures in pregnancy.
2. Eclamptic seizures are typically brief, self-terminating preceded by headache and visual disturbances.
3.Pseudo seizures are often recognized by pelvic thrusting which occurs in 45%.
4.Pseudo seizures are often recognized by pelvic thrusting which occurs in 45%.
Posted Date:-2022-07-25 09:07:02
Which is INCORRECT of treatment of TIA’s?
1. Aspirin 150 mg/day reduces risk of subsequent stroke by about 30%
2.Clopidagrel was shown in the CAPRIE study to have a slight advantage over aspirin in stroke prevention.
3.Anticoagulation of patients with TIA’s secondary to thrombosis has been shown to improve outcome.
4.Carotid endarterectomy will reduce death rate by almost 50% in patients with greater than 80% stenosis.
Posted Date:-2022-07-25 08:16:26
Which is INCORRECT regarding cerebral abscess?
1. Classical triad of headache, fever and focal neurological deficit occurs in over 80% of patients.
2.CT without contrast may miss the diagnosis.
3. Lumbar puncture is contraindicated.
4.Spread is haematogenous, contiguous or from neursurg or penetrating trauma.
Posted Date:-2022-07-25 09:43:11
Which is INCORRECT regarding cerebral infarction?
1.80% are MCA territory.
2.MCA syndrome is usually embolic, and arm is usually more affected than leg.
3.Lacunar infarcts usually have partial or complete recovery over 4-6 weeks.
4. Internuclear ophthalmoplegia usually results from anterior cerebral artery occlusion.
Posted Date:-2022-07-25 08:18:08
Which is incorrect regarding encephalitis?
1.MRI shows characteristic temporal and frontal lobe changes in HSV.
2.CSF usually shows aseptic meningitis.
3.PCR for HSV is insensitive but very specific.
4. Acyclovir has only been shown to be effective in HSV, but is also used in herpes zoster encephalitis.
Posted Date:-2022-07-25 09:41:36
Which is INCORRECT regarding entrapment neuropathies?
1.Carpal tunnel syndrome usually produces more pain at night.
2.Bell’s palsy cause sudden facial weakness with peak paralysis seen at 48 hrs.
3.Use of steroids and acyclovir has been advocated for treatment of Bell’s palsy as one study showed reduced length of paralysis.
4.Ulnar nerve entrapment usually occurs at the wrist resulting in numbness of 5th digit and half of 4th digit.
Posted Date:-2022-07-25 09:25:46
Which is INCORRECT regarding investigation of SAH?
1. Non contrast CT becomes less sensitive with time following bleed.
2. 5-10% of patients with negative CT will have SAH
3.Presence of xanthochromia is the gold standard for diagnosing SAH on LP.
4. Xanthochromia is present in all patients with SAH at 6 hrs post bleed.
Posted Date:-2022-07-25 08:11:09
Which is INCORRECT regarding myasthenia gravis?
1.Onset in females usually 2nd and 3rd decades, males 7th and 8th decades.
2.The thymus is abnormal in 75% and removal will improve symptoms in the majority.
3.Acute crises in these patients can be due to myasthenia crisis or cholinergic crisis secondary to the medication.
4.Muscle weakness is more marked peripherally.
Posted Date:-2022-07-25 09:23:46
Which is INCORRECT regarding the aetiology of seizures?
1. Idiopathic seizures usually start age 5-20 yrs.
2.Post head trauma seizures usually begin within 2 years of trauma.
3. Acute strokes are the most common cause in > 65 yr olds.
4.Space occupying lesions account for 1% of new seizures age 35-65.
Posted Date:-2022-07-25 09:03:25
Which is INCORRECT regarding the treatment of multiple sclerosis?
1. It is 2-3 times more common in females
2. The most common reported symptom initially is sensory loss.
3. Optic neuritis is usually unilateral can afferent pupillary response may be present.
4.The majority of patients will show plaques on MRI T2 weighted scans.
Posted Date:-2022-07-25 09:30:00
Which is INCORRECT regarding the treatment of multiple sclerosis?
1.Interferon and glatiramer have bee shown to reduce number of relapses in relapsingremitting MS.
2.IV immunoglobulin monthly for 2 years has shown to reduce annual exacerbations in relapsing-remitting MS.
3.No treatment currently exists for primary progressive MS to modify the disease.
4.Exacerbations of MS are treated with methlypred IV as studies have shown this to be superior to other glucocorticoids.
Posted Date:-2022-07-25 09:33:50
Which is INCORRECT regarding treatment and complications of SAH?
