The absence of parietal cells would prevent the absorption of an essential nutrient necessary to prevent which type of anemia?
A) Iron deficiency
B) Pernicious anemia
C) Folic acid deficiency anemia
D) Aplastic anemia

Question

Quizplus · Accepted Answer

Dietary vitamin B₁₂ is a large molecule that requires a protein secreted by parietal cells into the stomach (intrinsic factor [IF])to transport across the ileum.Defects in IF production lead to decreased B₁₂ absorption and pernicious anemia.The other options are not the result of this process.

The Absence of Parietal Cells Would Prevent the Absorption of an Essential