Multiple Choice
Which of the following is the most common etiology of B12 deficiency in pernicious anemia?
A) Antibody interference with absorption
B) Patient's inability to split the R factor from B12 in foods
C) Underproduction of B12 in the large intestine
D) Underproduction of B12 in the liver
E) Production of antibodies to intrinsic factor
Correct Answer:
Verified
Correct Answer:
Verified
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