1000+ Basics of Neurology Multiple Choice Question Answer [Solved]

1. Topic: Horner's Syndrome
Subject: Medicine
A 70-year-old man presented with ptosis, myosis and anhydrosis on the left side. Which one of the following is the most likely cause of this condition?
A. Tumour induced exophthalmos
B. Fourth cranial nerve palsy
C. Apical pulmonary carcinoma
D. Enlarged thyroid gland
Answer : C

2. Topic: Adverse Drug Effect
Subject: Medicine
During the morning rounds, a second year resident presents a patient as a 58-year-old female who suffers from rigidity and tremors. She has been diagnosed with a neurodegenerative disease involving the depigmentation of substantia nigra and loss of dopaminergic input to basal ganglia. Identify the medication that would worsen rather than improve this patient's condition?
A. Levodopa
B. Bromocriptine
C. Chlorpromazine
D. Pergolide
Answer : C

3. Topic: Absence Seizures
Subject: Medicine
The treatment of choice for absence seizures is:
A. Lamotrigine
B. Ethosuximide
C. Phenobarbital
D. Phenytoin
Answer : B

4. Topic: Horner's Syndrome
Subject: Medicine
A 70-year-old man presented with ptosis, myosis and anhydrosis on the left side. Which one of the following is the most likely cause of this condition?
A. Tumour induced exophthalmos
B. Fourth cranial nerve palsy
C. Apical pulmonary carcinoma
D. Enlarged thyroid gland
Answer : C

5. Topic: Foot Drop
Subject: Medicine
During the physical exam of a patients foot, you notice an inability to dorsiflex. What nerve root(s) is most likely affected?
A. T12
B. L1
C. L2
D. L4 - L5
Answer : E

6. Topic: Seizure
Subject: Medicine
A 68-year-old man with a history of urolithiasis, suffered from a seizure attack which involved loss of consciousness with tonic and clonic muscular contractions. His tongue fell back into his throat and he choked.
Which of the following medications is contraindicated in this patient's treatment?
A. Levetiracetam
B. Phenytoin
C. Topiramate
D. Carbamazepine
Answer : C

7. Topic: Heatstroke
Subject: Medicine
A 72-year-old male is brought to your office by a friend because of increasing confusion, irritability, and difficulty walking. This began shortly after the patients car broke down and he had to walk a mile to get to a phone and call the friend. The temperature outdoors has been near 39.5°C (100°F).
On examination you note a rectal temperature of 39.5°C (103.1°F). His pulse rate is 110 beats/min and his blood pressure is 100/60 mm Hg.
Which one of this patients findings indicates that he has heatstroke rather than heat exhaustion?
A. Confusion
B. Sweating
C. His temperature
D. His heart rate
Answer : A

8. Topic: DM neuropathy
Subject: Medicine
In which of the following diseases would you see a gloves and stocking neuropathy?
A. Diabetes mellitus
B. Lupus
C. Multiple sclerosis
D. ALS
Answer : A

9. Topic: Alzheimer's Disease
Subject: Medicine
A 62 year old woman has demonstrated increasing loss of recent memory over a 5 year period, now associated with reduced affect and nominal dysphasia. She dresses neatly and social amenities are preserved. There are no localizing motor or sensory findings.
Which one of the following is the most likely diagnosis?
A. Cerebral vascular disease
B. Hydrocephalus
C. Huntington's disease
D. Alzheimer's disease
Answer : D

10. Topic: MMSE
Subject: Medicine
The Mini-Mental State Examination (MMSE) tests for:
A. Mood
B. Behavior
C. Intelligence quotient
D. Cognitive function
Answer : D

11. Topic: Essential Tremor
Subject: Medicine
A 66 year old white female consults you because she has developed a tremor of her right hand that interferes with her ability to do needlework. She has noticed that the tremor improves when she rests her hands in her lap and gets worse when she holds them up against gravity. She has developed a slight quiver to her voice as well. Her symptoms started gradually over 6 months ago and have progressed slowly. She remembers her mother having similar problems in her later years. She takes no medications, and her physical examination corroborates her history. No other abnormalities are noted. A multiple chemistry screen and TSH level are normal.
Which one of the following is most likely to alleviate her tremor?
A. Propranolol (Inderal)
B. Paroxetine (Paxil)
C. Carbidopa/levodopa (Sinemet)
D. Bromocriptine (Parlodel)
Answer : A

