Neurology Quiz | Neurology Multiple Choice Questions with Answers

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Questions
61 A 27 year-old male presents with 3 months of difficulty walking. Examination reveals motor weakness of left leg in a pyramidal distribution with increase in tone. Impaired pinprick sensation of right leg extending into the groin. What is the cause of these signs?
A A central cauda equina lesion.
B A cervical spinal cord lesion.
C A foramen magnum lesion.
D A left sided thoracic spinal cord lesion.

Answer: A left sided thoracic spinal cord lesion.
62 Psychiatric illness rather than an organic brain disorder is suggested by:
A Onset for the first time at the age of 55 years
B A family history of major psychiatric illness
C Impaired short term memory
D No previous history of psychiatric illness

Answer: A family history of major psychiatric illness
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63 Which of the following would be the result of a spinal lesion at the level of C8?
A a reduced brachioradialis reflex
B inability to abduct the shoulder
C winging of the scapula
D weakness of finger flexion

Answer: weakness of finger flexion
64 A 50-year-old man presented with 18 months history of parasthesiae of his feet and hands. On examination there is numbness of glove and stocking distribution with generalised hyporeflexia. Nerve conduction studies revealed demyelinative sensory polyneuropathy. Which of the following conditions is the most likely diagnosis?
A Alcohol abuse
B Diabetes
C Chronic inflammatory demyelinating polyneuropathy
D Vasculitis

Answer: Chronic inflammatory demyelinating polyneuropathy
65 Which of the following statements about the spinal cord is true?
A A lesion of the left side of the spinal cord at C5 causes pyramidal weakness of the right leg
B Centrally placed spinal cord lesions affect joint position sense before other modalities of sensation
C Conus medullaris lesions characteristically cause mixed upper and lower motor neurone signs in the legs
D The spinothalamic tracts are supplied principally by the anterior spinal artery

Answer: The spinothalamic tracts are supplied principally by the anterior spinal artery
66 A right carotid artery stenosis could not account for:
A Contralateral hemiplegia
B Contralateral hemisensory loss
C Drop attacks
D Dysphasia

Answer: Drop attacks
67 Which is true regarding cerebral palsy?
A The incidence is 2 per 100 live births.
B Visual impairement occurs in 50%.
C Hearing loss is present in 5%.
D Epilepsy is present in 40%.

Answer: Epilepsy is present in 40%.
68 A 45-year-old man has a history of progressive weakness for 5 weeks. He had particular difficulty getting out of the bath. On examination there was severe truncal and proximal limb weakness, without wasting or fasciculation. Tendon reflexes, plantar and sensation were all normal. The vital capacity was 1.8L. What is the most likely diagnosis?
A cervical myelitis
B Guillain-Barre syndrome
C polio
D polymyositis

Answer: polymyositis
69 An 18 year old man presented with a history of a sudden onset of a frontal headache and photophobia. He had neck stiffness and a temperature of 38°C. Which one of the following findings would suggest a diagnosis of subarachnoid haemorrhage rather than bacterial meningitis?
A a blood neutrophil leucocytosis
B a family history of polycystic renal disease
C a fluctuating conscious level
D a history of diabetes mellitus

Answer: a family history of polycystic renal disease
70 54 year old female is admitted with progressive weakness following a trivial flu-like illness. Which of the following would exclude Guillain-Barre Syndrome as the diagnosis?
A Autonomic dysfunction
B Elevated protein on CSF examination
C Evidence of muscle wasting
D Sensory level below D1

Answer: Sensory level below D1
71 A 30-year-old female presents to the eye clinic with an acute history of pain and blurring in the right eye. Examination reveals a visual acuity of 6/36 in the right eye but 6/6 in the left eye, a central scotoma in the right eye, with a right swollen optic disc. What is the most likely diagnosis?
A Compression of the optic nerve
B Cavernous sinus thrombosis
C Glaucoma
D Optic neuritis

Answer: Optic neuritis
72 Which ONE of the following is associated with Parkinsonian features?
A Chronic carbon dioxide retention
B Kernicterus
C Lead poisoning
D Wilson's disease

Answer: Wilson's disease
73 A broad-based ataxic gait occurs characteristically with:
A proximal myopathy
B basal ganglia lesion
C right-sided cerebral infarction
D phenytoin toxicity

Answer: phenytoin toxicity
74 Chronic subdural haematoma in a 75-year-old man is NOT associated with the presence of:
A hemiparesis
B internuclear ophthalmoplegia
C impaired cognitive function
D fluctuating level of consciousness

Answer: internuclear ophthalmoplegia
75 Frontal lobe brain damage is associated with:
A astereognosis
B auditory agnosia
C dressing apraxia
D perseveration

Answer: perseveration
76 A 22 year old female presents with a month history of episodic, brief visual loss affecting the right eye. Over the last one year she had gained a considerable amount of weight. Examination reveals a BMI of 35, with bilateral optic disc swelling, worse on the right and small retinal haemorrhages on the right. What is the most likely diagnosis?
A benign intracranial hypertension
B Craniopharyngioma
C Graves' Ophthalmopathy
D Optic neuritis

Answer: benign intracranial hypertension
77 A patient presented with a quadrantic hemianopia. Which of the following conditions is most likeley to cause such a presentation?
A a lesion of the occipital cortex
B a lesion of the optic chiasma
C bilateral diabetic retinopathy
D chloroquine poisoning

Answer: a lesion of the occipital cortex
78 A 21 year old man recovered from the immediate effects of a head injury sustained in a motor cycle accident three months previously. Which one of the following is the most likely delayed consequence of severe traumatic brain injury?
A Episodic hypersomnia
B Multiple obsessional symptoms
C Outbursts of aggressive behaviour
D Persistent anxiety

Answer: Persistent anxiety
79 A 70-year-old female patient presents with 2 months history of apathy, withdrawal, urinary and faecal incontinence and anosmia. The most likely anatomical site of the neurological lesion is at the:
A frontal lobe
B parietal lobe
C temporal lobe
D occipital lobe

Answer: frontal lobe
80 Causes of a small pupil include:
A Carbon Monoxide Poisoning
B Ethylene Glycol Poisoning
C Holme's Adie pupil
D Pontine haemorrhage

Answer: Pontine haemorrhage
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