An increasing number of lymphomas are being treated with "stem-cell transplantation" therapy that is composed of the following overall steps. Sort these steps into the correct order. Your answer would be a three-letter string composed of letters A to C only, e.g. BAC.
(A) Injection of cells into the blood
(B) Harvesting and isolating selected cells from the patient's bone marrow
(C) Heavy x-ray irradiation of the patient

Question

An increasing number of lymphomas are being treated with "stem-cell transplantation" therapy that is composed of the following overall steps. Sort these steps into the correct order. Your answer would be a three-letter string composed of letters A to C only, e.g. BAC.
(A)	Injection of cells into the blood
(B)	Harvesting and isolating selected cells from the patient's bone marrow
(C)	Heavy x-ray irradiation of the patient

Quizplus · Accepted Answer

In the ideal case, the cells are taken from the patient's own bone marrow, sorted to enrich for the stem cells, and injected back into the patient after a dose of x-ray irradiation that kills all of the patient's hematopoietic stem cells and lymphoma cells.

An Increasing Number of Lymphomas Are Being Treated with "Stem-Cell