12. Topic: Seizure
Subject: Medicine
A 52-year-old male with a history of seizure attacks suffered from loss of consciousness and tonic and clonic muscular contractions. His tongue fell back into the throat and he choked. What is the most likely diagnosis of this presentation?
A. Petit mal seizure
B. Grand mal seizure
C. Myoclonic seizure
D. Atonic seizure
Answer : B

13. Topic: Delirium Tremens
Subject: Medicine
A patient with delirium tremens manifests all of the following, except:
A. Clouded consciousness
B. Hypothermia
C. Coarse tremor
D. Tachypnea
Answer : B

14. Topic: Cauda Equina Syndrome
Subject: Medicine
A 65-year-old male presents with a 1-month history of problems passing urine. He says that his bladder will feel full when he needs to urinate, but the urine stream is weak and his bladder does not feel as if it has emptied completely. The symptoms have become increasingly severe over the past week. Other symptoms include upper respiratory congestion for 3 days which he has treated with an over-thecounter decongestant with some relief, constipation with no passage of stool in the past 9 days, and increasing low back pain incompletely relieved with ibuprofen, with asociated weakness in both legs. Examination shows a healthy-appearing male who is moderately overweight. He is afebrile and vital signs are normal. There is no abdominal tenderness and no masses are detected. A rectal examination reveals a large amount of hard stool in the rectum; a markedly enlarged (4+), boggy, tender prostate gland; laxity of the anal sphincter; and numbness in the perianal area. Urinalysis shows trace protein and 10-20 WBCs/hpf. Ultrasonography shows a post-void residual volume of 250 mL (normal for age <100).
Which one of the following must be done urgently in this patient?
A. Foley catheterization
B. Hospitalization for intravenous antibiotics
C. Digital disimpaction of the rectum, and Fleet enemas until clear
D. MRI of the lumbosacral spine
Answer : D

15. Topic: Glasgow Coma Scale
Subject: Medicine
A 27 year old man is brought into the ER after a bicycling accident. A car door suddenly opened in front of him, of which he smashed into and was thrown 15 feet. On examination, he is drowsy and confused. He opens his eyes when his name is called. When he speaks, you understand his words but the sentences do not make sense. He moves all four limbs but does not respond to any commands. He is able to pull both hands away when pinched and squirms when his sternum is rubbed, making no effort to stop you.
What is his Glasgow Coma Scale score?
A. 11
B. 10
C. 9
D. 8
Answer : B

16. Topic: Peripheral Neuropathy
Subject: Medicine
A 68-year-old male presents to your department complaining of a very horrible sensation in his legs that started out 4 weeks ago as pins and needles tickling him but now has progressed and feels like being stabbed in his feet. He has started to use a walker because he feels that when he walks it feels like stepping on eggshells. The pain has not been responsive to acetaminophen and ibuprofen. The patients past medical history is significant for diabetes type II treated with metformin and glimepiride. The patient has not been very compliant with medications, especially metformin because he feels it causes him an upset stomach. His most recent HbA1C level was 9.8%. He also has hypercholesterolemia treated with lovastatin and hypertension treated with Lisinopril and amlodipine. His vital signs are temperature 37.4°C, BP is 125/70 mmHg, pulse 85/min, and respirations 15/min. The dorsalis pedis and posterior tibial pulses are +2 bilaterally. No distal muscles weakness or atrophy is observed. Manual esthesiometer with monofilaments is used and reveals decreased sensation from the midfoot distally on both feet. There is no evidence of erythema, edema, or any wounds on either foot. He has tenderness to light touch on both feet. Labs reveal normal Vitamin B12 and thyroid function.
Which of the following would be the most appropriate treatment for this patients pain?
A. Daily metformin compliance
B. Metoclopramide
C. Pregabalin
D. Alpha lipoic acid
Answer : C

17. Topic: Alzheimer's Disease
Subject: Medicine
Which one of the following tests is most useful for the initial workup of suspected Alzheimers disease?
A. Carotid Doppler ultrasonography
B. An erythrocyte sedimentation rate
C. A cardiac stress test
D. A TSH level
Answer : D

