Formative Quiz

A positive Babinski response (upgoing response of big toe to scratch the plantar surface of the foot in an adult) ALWAYS indicates or involves:

An unconscious man is brought into emergency. His eyes open in response to pain and he exhibits a flexion posture in his arms in response to pain, but he does not respond to verbal stimuli. The patient's Glasgow Coma Scale score is:

When examining a patient admitted with sudden onset right-sided weakness which of the following is the best indicator of a stroke of the brainstem?

Which of the following is LEAST CONSISTENT with a diagnosis of schizophrenia?

All of the following are consistent with a diagnosis of post-traumatic stress disorder, EXCEPT

Which of the following BEST exemplifies tertiary prevention of drug-related harm?

The 30 year old taxi driver presents with four weeks of low mood, anhedonia poor sleep and mood congruent 2nd person auditory hallucinations. He stop driving his cap which is the MOST LIKELY diagnosis?

A 22 year old woman presents with a 12 month history of gradually deteriorating function, which she attributes to ongoing voices inside ahead talking about her. She believes the voices represent an organisation that rules the world. Over the past two weeks she has become very depressed. What diagnoses best explains her symptoms?

A post surgical patient on the hospital, who seems to have cognitive impairment and answers "I don't know" to almost all questions asked of her as part of a mental state exam MOST LIKELY has

Mike, a 60 year old man, is brought from work to the emergency department (ED) by ambulance. His coworkers told the ambulance crew that he rose quickly from his chair at the end of a long meeting, took a couple steps, seemed to go rigid and then fell backward. The ambulance crew was caught immediately and by the time they arrive 15 minutes later found the man lying on the couch in the tea room. Semi conscious and very confused. On presentation in Ed about 30 minutes after his for, Mike is lucid and knows where he is, but still somewhat confused. His vital signs are: Heart rate 97. Respiration Rate 14/min Blood pressure 90 / 60 (supine) Temperature 38.5 degrees. When asked, “Do you know why you are here”, he answers “I do not remember much. I was at work and I was standing I blacked out: at least I think I blacked out.” The examining physician hypothesises that Mike has had an epileptic seizure. The MOST LIKELY classification of the seizure described in Mike's presentation is:

All the following conditions can lead to psychotic symptoms EXCEPT:

Which of the following statement in INCORRECT?

The treatment of choice for bipolar depression is:

A 45 year old man presents with a severe headache. On examination, he has a stiff neck and is drowsy. His left eyelid is droopy and covers the left pupil. His left eye has deviated laterally and slightly downwards. It does not move on attempted upward and right gaze. The right eye moves normally.

 

What structure has been damaged to produce these ocular findings? 

 

Which of the following neuroimaging investigations will have the greatest diagnostic yield in terms of differentiating Alzheimer's dementia from Lewy Body Dementia?

A combination of unilateral weakness in the lower facial muscles and the upper and lower limbs is consistent with a lesion in which of the following structures?

A 27-year-old woman presents with an acute headache. She has a three-month history of intermittent headaches but says that this one has lasted for 24 hours, and so she is worried about it. She says that here headaches seem to occur before the start of her menstrual period, are usually on the left side of her head, and she describes them as severe and throbbing. The headaches preceded by a partial loss of her right visual field about 15-20 minutes before the headache starts. She has a past history of oral contraceptive (OCP) use from the age of 15 until 25. On examination, she looks pale and washed out, has normal vital signs and no focal neurological signs. What is the most likely diagnosis?

A 6-year old boy is admitted to the emergency department with a prolonged seizure. A medication of the benzodiazepine class is administered intravenously in an attempt to stop the seizure activity. Benzodiazepines act by:

A patient with oculomotor nerve palsy is LIKELY to show:

Diazepam modulate GABA-A receptor by which of the following mechanism?

A 45 year old male presents with a 'change in personality' as reported by his wife and recent episode of a tonic-clonic seizure. CT scan revealed a frontal mass and the histopathological examination revealed multiple calcifications and cells with a 'fried egg' appearance. What is the LIKELY diagnosis?

The reason dopamine is NOT used as a drug to treat Parkinson's disease is because dopamine:

A 40-year old previously well man presents to his general practitioner at the request of his wife. He describes poor sleep for the past six weeks associated with a low mood, feelings of worthlessness and a lack of interest in hobbies. He has been experiencing some auditory hallucinations for the past two weeks and has just lost his job as a school cleaner. Which of the following disorders is the MOST LIKELY reason for his symptoms.

Albert is a 65 year old hypertensive patient who has presented acutely with difficulty in communication most likely due to a thromboembolic stroke. On examination, it is noted that his speech is fluent, but he does not make any sense and he is unable to carry out simple instructions as he appears not to understand either spoken or written words. This patient is MOST LIKELY to have a lesion in (the):

A 61 year old male died of Alzheimer's disease. Which of the following tissue changes is diagnostic of this disease during post-mortem?

A 14 year old female was rushed to the emergency department with severe headache, fever and vomiting. Diagnosis of meningitis was made after noting inflammatory cells in the cerebral spinal fluid following a lumbar puncture. Which of the following structure is MOST LIKELY to be damaged by the pathogen in this patient?

The MRI scan from a 28 year old man revealed multiple white matter hyperintensities suggestive of brain scars. The cell type which plays a significant role in the formation of this radiological finding is

Ondansetron produces its anti-emetic effect by blocking which of the following receptors?

Which of the following anxiolytic drug acts on serotonergic receptors and does not produce significant sedation like benzodiazepines?

Which of the following features is MOST associated with DEPENDENCE on a substance?

A recognised chronic effect of typical antipsychotic medications is:

A 22 year old man has been brought to the emergency department, accompanied by a police officer has sustained a hand injury during an aggressive outburst after taking methyl ampheramine. Witness said that became very active and agitated after taking the drug and seemed to be experiencing hallucinations. The admitting intern thinks that the man has an acute amphetamine-induced psychosis. Amphetamine psychosis results in disturbed behavior patterns by which one of the following mechanisms?

A patient who presents with amnesia is MOST LIKELY to have diminished function in the

What is the initial treatment of choice for mild to moderate depression?

In a patient with suspected depression, which of the following actions would MOST LIKELY support an alternate diagnosis of bipolar disorder?

A combination of sensory loss of taste on the anterior tongue and facial paralysis are consistent with a lesion in which of the following structures?

In addition to having experienced a traumatic event in the past, which of the following symptoms would differentiate post-traumatic stress disorder from other anxiety disorders?

What is the cardinal feature of delirium?

Which of the following is an example of a non-glial cell tumour in the brain?