40. Myeloid Stem Cells give rise to A. T Cells B. B Ce1ls C. Red Blood Cel1s D.

Question

40. Myeloid Stem Cells give rise to A. T Cells B. B Ce1ls C. Red Blood Cel1s D. Osteoclasts full of this protein to deliver 02 to the 41. RBCs are stuffed systemic circuit A. Hemoglobin B. Gamma globulin C. Myosin 42. The active site for WBC and RBC production in the adult is A. Red marrow B. Yel1ow marrow C. Red pulp D. White pulp 43. Blood clotting A. Ultimately results in Fibrinogen being converted to Fibrir B. Plasmin is converted to Plasminogen C. Never results from damaged blood vessels D. Only occurs fol1owing blood vessel damage 44. Type A blood contains what antibodies A. Anti-0 B. Anti A, Anti-B C. Anti-A D. Anti-B

Explanation / Answer

40. c. Red blood cell [ t and b cell are from the lymphoid stem cell, and osteoclast has no relation with the lymphoid and myeloid stem cell, other myeloid cells are white blood cells, platelets, mast cell]

41. a. hemoglobin [ hemoglobin is the main oxygen transport protein which is an integral part of rbc].

42. a. red marrow [ red marrow in the adult is the main site for myeloid cell production ]

43 a. Ultimately results in fibrinogen being converted into fibrin [ the last step of clot formation is fibrinogen to fibrin, then fibrin form fibrin mesh which catches the blood cells being lost via vascular damage site]

44. .D. Anti -B [ a blood group has A antigen in its RBC surface and anti-B( B antibody) in the plasma ]

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