Chronic Alcoholic with memory loss...

 A chronic alcoholic develops severe memory loss with marked confabulation. Deficiency of which of the following vitamins would be most likely to contribute to the neurologic damage underlying these symptoms?

A. Folic acid
B. Niacin
C. Riboflavin
D. Thiamine
E. Vitamin B12

A 25year old female presents with 2year history of repetitive, irresistible thoughts of contamination with dirt associated with repetitive hand washing.

A 25year old female presents with 2year history of repetitive, irresistible thoughts of contamination with dirt associated with repetitive hand washing. She reports these thoughts to be her own and distressing; but is not able to overcome them along with medications. She is most likely to benefit from which of the following therapies:
1. Exposure and response prevention.
2. Systematic desensitization.
3. Assertiveness training.
4. Sensate focusing.