Question

A) lymph follicles lymph nodes C) lacteals D) lymphatics 4) An advantage to adaptive immunity is (A) its memory cells that provide quicker, larger and more efficient immune response upon second and subsequent exposure to an antigen B) its need for several cells to be activated over several days on first exposure C) the ability of its individual cells to respond to many different pathogens D) the use of antibodies that cause cell lysis and kill invading cells 5) A cellular component of the innate defenses includes A) natural killer cells B) T cells C) B cells D) plasma cells 6) Which of the following would NOT be classified as a lymphoid organ? Al pancreas B) spleen C) tonsils D) Peyer's patches of the intestine 7) T cells are differentiated into two groups based on their glycoproteins: CD4 or CD8 Which of the following is true of CD4 T cells? A) They become cytotoxic T cells. B) They become antigen presenting cells (APC) cells. C) They become T helper cells. D) They become plasma cells. 8) Which of the following does NOT describe actions of interferon (IFN) A) Virally infected cells can release interferon which attracts NK cells to attack and kill the IFN secreting cell B) IFN binds to normal, uninfected cells stimulating the activation of genes that produce anti-viral proteins C) IFN will attract macrophages to the secreting cell to be removed by phagocytosis D) IFN can penetrate the viral capsid and destroy the virus.

Answer 1

ANSWER.

4) A) An advantage of adaptive immunity is it's memory cells that provide

         quicker,larger and more efficient immune response upon second

         exposure to an antigen.

5) A) A cellular component of innate defense include Natural killer cells.

6) A) Pancreas is not classified as a lymphoid organ.

7) C) Statement true about CD4 T cells is they become T helper cells.

8) D) Statement not describe the action of interferon is Interferon can

         penetrate the viral capsid and destroy the virus.