18. Topic: Delirium Tremens
Subject: Medicine
You see a 49-year-old man in the emergency room with a 20-year-history of alcohol abuse. He is agitated and floridly psychotic, with visual hallucinations and persecutory delusions. On examination his blood pressure, heart rate and respiratory rate are all increased. He is disoriented, sweaty, and has abdominal cramps.
What is the most likely diagnosis?
A. Subdural hematoma
B. Alcohol intoxication
C. Hepatic encephalopathy
D. Delirium tremens
Answer : D

19. Topic: Postherpetic Neuralgia
Subject: Medicine
When given during acute herpes zoster (varicella) infection, which one of the following drugs has been shown to reduce the incidence of postherpetic neuralgia?
A. Imipramine (Tofranil)
B. Capsaicin (Zostrix)
C. Amitriptyline
D. Acyclovir (Zovirax)
Answer : D

20. Topic: Huntington disease
Subject: Medicine
A 42-year-old white male is brought to your department by his wife because of the progressive loss of his mental abilities, irritability, and some irregular involuntary movements of his hands. She says that she can remember when they were newlyweds, her husbands father had a similar condition at the age of 45 and he died few years later because there was not much doctors could do for him back then. She wants to know if their children may eventually develop a similar condition in the future. None in her family has ever had this type of condition. Which of the following would be the most appropriate answer?
A. Only their male children are at risk
B. If one child develops the disease, siblings are not at risk
C. All their children will inherit the disease
D. Each child has 50% risk of inheriting the disease
Answer : D

21. Topic: Neurologic pain
Subject: Medicine
A 21-year-old man presented to the emergency hospital with severe abdominal pain. The pain started four hour ago. His medical history reveals Acute Intermittent Porphyria (AIP) and he used to have frequent attacks of abdominal pain and believes that this attack is no different. On examination, the patient is in acute pain and slightly feverish but not pale, jaundiced or cyanosed. However, his blood pressure is found to be high and he has tachycardia.
You should consider a diagnosis other than an AIP attack if the pain is associated with:
A. Constipation
B. Tenderness
C. Abdominal distension
D. Decreased bowel sounds
Answer : B

22. Topic: Trigeminal Neuralgia
Subject: Medicine
A 55-year-old man complains of extremely severe, sharp, shooting pain in his face. He describes the episodes as being like a bolt of electricity that are brought about by touching a specific area, last about 60 seconds, and occur many times during the day. Neurologic examination is completely normal, but it is noted that part of his face is unshaven because he fears to touch that area. Gadoliniumenhanced MRI shows no abnormalities of the trigeminal nerve.
Which of the following is the most appropriate initial treatment?
A. Anticonvulsants
B. Aspirin
C. Nonsteroidal anti-inflammatory drugs
D. Vasoconstrictors
Answer : A

23. Topic: Bell's Palsy
Subject: Medicine
A 53-year-old male accountant comes to your office with progressive facial weakness on the left side that began yesterday. He also reports pain behind the left ear and decrased lacrimation from the left eye. He has been in good health and had his yearly physical examination 1 week ago, which was normal. His lipid levels, chemistry profile, and CBC were all normal. He has not been involved in any outdoor activities, nor does he engage in any high-risk sexual behavior. On examination, there is flattening of the left nasolabial fold and decreased ability to close the left eye. The mouth appears to be drawn to the right. The remainder of his general examination and neurologic examination are normal.
Which one of the following would be the most appropriate management at this time?
A. Carotid ultrasonography
B. High-resolution CT
C. MRI with gadolinium enhancement
D. Prednisone and valacyclovir (Valtrex)
Answer : D

24. Topic: Seizure
Subject: Medicine
A 52-year-old male with a history of seizure attacks suffered from loss of consciousness and tonic-clonic muscular contractions. His tongue fell back into his throat and he choked.
What is the medication of choice for the treatment of this patient's condition?
A. Phenytoin
B. Valproic acid
C. Tiagabine
D. Phenobarbital
Answer : B

25. Topic: Subarachnoid Hemorrhage
Subject: Medicine
A 25-year-old male presents 5 hours after the onset of the worst headache of my life. His temperature is 37.0°C (98.6°F), blood pressure 140/90 mm Hg, respiratory rate 20/min, and pulse rate 90 beats/min. The patient is lethargic but oriented; there are no focal neurologic findings, but neck stiffness is present. Unenhanced CT of the head is negative. You elect to perform a lumbar puncture. At this time, which one of the following findings in bloody spinal fluid would indicate a diagnosis of subarachnoid hemorrhage?
A. Yellow-orange cerebrospinal fluid supernatant
B. A WBC:RBC ratio of 1/1000
C. A protein (g/L) to RBC (count/L) of 1/1000
D. A glucose level below 2.2 mmol/L
Answer : A

