102 video review lessons. Review AP US History by watching and listening to over 18 hours worth of videos carefully coordinated to the AP US History syllabus. 290 AP US History practice questions. Test your understanding of each concept without having to take an entire AP US History practice exam. Customized AP US History study plan.
In fact the most common cause of microcytic anemia is iron deficiency, and in low risk patients physicians often confirm the diagnosis of iron deficiency as the cause by a good response to iron therapy.
In contrast, in microcytic anemia, the erythrocytes are smaller than normal. In a macrocytic anemia the larger red cells are always associated with insufficient numbers of cells and often also insufficient hemoglobin content per cell.oth of these factors work to the opposite effect of larger cell size, to finally result in a total blood hemoglobin concentration that is less than normal (i.e., anemia). Macrocytic anemia is not a disease in the sense of having a single pathology, but is rather a condition.