PNB 2265-Immune System Latest Update Graded A+

PNB 2265-Immune System Latest Update Graded A+ non-specific immune system generalized responses that help to support the immune system, support imm. sys. function, recycle cells, and non-specifically destroy foreign cells and materials specific immune system protects against specific antigens; has the ability to differentiate between self-antigens and foreign antigens Which hormone causes hematopoietic stem cells to differentiate into leukocytes? a. EPO b. colony-stimulating factor (CSF) c. surfactant d. lectin colony-stimulating factor (CSF) Which types of WBCs complete their maturation in the bone marrow? (multiple answers) a. T lymphocytes b. B lymphocytes c. neutrophils d. natural killer cells (NKCs) B lymphocytes and natural killer cells (NKCs) cytokines chemical messengers that boost the immune system The classic complement pathway is activated when complement protein _____ interacts with an antigen-antibody complex. a. C1 b. C3 c. C4 C1 Which branch of the immune system produces antibodies? a. specific b. non-specific specific The alternative complement pathway is activated when complement protein _____ binds to the surface of microbes a. C1 b. C3 c. C4 C3 The lectin pathway is initiated by the binding of an inactive complement protein _____ to mannose-binding lectin (MBL) a. C1 b. C3 c. C4 C4 Which non-specific pathway depends on antibodies produced by the specific immune system? a. classic complement pathway b. alternative complement pathway c. lectin pathway classic complement pathway When the complement pathways arrange proteins to form the MAC attack, the targeted cell ___________ a. synthesizes b. lyses c .duplicates lyses microphages cells of the immune system that fight microbes; eosinophils and neutrophils granulocytes a group of leukocytes containing granules in their cytoplasm; neutrophils, eosinophils, basophils. phagocytosis process of the immune system by which target cells are engulfed and digested macrophages phagocytic cells that are mostly derived from monocytes dendritic cells cells that present antigens to cells of the specific immune system Which immune cell produces histamine?