The phlebotomist's hands should be washed/cleansed _______and ______each patient interaction

The following is a Levey-Jennings chart

Which of the following is the best conclusion based on the circled data? A) The data fall within 2 SD of the mean; so the recent run can be accepted. B) The data have several outliers; so the recent run must be rejected. C) The data comply with at least 3 of the Westgard Rules; so the recent run may be accepted. D) The data violate the Westgard Rule of 10x; so the recent run must be rejected.

Which test or tests support the theory that the abnormal cells in MDS are clones derived from an abnormal pluripotent stem cell?

a. Cytochemical studies b. Peripheral blood smear examination c. Bone marrow examination d. Cytogenetic and molecular studies