Organic Brain Syndromes MCQ Quiz | Medical Psychiatry

1. The most characteristic feature of delirium is:

2. A 75-year-old male is brought to the ER with acute confusion, visual hallucinations, and agitation. His symptoms worsen at night. He has a history of a recent urinary tract infection. What is the most likely diagnosis?

3. Wernicke-Korsakoff syndrome is caused by a deficiency of which vitamin?

4. Which of the following is a core feature of Dementia with Lewy Bodies (DLB)?

5. The primary pathological hallmarks of Alzheimer’s disease are:

6. Which of the following best describes the cognitive decline in vascular dementia?

7. Confabulation is a characteristic feature of which condition?

8. A key difference between delirium and dementia is that delirium:

9. Which neurotransmitter is most commonly implicated in the pathology of Alzheimer’s disease?

10. An EEG showing generalized slowing is most consistent with which condition?

11. A 68-year-old man with a history of hypertension and diabetes presents with memory problems. His wife reports that his decline occurred in distinct episodes, with periods of stability in between. Which diagnosis is most likely?

12. The classic triad of Wernicke’s encephalopathy is:

13. Which of the following medications is a cholinesterase inhibitor used in the treatment of Alzheimer’s disease?

14. ‘Sundowning’ in dementia refers to:

15. The primary deficit in amnestic disorders is:

16. Hepatic encephalopathy can present with a characteristic motor sign known as:

17. Which of the following is considered a reversible cause of dementia?

18. The Mini-Mental State Examination (MMSE) is a tool used to:

19. A patient with dementia has difficulty finding words and often uses circumlocution. This is an example of:

20. Which of the following conditions is characterized by early personality changes, disinhibition, and executive dysfunction?

21. In managing a delirious patient, the first-line approach should be:

22. The term “pseudodementia” refers to cognitive impairment associated with:

23. A patient with HIV is noted to have psychomotor slowing, apathy, and impaired executive function. This presentation is most suggestive of:

24. Post-concussive syndrome following a mild traumatic brain injury typically includes all of the following EXCEPT:

25. Patients with Dementia with Lewy Bodies (DLB) are particularly sensitive to the side effects of which class of medication?