Home
Current Affairs January 2024

What is the correct answer?

4

Topic: Dementia
Subject: Medicine
All of the following dementias can benefit from specific treatments, except:

A. Normal pressure hydrocephalus (NPH)

B. Alzheimers disease

C. Sarcoidosis

D. Creutzfeldt Jakob disease

Correct Answer :

D. Creutzfeldt Jakob disease


The dementias associated with NPH (normal pressure hydrocephalus), Alzheimer's, sarcoidosis, and vitamin B12 deficiency can be either cured or benefit from the following treatments: shunting of the ventricles in NPH; acetylcholinesterase inhibitors such as donepezil, rivastigmine and tacrine for Alzhiemer's; vitamin B12 replacement for B12 deficiency. Currently, CreutzfeldtJakob disease (CJD) cannot be cured, and its progress cannot be slowed. The disease is fatal, usually within months or a few years.

Related Questions

What is the correct answer?

4

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

What is the correct answer?

4

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

What is the correct answer?

4

Topic: Intracranial Hemorrhage
Subject: Medicine
The most significant risk factor for spontaneous intracerebral hemorrhage is:

A. Atrial fibrillation

B. Cigarette smoking

C. Excessive alcohol use

D. Hypertension

What is the correct answer?

4

Topic: Osmotic Demyelination
Subject: Medicine
Osmotic demyelination can result when which one of the following is corrected too rapidly?

A. Hypocalcemia

B. Hypoglycemia

C. Hypomagnesemia

D. Hyponatremia

What is the correct answer?

4

Topic: Seizure
Subject: Medicine
A patient is on carbamazepine for his new onset seizures. He has now had 3 attacks in last 2 weeks. His serum level of carbamazepine is within the therapeutic range.
What is the next step in management?

A. Repeat CT scan and EEG

B. Add another agent (eg. Phenytoin)

C. Re-check carbamazepine level in 2 weeks

D. Check CBC, CMP and TSH/FT4

What is the correct answer?

4

Topic: Dementia
Subject: Medicine
All of the following dementias can benefit from specific treatments, except:

A. Normal pressure hydrocephalus (NPH)

B. Alzheimers disease

C. Sarcoidosis

D. Creutzfeldt Jakob disease

What is the correct answer?

4

Topic: Horner's Syndrome
Subject: Medicine
A 66-year-old diabetic man presents with constriction of the pupil, drooping of the upper lid, and anhidrosis on the left. Which one of the following nerves is most likely involved?

A. Oculomotor

B. Sympathetic

C. Trochlear

D. Trigeminal

What is the correct answer?

4

Topic: Normal Pressure Hydrocephalus
Subject: Medicine
A previously alert, otherwise healthy 74-year-old black male has a history of slowly developing progressive memory loss and dementia associated with urinary incontinence and gait disturbance resembling ataxia.
This presentation is most consistent with:

A. Normal pressure hydrocephalus

B. Alzheimers disease

C. Subacute sclerosing panencephalitis

D. Multiple sclerosis

What is the correct answer?

4

Topic: Benign Positional Vertigo
Subject: Medicine
Which one of the following is characteristic of benign positional vertigo?

A. A duration of 10-15 minutes

B. Associated hearing loss and tinnitus

C. Associated diplopia and facial numbness

D. Being triggered by turning the head

What is the correct answer?

4

Topic: Cholinergic Toxidrome
Subject: Medicine
A 37 year old male arrives at the Emergency Department unconscious. He is warm and sweaty. His heart rate is 52 bpm, his BP is 90/60. His pupils are constricted, his eyes are teary, and he is drooling. You assume he is suffering from a toxidrome.
What antidote will you give him?

A. Flumazenil

B. Naloxone

C. Glucagon

D. Atropine

What is the correct answer?

4

Topic: Seizure
Subject: Medicine
A 52-year-old man with a history of seizure attacks suffered from loss of consciousness and tonic and clonic muscular contractions. His tongue fell back into his throat and he choked. What is the best diagnostic test for assessment of the presenting condition of this patient?

A. X-rays

B. CT-Scan

C. Electroencephalogram

D. Discography

What is the correct answer?

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

What is the correct answer?

4

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

What is the correct answer?

4

Topic: Huntington Chorea
Subject: Medicine
A patient previously diagnosed with Huntington chorea (HC) comes for a family planning consult with his wife. He states that his father had the disease and his mother was unaffected. They ask you what is the likelihood having a son with this condition?

A. Zero

B. 25%

C. 50%

D. 75%

What is the correct answer?

4

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

What is the correct answer?

4

Topic: Adverse Drug Effect
Subject: Medicine
Which one of the following is most associated with falls in older adults?

A. Diphenhydramine (Benadryl)

B. Atorvastatin (Lipitor)

C. Metformin (Glucophage)

D. Memantine (Namenda)

What is the correct answer?

4

Topic: Status Epilepticus
Subject: Medicine
A 58-year-old male with a history of seizure attacks suffered from a 30 min loss of consciousness with repetitive seizures with no recovery of consciousness between attacks. What is the disorder this patient is suffering from?

