A normal M:E ratio is about 3:1. A patient has three times more myeloid precursors than erythroid precursors in the bone marrow because:
a. The body needs more cells to fight infection than to transport oxygen.
b. The life cycle of a WBC is much longer than that of an RBC.
c. WBCs undergo more steps in hematopoiesis than do RBCs.
d. The life cycle of a WBC is much shorter than that of an RBC.
Question 2
Which of the following is an expected finding in the bone marrow in a patient with the following results: serum iron = 124 mcg/dL (reference range: 35-170 ug/dL); TIBC = 284 mcg/dL (reference range: 225-425 mcg/dL)?
a. Decreased or absent Prussian blue specks
b. Adequate iron stores with Prussian blue stain
c. Sea blue histiocytes
d. Increased iron stores
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