HT Histotechnician

Category - Fixation

A histotechnician receives a sample of bone marrow for biopsy. What fixative of choice is suitable for bone marrow preservation?
  1. Alcohol
  2. B-5 fixative
  3. Carnoy’s fluid
  4. Orth’s fluid
Explanation
Answer: B - B-5 fixative
The fixative of choice that is suitable for bone marrow preservation is B-5 fixative. It is a fast acting fixative that is able to fix the bone marrow biopsy for 1 and a half hour. The other fixatives in the choices are not suitable for bone marrow preservation.
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