Which of the following is least likely to cause PS's anemia?

Question

Quizplus · Accepted Answer

PS's anemia is most likely caused by lack of dietary iron intake, as iron is necessary for the production of hemoglobin. Reduced intrinsic factor production and lack of dietary B12 intake can also contribute to anemia, as they can cause pernicious anemia. Lack of dietary folate intake can cause megaloblastic anemia, but is less likely to be the cause in this case. GI malabsorption can also contribute to anemia, but without further information about PS's medical history, it is difficult to determine its likelihood in this case.

Which of the Following Is Least Likely to Cause PS's