Te Ena immunoglnghesized by the fetus is A) IgM IgG. c lgA D) IgE lasm cell maki
ID: 274388 • Letter: T
Question
Te Ena immunoglnghesized by the fetus is A) IgM IgG. c lgA D) IgE lasm cell making lgA antibody, you would find 4. If you could analyze, at the molecular mll ev all of the following except A) mRNA specific for either K or . light chains. B) mRNA specific for either x or heavy chains. O mRNA specific for yu chains. D) a DNA sequence for V, D, and J genes translocated near the Ca DNA exon. 3s. In IgE-mediated allergy to plant pollens, the antigen A) Is not foreign and is nontoxic. B) Is foreign and toxic. ) Is not foreign, but is toxic D) Is foreign and nontoxic. 86. The occurs 6-8 hours after an initial type I allergic response in which mast cells produce leukotrienes, chemokines, and cytokines. A) late-phase reaction B) delayed-type hypersensitivity reaction c) condition known as anaphylactic shock D) Arthus reaction 37. Te cells A) Recognize MHC II using TCR and CD4. B) Recognize MHC II using TCR and CD8. C) Recognize MHC I using TCR and CD8. D) Recognize MHC I using TCR and CD4. These are cells: A) Lymphocytes, macrophages, eosinophils. C) Histamine, IgE, basophils. B) Lymphocytes, complement, IL-2 The class-specific antigenic determinants (epitopes) of immunoglobulins are associated A) Heavy chains. B) variable regions c) Disulfide bonds. D) Light chains. 39.Explanation / Answer
33. The first immunoglobulin synthesized by human embryo is IgM. Hence, a is correct.
34. Except, mRNA for ? chain. Hence, c is correct.
35. In IgE, mediated allergy to pollen, the antigen is pollen and hence, it is foreign. It is not toxic.Hence, it is non-toxic. Hence, d is correct.
36. The late phase reaction occur after 6-8 hours. Hence, a is correct.
37. Tc cell or cytotoxic T cell diagnose class I MHC and express CD8. Hence, option b is correct.
38. Lymphocytes, macrophage and eosinophils are found in the blood. Hence, a is correct.
39. The class-specific antigenic determinants of immunoglobin are associated with variable region. Hence, option b is correct.
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