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NEST2018BiologyDigestion and Absorption

A person had therapeutic surgery, which removed part of his stomach. Later, he started suffering from pernicious anemia. Biochemical tests showed that he had vitamin B12 deficiency. The most plausible cause for this deficiency is

Options

  1. ALoss of parietal or oxyntic cells.
  2. BLack of vitamin B12 producing intestinal cells.
  3. CLoss of peptic or chief cells.
  4. DLoss of goblet cells.

Correct answer

A. Loss of parietal or oxyntic cells.

Step-by-step solution

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