Immunology MCQ Review Course 2023.

Immunology MCQ Review Course 2023.1) Which of the following is characteristic of antibodies? A) carbohydrate structure B) composed of heavy and light polypeptide chains C) three binding sites per antibody monomer D) incapable of being transferred from one person to another - ANSWER B) composed of heavy and light polypeptide chains 2) Which of the following is associated with passive immunity? A) long-term immune protection B) infusion of weakened viruses C) passage of IgG antibodies from a pregnant mother to her fetus D) booster shot - ANSWER C) passage of IgG antibodies from a pregnant mother to her fetus 3) Which of the following is not a type of T cell? A) cytotoxic B) antigenic C) helper D) regulatory - ANSWER B) antigenic 4) B lymphocytes develop immunocompetence in the ________. A) thymus B) spleen C) bone marrow D) lymph nodes - ANSWER C) bone marrow 5) In clonal selection of B cells, which substance is responsible for determining which cells will eventually become cloned? A) antigen B) lymphocyte C) antibody D) macrophage - ANSWER A) antigen 6) The system that recognizes foreign molecules and acts to immobilize, neutralize, or destroy them is the ________. A) integumentary system B) renal system C) immune system D) lymphatic system - ANSWER C) immune system 7) The process whereby neutrophils and other white blood cells are attracted to an inflammatory site is called ________. A) diapedesis B) chemotaxis C) margination D) phagocytosis - ANSWER B) chemotaxis 8) Small molecules that bind with self-proteins to produce antigenic substances are called ________. A) haptens B) antibodies C) ions D) reagins - ANSWER A) haptens 9) The chief antibody-mediated mechanism used against cellular antigens, such as bacteria, is ________. A) interferon production B) complement fixation C) neutralization D) agglutination - ANSWER B) complement fixation 10) The only T cells that can directly attack and kill other cells are the ________. A) regulatory cells B) helper cells C) cytotoxic cells D) plasma cells - ANSWER C) cytotoxic cells 11) Select the correct statement about phagocytic cells. A) Neutrophils may destroy themselves when they phagocytize large quantities of a foreign substance. B) Macrophages release defensins during killing. C) The respiratory burst characterizes eosinophil phagocytosis. D) Kupffer cells are a type of neutrophil. - ANSWER A) Neutrophils may destroy themselves when they phagocytize large quantities of a foreign substance. 12) ________ predominate at the sites of chronic infections. A) Basophils B) Eosinophils C) Macrophages D) B cells - ANSWER C) Macrophages 13) ________ determine(s) what specific foreign substances our adaptive immune system will be able