29. Which of the following can act as antigen presenting cells? a. B cells b. Ma

Question

29. Which of the following can act as antigen presenting cells? a. B cells b. Macrophages c. Dendritic cells d. all of the previous 30. Which of the following does the HIV virus use to enter cells of the immune systen? a. CD4 receptor proteins of helper Tcells b. CD4 receptor proteins of cytotoxic Tcells e. CD8 receptor proteins of helper T cells d. CD8 receptor proteins of cytotoxic Tcells 1.Which cell assists in most areas of immunity? a, Macrophages b.TH Cells c. Suppressor cells 2. A vaccination against chickenpox is best describe as: Passive natural immunity c.Passive unnatural immunity b. Natural artificial immunity d. Unnatural artificial immunity a. 33.What should occur right after antigen presentation on n APC? a. Immediate attack by killer T cells. b. Invoution of the cell c. Lysis of the cell d. Recognition by a helper T cell e. Suppression by a suppressor T cell. 34.Where is the complement binding site found on an antibody? a. The variable region b. The constant region c. The antigen binding site d. The light chain 35. Which antibody usually gets to the site of infection first? a. IgM b. IG c. IgE . IgD 36. Antibodies are also known as: a. Antigens e. c and d b. Agglutinogens c. Immunoglobulins d. Agglutinins 37. A very small substance that cannot cause an immune described as a: a. Antigen b. response on its own is best c. Bacteroid d. Hapten 38. A severe allergic reaction that involves several body systems is best described a. Prophylaxis b. Allogenic .Anaphylaxis d. Sepsis 39. Infection of the blood is best described as: A. Uremia b. Glucosuria e. Anaphylaxis d. Sepsis

Explanation / Answer

Answer: D: All of the previous

Professional antigen-presenting cells include macrophages, B cells and dendrite cells present foreign antigens express antigens to helper T cells.

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