A patient with a history of malabsorption presents with symptoms of peripheral neuropathy, which vitamin deficiency is most likely responsible?

A Vitamin B12 ✓
B Vitamin B6
C Vitamin E
D Vitamin D

Explanation

Vitamin B12 deficiency can cause demyelination of peripheral nerves, leading to neuropathy.

Source

Guyton and Hall Textbook of Medical Physiology
Metabolic and Nutritional Disorders Nutritional Disorders Vitamin Deficiencies Hard MEDICAL Confidence: high