Question

the area of 20. Immediately following tissue damage, blood vessels dilate or increase in diameter in damage and their permeability increases. Dilation of blood vessels is called a. vasodilution e. vasodilation d. inclusion 21. Thecells destroy the target cels with perforin which lyses the infected cell. a. Protein b. Paraffin c perforin e. none of the above d. porin 22. The phase of fever that indicates that the body tempersture is falling is e.seizure b. shivering mmmunity inwolves the production of antibodies (found in extracellular fluids) that a. crisis e. persisting d. both a&e 23. act against foreign organisms and substances. c. naturally acquired immunity e. both a & b b. Humoral immunityd. all of the above 24. Hybridomas are produced by fusing a cancer cell with_ plasma cells e.both a&d a antigen secreting b. antibody proliferatingd. antibody secreting c. antigen proliferating 25. The top layer of the skin's epidermal cells are dead and contains a protective protein called a. perforin b.kerasi c. keratind.ghycoprotein e.none of the above 26. It refers to the amount of antibody present in a serum a. Titier btieterder None of the above 27. Blood consists of a fluid called and cell fragments. that is cells a. plasmodesma e. lymphocytes b. plasmacplatelets d. formed elements 29. They activate 8 cells to produce eosinophils, WM and lg a. Suppressor T cells b. Helper T1 cells c. Delayed hypersensitivity cellse. Helper T2 cells d. Cytotoxic T cells 30. Theof the antibody is the part that accounts for the five major classes of immunoglobulins. a. variable regions b. Fc region c. light chain d. constant regions e. hinge region R SHEET B TEST ANSWE Form No 19641

Answer 1