Questions with Complete Solutions
Hemopoesis - ANSWER-The production of formed elements in blood
growth factors - ANSWER-needed by stem cells to differentiate
Where does hemopoiesis occur in adults? - ANSWER-red bone marrow
Lifespan of red blood cell - ANSWER-120 days
What is significant about the shape of red blood cells? - ANSWER-It allows for the rapid
diffusion of gases, flexibility and changes in shape/ size
Shape maintenance of red blood cells depends on - ANSWER-energy and membrane
structure
What are platelets? - ANSWER-cell fragments who are primarily involved in blood loss
prevention
What are the two types of white blood cells? - ANSWER-granulocytes (cytoplasmic
granules) and agranulocytes (no cytoplasmic granules)
Granulocytes - ANSWER-neutrophils, eosinophils, basophils, mast cells
Agranulocytes - ANSWER-lymphocytes and monocytes
Neutrophils - ANSWER-most common wbc, responds to bacterial and fungal infection
Eosinophils - ANSWER-antiparasitic, involved in lowering allergy response
Basophils - ANSWER-release chemical mediators during tissue injury / damage
Lymphocytes - ANSWER-2nd most common wbc, made of B and T lymphocytes
T lymphocytes - ANSWER-involved in cell mediated immunity
B lymphocytes - ANSWER-involved in humoral immunity
humoral immunity - ANSWER-mediated by antibodies released by B cells
cell mediated immunity - ANSWER-Immunity from T cells cells against abnormal or
infected cells in the body