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In this section, you can find 18 questions (from 300 to 318) on various topics of Immunology. The answers to these questions are given at the end of this blog post. 56. Pollen would most likely evoke which type of hypersensitivity response:a. Cytotoxic (Type II)b. Immune complex (Type III)c. Cell-Mediated (Type IV)d. Immediate type (Type I)e. latent (Type V) 57. Which hypersensitivity reactions are T cell-mediated?a. Type Ib. Type IIc. Type III d. Type IVe. None of these 58. Which of the following bind to mast cells and cross-link, resulting in degranulation and release of histamine?a. IgMb. IgAc. IgGd. Interleukinse. IgE 59. Theoretically, type………… blood can be donated to all persons because it lacks…………a. O/antigensb. AB/ antibodiesc. A/ antibodiesd. O/antibodiese. A/IgE 60. Type II hypersensitivity is due to:a. IgEb. Activation of cytotoxic T cellsc. Pollend. IgMe. Mismatched blood types in transfusion 61. Production of autoantibodies may be due to:a. Emergence of mutant clones of B cellsb. Production of antibodies against sequestered (hidden) tissuesc. Genetic factorsd. All are possiblee. None of these 62. A positive tuberculin test is an example ofa. Type I hypersensitivityb. Delayed type hypersensitivityc. Acute contact dermatitisd. Eczemae. Pollen allergic response 63. Rheumatoid arthritis is an ……….disease that affects the……….a. Allergic/cartilageb. Autoimmune/nervesc. Autoimmune/jointsd. Immunodeficiency/musclese. Allergic/muscles 64. Contact with poison ivy would elicit which type of hypersensitivity reaction?a. type IIIb. type Ic. type IId. type IVe. type V 65. A tissue graft between two people who are not genetically identical is termed a:a. Isograftb. Heterograftc. Xenograftd. Autografte. Allograft 66. An example of type III immune complex disease is:a. Contact dermatitisb. Graft rejectionc. Serum sicknessd. Atopye. Allergies 67. Graft versus host disease results when the recipient lacks or has a poor immune system, and the donor organ and recipient express different:a. HLAb. T cellsc. Antibodiesd. Autoantibodiese. Interleukins 68. Agammaglobulinemia is an immunodeficiency disease due to a deficiency in:a. T cellsb. MHCc. IgEd. Cytokinese. B cells 69. Which disease would be most similar to AIDS in its pathology?a. SCIDb. DiGeorge Syndromec. Agammaglobulinemiad. ADA deficiencye. Kuru 70. Human immunodeficiency virus (HIV) binds specifically to which immune cell marker?a. CD8b. MHCc. CDCd. CD4e. GP120 BONUS QUESTIONS Bonus 1. HIV has a high mutation rate due to the imprecise operation of its:a. Viral membraneb. CD4 receptorc. Reverse transcriptased. proteasee. dismutase Bonus 2. Which of the following is considered an autoimmune disease?a. rheumatoid arthritisb. AIDSc. SCIDd. agammaglobulinemiae. CJD Bonus 3. A transplant between individuals of different animal species is termed as:a. allograftb. isograftc. enterograftd. endografte. xenograft If you want to try more MCQs in Immunology, follow this link: MCQ in Immunology (71-85): Basic Concepts Answer Keys 56.d Immediate type (Type I)57.d Type IV58.e IgE59.a O/antigens60.e. Mismatched blood types in transfusion61.d. all are possible62.b. Delayed type hypersensitivity63.c. Autoimmune/ joints64.d. type IV65.e. AllograftExplanation: An "isograft" is performed between genetically identical individuals (i.e. monozygotic twins).A "heterograft" is not a word that is used in transplantation immunology.A "xenograft" is a transplant that is performed across species.An "autograft" is a transplant from one location in the body to another.An allograft is a transplant between two members of the same species who are not genetically identical. So option "e" is the right answer. 66.c. Serum sickness67.a. HLA68.e. B cell69.a. SCID70.d. CD4 Answers to Bonus Questions Bonus 1.c. Reverse transcriptaseBonus 2.a. rheumatoid arthritisBonus 3.e. xenograft

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