26. Topic: Adverse Drug Effect
Subject: Medicine
A 68-year-old man with a history of urolithiasis, suffered from a seizure attack which involved loss of consciousness with tonic and clonic muscular contractions. His tongue fell back into his throat and he choked. He is treated with valproic acid.
What are the most common side effects caused by this medication?
A. Weight gain
B. Rash
C. Nausea and headache
D. Tardive dyskinesia
Answer : C

27. Topic: Temporal Arteritis
Subject: Medicine
A 75-year-old female presents with a 2-month history of bilateral headache, diffuse myalgias, and diplopia. On examination she has substantially diminished vision in her left eye, but no other neurologic findings. A moderately tender, cordlike structure is palpable just anterior to her ear and extending up to her lateral scalp. Blood tests show a markedly elevated erythrocyte sedimentation rate.
Which one of the following would be most appropriate at this point?
A. Clopidogrel (Plavix)
B. High-dose corticosteroids
C. NSAIDs
D. Dipyridamole/aspirin (Aggrenox)
Answer : B

28. Topic: Guillain-Barr� syndrome
Subject: Medicine
A 43-year-old man presents 2 weeks after you see him for infectious diarrhea caused by C. jejuni. He has now developed bilateral proximal lower limb weakness and bilateral distal parasthesia and decreased ankle tendon reflex.
What is the most likely diagnosis?
A. Guillain-Barr� syndrome
B. Multiple Sclerosis
C. Myasthenia Gravis
D. Systemic Lupus Erythematosus
Answer : A

29. Topic: Normal Pressure Hydrocephalus
Subject: Medicine
A 76-year-old male is brought to your office by his son. The patient complains of dizziness that has slowly been worsening over the past year. His description is vague, but he says that he notices the dizziness when he tries to walk. The review of systems is normal, except for increasing problems with his prostate in the last 6 months, with dribbling and accidents at times. The patient admits to going more often, and sometimes without warning. The son states that his father seems more forgetful, slower of speech, and not as full of life as he used to be. A neurologic examination reveals the patient to be oriented x 3, with a somewhat flat affect and a wide-based, slow, shuffling gate. The examination is otherwise normal. His Mini-Mental State Examination (MMSE) score is 22 out of 30. No tremor is noted. A CBC, creatinine level, TSH level, vitamin B12 level and VDRL are all normal.
Which one of the following should you do next?
A. Order a brain MRI
B. Prescribe sertraline (Zoloft)
C. Prescribe carbidopa/levodopa (Sinemet)
D. Order physical therapy
Answer : A

30. Topic: Status Epilepticus
Subject: Medicine
A 58-year-old male with a history of seizure attacks suffered from a 30min loss of consciousness with repetitive seizures with no recovery of consciousness between attacks. What is the best initial treatment for his condition?
A. Lorazepam
B. Phenytoin
C. Phenobarbital
D. Carbamazepine
Answer : A

31. Topic: Diagnostic Investigations
Subject: Medicine
A 52 year old male with a history of psychosis presents with muscle stiffness and resting tremors, associated with difficulty in balance and initiating movements. What is the best diagnostic method for detection of the above condition?
A. Serum dopamine levels
B. Computed tomography scan
C. Positron emission tomography scan
D. Magnetic resonance imaging
Answer : C

32. Topic: Temporal Lobe Lesion
Subject: Medicine
A 40 year old man presents with sporadically occurring behaviour automatisms and olfactory hallucinations. Which one of the following is the most likely diagnosis?
A. Schizophrenia
B. Schizophreniform psychosis
C. Hysterical personality disorder
D. Temporal lobe lesion
Answer : D

33. Topic: Essential Tremor
Subject: Medicine
Which one of the following is most likely to be of benefit in patients with essential tremor of the hand?
A. Isoniazid
B. Diazepam
C. Primidone
D. Clonidine
Answer : C

34. Topic: Seizure
Subject: Medicine
Of the following, which is the most frequent cause of seizures in the elderly?
A. Alcohol withdrawal
B. Stroke
C. Head trauma
D. Hypoglycemia
Answer : B