This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Organic Mental Disorders, Subject name: Psychiatry
Vascular dementia is characterized by: a. Disorientation b. Memory deficits c. Emotional lability d. Visual hallucinations e. Personality deterioration 
Select and explain. 
A. all of the above, B. a,b,c,d, C. a,b,e, D. b,c,d
B: a,b,c,d
Answer: B: a,b,c,d 
Explanation: Vascular dementia presents with memory loss, mood changes (depression, irritability, emotional lability), delusions and hallucinations confusion and disorientation. Personality changes are more commonly associated with frontotemporal dementia