Question
Physiology Question on Gastrointestinal system
A 50-year-old man presents with paresthesia HB-6.8g/dl. Peripheral smear shows macrocytosis and neutrophils with hypersegmented nuclei. Endoscopy reveals atrophic gastritis. A most probable diagnosis is
A
Folate deficiency
B
Vitamin B12 deficiency
C
Riboflavin deficiency
D
Iron deficiency
Answer
Vitamin B12 deficiency
Explanation
Solution
The correct option is (B): Vitamin B12 deficiency.