A. Tonic-clonic seizure

B. Absence seizure

C. Atonic seizure

D. Status epilepticus

What is the correct answer?

4

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

What is the correct answer?

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

What is the correct answer?

4

Topic: Temporal Arteritis
Subject: Medicine
A 70-year-old woman returns to the office because of aching and weakness in her arms to the point where she cannot lift her arm to brush her hair. Physical examination shows no muscle tenderness or other evidence of joint disease in both arms. The aching improves when she takes the prescribed nonsteroidal anti-inflammatory drug (NSAID). She also describes tenderness over the right temporal area of her scalp. Physical examination of the scalp shows no lesions.
Which of the following is the most appropriate next step?

A. Increase the dose of the NSAID

B. Order determination of erythrocyte sedimentation rate

C. Order determination of serum rheumatoid factor

D. Order x-ray films of the cervical spine

What is the correct answer?

4

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

What is the correct answer?

4

Topic: Status Epilepticus
Subject: Medicine
Which one of the following should be given intravenously in the initial treatment of status epilepticus?

A. Propofol (Diprivan)

B. Phenobarbital

C. Lorazepam (Ativan)

D. Midazolam (Versed)

What is the correct answer?

4

Topic: Alzheimer's Disease
Subject: Medicine
Which one of the following is associated with an increased risk of developing Alzheimers disease?

A. A positive homozygous genotype for apolipoprotein E4

B. Elevated serum aluminum

C. Elevated serum alpha-tocopherol

D. Decreased serum Beta-carotene

What is the correct answer?

4

Topic: Brain Death
Subject: Medicine
A 57-year-old white male with coronary artery disease suffered a cardiac arrest while jogging 10 days ago. He was resuscitated after 45 minutes but has remained unresponsive and on a ventilator since then.
Which one of the following is required to diagnose brain death in this patient?

A. Hypothermia

B. Continuous mechanical ventilation

C. The absence of spontaneous body movements

D. Electroencephalographic confirmation

What is the correct answer?

4

Topic: Seizure
Subject: Medicine
A 75-year-old male is brought to your office 1 month after a stroke that involved the left anterior cerebral artery, manifested by leg weakness, initial incontinence, and slowness in mentation. He experienced seizure activity on the second day after his stroke, but this was controlled by phenytoin (Dilantin). He has improved significantly and is now ambulatory. His family states that he now has episodic confusion, sleepiness, and clumsiness, which is preceded by paresthesias and dizziness, although no tonicclonic activity has been noted. He remains very drowsy for several hours after these episodes. He was wearing a cardiac monitor during one episode, but it showed nothing remarkable. His phenytoin level is therapeutic, and a CBC, metabolic profile, and magnesium level are all normal.
Which one of the following would be the most appropriate next step?

A. Discontinue the phenytoin

B. Add phenobarbital to the phenytoin

C. Begin bupropion (Wellbutrin)

D. Begin lamotrigine (Lamictal)

What is the correct answer?

4

Topic: Dementia
Subject: Medicine
An 85 year old white male is brought to you for the first time by his son. The father has recently seen a neurologist who performed a workup for dementia and diagnosed moderate Alzheimers disease. Which one of the following is true regarding the use of a cholinesterase inhibitor in this patient?

A. It is too late to initiate cholinesterase therapy

B. Agitation is often intensified by these agents

C. Memory is likely to improve significantly

D. Nursing-home placement may be delayed a year or longer

What is the correct answer?

4

Topic: Brown-Sequard Syndrome
Subject: Medicine
Which of the following would not be expected in a right-sided Brown-S�quard syndrome?

A. Right-sided hemi-paresis

B. Right-sided loss of proprioception

C. Left-sided decreased sensitivity to pinprick

D. Left-sided decreased vibration sense

What is the correct answer?

4

Topic: Brain Death
Subject: Medicine
A 35 year old man has been on life support systems for the past 48 hours following blunt head trauma. Which of the following is the most important criterion to declare the patient brain dead and to permit removal of life support systems?

A. Bedside EEG showing no electrical activity

B. Decorticate and decerebrate posturing

C. Failure to respond to electroconvulsive stimuli

D. Glasgow coma score of 3 or less

What is the correct answer?

4

Topic: Alzheimer's Disease
Subject: Medicine
An 84-year-old black female is brought to your office by her daughter, who is concerned that the mother has memory problems and is neglecting to pay her monthly bills. The mother also is forgetting appointments and asks the same questions repeatedly. This problem has been steadily worsening over the last 1-2 years. The patient has very little insight into her problems, scores 24 out of a possible 30 points on the Mini-Mental State Examination, and has difficulty with short-term recall and visuospatial tasks. Her physical examination and a thorough laboratory workup are normal. A CT scan of the brain reveals diffuse atrophy. Which one of the following is the most likely etiology for the patients memory problem?

A. Alzheimers disease

B. Dementia resulting from depression

C. Lewy body dementia

D. Multi-infarct dementia

What is the correct answer?

4

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