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23. Where are B cells and T cells found? a. only in the blood b. only...
2. Which of the following cells are leukocytes? a. NK cells b. neutrophils c. monocytes d. all of the above e. none of the above 3 Which of the following cells are lymphocytes? a. NK cells b. neutrophils c. monocytes d. all of the above e. none of the above 4. Why do complement proteins not damage healthy cells normally? a. Complement proteins must be produced by activated leukocytes. b. Complement proteins must be activated by enzymatic cleavage. c. Leukocytes...
Name: 43. Antigens can be found on... (a) flagella (b) cell walls (c) human cells (d) all of the above 40. What is the site where stem cells develop and mature into T lymphocytes in humans? (a) spice (b) thymus (c) blood (d) bone marrow 47. Antigen presentation with MHC I molecules sensitizes which type of T cell? (a) cytotoxic T cells (b) helper T cells (c) plasma cells (d) all of the above 48. How does the Tc cell...
45. Antigens can be found on... (a) flagella (b ell walls (c) human cells (@a 46. What is the site where stem cells develop and mature into T lymphocytes in humans (b) thymus (c) blood (d) bone marrow b) cell walls (c) human cells (d) all of the above develop and mature into T lymphocytes in humans? (a) spleen 41. Antigen presentation with MHC I molecules sensities which type of T cell? (a) cytotox C (b) helper T cells (c)...
Which is a type of presentation complex found only on macrophages, dendritic cells, and B cells? a. Epitope b. MHC I c. MGC II
Melanin is found in which cells? Select one: a. Only melanocytes b. Both melanocytes and keratinocytes c. Only keratinocytes d. Both melanocytes and Langerhans cells
Where is iron reductase found in liver cells? A. in the lysosomal membrane B. in the plasma membrane associated with ferroportin C. in the plasma membrane associated with DMT-1 cotransporter D. mitochondrial membrane
1) How do nutrients move from the blood in your capillaries to the cells of your tissues? Where does the interstitial space come into this picture? 2) What is lymph, and where does it come from? What are lymphatic capillaries, lymphatic ducts, and lymph nodules and nodes?
7. Cyclosporine A specifically targets: A) Macrophages B) T cells C) B cells D) Sheep red blood cells 8. Which of the following is NOT an important mechanism for removing particulate matter from the lungs? A) blowing your nose B) swallowing C) phagocytosis by macrophages D) lymphatic removal 9. Inhaled anesthetics typically have a low solubility ratio. What will primarily determine the rate of transfer of these compounds into the bloodstream following inhalation? A) charge B) blood flow through the...
Need all answers The % of red blood cells in human blood is; a. 15% d, 60% 2. "Formed elements are: a. Sodium& potassium b. Blood cells & platelets c. Serum & plasma d. Blood &cells Which of following is an agranulocyte? a. Basophil b. Eosinophil c. Lymphocyte d. Neutrophil Sickle cell anemia is caused by: a. b. c. Mutation d. 3. 4. Lack of iron Lack of hemoglobin Lack of RBC 5 Which of following elements is present in...
17. One distinction between B cells and T cells is that A. B cells directly attack an invader while T cells secrete antibodies that attack the invader B. T cells produce antibodies C T cells directly attack an invader while B cells become plasma cells that secrete antibodies that attack the invader D. both cell types attack invaders directly but some B cells differentiate into plasma cells that also simultaneously secrete antibodies