An older adult patient, diagnosed with pernicious anemia, asks the nurse what causes this disorder. The nurse's best response is that there is a lack of intrinsic factor secreted needed for absorption of vitamin B12 where?
A) Large bowel
B) Lower esophagus
C) Stomach
D) Small bowel
D
Feedback:
Intrinsic factor, also secreted by the gastric mucosa, combines with dietary vitamin B12 so that the vitamin can be absorbed in the ileum, located in the small bowel. Other options are incorrect.
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Indicate whether this statement is true or false.