Which of the following would be a valid indication for performing a bone marrow aspiration?
a. Iron deficiency
b. Folate deficiency
c. Unexpected pancytopenia
d. Leukocytosis from a severe infection
ANS: C
An unexpected pancytopenia is a valid reason for performing a bone marrow aspiration so that the cause of the pancytopenia can be determined. Iron deficiency, folate deficiency, and leukocytosis from a severe infection can all be evaluated and diagnosed from tests performed on peripheral blood (and perhaps other tissues and/or fluids such as urine in a urinary tract infection).
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