1.Nimodipine has only been proven to be of benefit orally in preventing vasospasm.
2.10-30% of patients will rebleed, with 20% within the first 2 weeks.
3.Vasospasm and delayed neurological deficit peak at day 1 post bleed.
Posted Date:-2022-07-25 08:12:19
Which is not a feature of myasthenia gravis?
1.motor weakness is usually of proximal extremities and bulbar
2.there is usually no sensory loss C. there is usually no reflex loss
3. symptoms are often worse as the day progresses
4.it is due to anitibodies formed against acetylcholineesterase
Posted Date:-2022-07-25 10:23:22
Which is not a risk factor for subarachnoid haemorrhage?
1.female
2.1st degree relative with SAH
3. polycystic ovaries
4.smoking
Posted Date:-2022-07-25 09:44:11
Which is not an early sign of cerebral infarction on CT?
1. Effacement of cortical sulci
2.Compression of ventricular system
3. Hyper dense clot in MCA
4. All are possible early signs of infarct.
Posted Date:-2022-07-25 08:19:32
Which is NOT correct regarding migraines?
1.Prevalence is higher in woman.
2.Most improve during pregnancy
3.It is idiopathic, and usually last less than 72 hrs.
4.Ketorolac has been shown to be superior to chlorpromazine in the management of migraines.
Posted Date:-2022-07-25 08:08:10
Which is NOT correct regarding temporal arteritis?
1.Majority older than 50 yrs.
2.More common in men.
3. Ischaemic optic neuritis is most feared complication.
4.Up to 50% of patients also have polymyalgia rheumatica.
Posted Date:-2022-07-25 08:14:54
Which is NOT true of non-traumatic subarachnoid haemorrhage?
1.Most common in the 40-60 year age group.
2.70% are due to AV malformations.
3.Female: male = 2:1
4.Smoking increases your risk 3-10 fold.
Posted Date:-2022-07-25 08:09:03
Which is true of the recent trial (NINDS) of thrombolysis in acute ischemic stroke?
1.streptokinase has the same risk benefit profile as tPA
2. the mortaility rate of tPA given within three hours of onset of ischemic stroke is lower than that of the stoke without thrombolysis
3. the mortality rate of tPA given within three hours of onset of ischemic stroke is higher than that of the stoke without thrombolysis
4.the long term disability rate in patients surviving their stoke is less if they were given tPA
Posted Date:-2022-07-25 09:55:38
Which is true of thrombolysis in cerebral infarct?
1.Clear benefit has been shown in at least 2 randomized controlled trials that TPA reduces mortality in CVA.
2.Patients up to 6 hrs post infarct have been shown to benefit from thrombolysis.
3.The NINDS trial showed that improvement in patients treated within 3 hrs with thrombolysis.
4. ECASS trial thrombolysed patients within 3 hrs with TPA and showed improvements in all outcomes compared with placebo.
Posted Date:-2022-07-25 08:53:48
Which is true regarding the presentation of SAH?
1.Up to 20% experience a sentinel bleed.
2.A sixth cranial nerve palsy can represent a growing aneurysm in cavernous sinus.
3.Seizures occur in 50% of patients
4.Photophobia is often more marked than patients with migraines.
Posted Date:-2022-07-25 08:09:56
Which of the drugs below is not known to cause an exacerbation of myasthenia gravis?
1.prednisolone
2.chlorpromazine
3.lithium
4.penicillin
Posted Date:-2022-07-25 10:22:11
Which of the features below is not consistent with a pseudoseizure?
1. rhythmic thrusting of the pelvis
2.extremity movements out of phase bilaterally
3.recall of events during the seizure
4.tongue biting
Posted Date:-2022-07-25 10:07:39
Which of the following drugs is unlikely to cause seizure in withdrawal/
1.Cocaine
2.Narcotics
3.Benzodiazepines
4.Tricyclics
Posted Date:-2022-07-25 08:58:54
Which of the following peripheral neurological nerve lesions will not result in proximal weakness greater than peripheral?
1.Radiculopathy
2.Neuropathy
3.Neuromuscular junction disease
4.Myopathy
Posted Date:-2022-07-25 09:14:47
Which of the signs or symptoms below would concern you that the cause of a patients vertigo was central?
1.associated vomiting
2.worsens with position change
3. associated tinnitus
4.vertical nystagmus
Posted Date:-2022-07-25 10:28:25
Which of the signs or symptoms below would concern you that the cause of a patients vertigo wascentral?
