When calculating the dose of stem cells needed for the recipient, what factor per kilogram of recipient weight must be considered?

a. When using umbilical cord blood, a minimum of 3.0 x 105 of total nucleated cells
b. Cell doses of a minimum of 2.5-5.0 x 106 CD34+ cells
c. Cell doses of a minimum of 0.5-1.5 x 103 CD56+ cells
d. When using umbilical cord blood, a minimum of 1.0 x 103 of total nucleated cells.

Correct Answer: B