Which of the following is true of the various types of anemia?

Select one:

a. In deficiency anemia, where there is a lack of iron or lack of copper, the RBCs are microcytic hypochromic.

b. In deficiency anemia, where there is a lack of iron or lack of copper, the RBCs are normocytic normochromic.

c. In deficiency anemia, where there is a lack of iron or lack of copper, the RBCs are sickle-shaped microcytic.

d. None of these are correct.