1.associated vomiting
2. worsens with position change
3.associated tinnitus
4. vertical nystagmus
Posted Date:-2022-07-25 10:17:49
Which of these is not consistent with vestibular neuronitis?
1. horizontal nystagmus
2.dysarthria
3.vomiting
4.constant for eight hours
Posted Date:-2022-07-25 10:18:44
Which statement is false about benzodiazepines and seizures?
1. there is little evidence to support any particular one
2.the dose of clonazepam in a child is 0.5 mg, and an adult 1mg
3.diazepam can be safely used PR, IM or IV
4. the rectal dose of diazepam for a 3 year old is about 5mg
Posted Date:-2022-07-25 10:06:46
Which statement is FALSE about MS?
1.30% of patients will initially present with optic neuritis
2.CSF protein and gammaglobulin levels are reduced in MS .
3.nearly all patients will demonstrate some abnormality on MRI
4.the overall life expectancy is not usually reduced with MS
Posted Date:-2022-07-25 10:24:22
Which statement is FALSE about zanthocromia and SAH?
1. Inspection of CSF with the naked eye reliably detects zanhtochromia
2. it is present in all CSF at 6 hours
3. it remains in CSF for 2 weeks
4. it is detected with spectrophotometry
Posted Date:-2022-07-25 09:48:56
Which statement is false regarding Bells Palsy?
1.The use of steroids is well proven to decrease duration of illness
2.Steroids are definitely not of use if the presentation is one week post symptom onset
3.The feature that excludes it from an upper motor nerve lesion is the inability to furrow the forehead
4.Other cranial nerves are always normal
Posted Date:-2022-07-25 10:20:55
Which statement is FALSE regarding migraine?
1. pathophysiology involves inflammation of the trigeminovascular system
2.serotonin plays an integral part
3.the aura, if present, should last less than 60 mins and be totally reversible
4.it is typically bilateral, pulsating and occipital
Posted Date:-2022-07-25 09:58:41
Which statement is FALSE regarding other headaches?
1.cluster headaches are short lived lasting 15-180 mins
2. oxygen can releve a majority of cluster headaches
3.temperal arteritis usually produces an ESR of 20
4.temporal arteritis can cause ischemic optic neuritis if left untreated
Posted Date:-2022-07-25 09:59:44
Which statement is incorrect about prophylaxis in meningitis?
1. there is no prophylaxis available for pneumococcus only meningococcus and Hib
2.it does not need to be given to the index case
3.it should include all household contact where there has been close contact eg. Share eating utensils
4. it should be given to the attending medical staff only if they did mouth to mouth
Posted Date:-2022-07-25 10:16:46
Which statement is incorrect regarding meningitis?
1.90% of cases occur in the first 5 years, with peak at 6 months of age.
2.Damage is due to the inflammatory response not bacterial toxins.
3. CT may be normal even in the presence of elevated ICP in up to 45%.
4.LP is always abnormal with bacterial meningitis.
Posted Date:-2022-07-25 09:37:26
Which statement is INCORRECT regarding multiple sclerosis?
1.It is 2-3 times more common in females
2. The most common reported symptom initially is sensory loss.
3.Optic neuritis is usually unilateral can afferent pupillary response may be present.
4.The majority of patients will show plaques on MRI T2 weighted scans.
Posted Date:-2022-07-25 09:27:03
Which statement is incorrect regarding treatment of seizures?
1.Diazepam has the most rapid onset of the BDZ’s.
2.The LD of phenytoin needs to be decreased in renal impairment.
3.. Phenobarbital has duration of action of 3 days.
4.Paraldehyde can be used rectally at a dose of 0.3mls/kg.
Posted Date:-2022-07-25 09:05:13
Which statement is incorrect with regards to non contrast CT in SAH
1.24 hours=95% detection
2.3 days = 75% detection
3.1 week 50% detection
4.1 hour= 100% detection
Posted Date:-2022-07-25 09:47:15
Which statement is INCORRECT with regards to vasospasm in SAH?
1.it usually occurs at day 4-14
2. it effects 30% of pts with SAH
3.it has a 30% morbidity and mortality untreated
4.hypertensive therapy with iv fluids and inotropes is contrindicated
Posted Date:-2022-07-25 09:51:46
Which statement regarding peripheral vertigo is incorrect?
1.Labyrinthitis is the most common cause.
2.BPPV is characterized by a latency period of 1-5 secs between provocative head position and onset of nystagmus.
3. Tinnitus and hearing loss are associated with Meniere’s disease.
4.Vestibular neuronitis is typically non recurring.
Posted Date:-2022-07-25 08:57:11