The following are some of the most common anemias. They are arbitrarily grouped according to RBC color and size; other sources may group them in different ways. 1. Anemia Due to Bleeding: ...

Tissue oxygenation regulates RBC production. If the amount of oxygen transported to the tissues decreases, the rate of RBC production increases. The Feedback Mechanism: Tissue hypoxia ...

The Schilling test is used to evaluate the ability of the small intestine to absorb vitamin B12. When vitamin B12 is ingested, it combines with intrinsic factor from the gastric mucosa. ...