system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Vitamin B12 deficiency is likely to cause:
assistant
The correct answer is  D i.e. Cetrocecal scotoma Vitamin B12 deficiency is likely to cause optic neuritis; in which most common field defect is central or centro-caecal scotoma Q