BMTCN Test A correctly answered rated A+ 2023/2024 passed

BMTCN Test AImmunoglobulins are secreted by which type of cell? A. B-lymphocyte B. Megakaryocyte C. T-lymphocyte D. Natural killer - correct answer A. B-lymphocyte B lymphocytes synthesize and secrete immunoglobulins. Which portion of the immunoglobulin activates the complement pathway? A. MHC Class I B. Fab C. Fc D. MHC Class II - correct answer C. Fc The Fc region activates the complement pathway. Which of the following is a class II HLA antigen? A. B B. DR C. A D. C - correct answer B. DR HLA DR, DQ and DP are class II antigens. Which of the following is a disadvantage for the host of matched sibling/related donor stem cells? A. Delayed time to engraftment B. Increased rate of infection C. Limited number of cells available D. Graft-versus-host disease - correct answer D. Graft-versus-host disease GVHD is a risk when using a matched sibling/related donor. Which of the following statements by the nurse indicates an understanding of the teaching regarding hematopoietic stem cells? A. A high number are normally found in the peripheral circulation B. They spend the majority of their life in an actively dividing state C. A percentage of progenitor cells are self-renewing D. They express protein markers on their cell surface - correct answer D. They express protein markers on their cell surface Hematopoietic stem cells express protein markers on their cell surface that define the type of cell and facilitate communication with other cells. A pre-transplant patient asks about ABO compatibility with the donor. The nurse explains that: A. there is less risk of GVHD. B. the likelihood of engraftment is increased. C. it is not essential for success. D. compatibility is associated with better outcomes. - correct answer C. it is not essential for success.