Chapter_43 - Biology 7e(Campbell Chapter 43 The Immune...

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Biology, 7e (Campbell) Chapter 43: The Immune System 1) The innate immunity that protects a person digging in the garden from developing a microbial infection includes all of the following except A) lymphocytes. B) the skin. C) mucous membranes. D) acidic secretions. E) antimicrobial proteins. 2) Physical barriers to invasion by other organisms A) include the skin and the mucous membranes. B) are difficult for bacteria and viruses to penetrate. C) may work in conjunction with secretions like tears, perspiration, and mucus. D) Only A and C are correct. E) A, B, and C are correct. 3) The lymphatic system involves which of the following organs? A) spleen and lymph nodes B) adenoids and tonsils C) stomach and liver D) A and B only E) A, B, and C 4) Which statement about the complement system is true? A) These proteins are involved in innate immunity and not acquired immunity. B) These proteins are secreted by cytotoxic T cells. C) This group of proteins includes interferons. D) These proteins are one group of antimicrobial proteins. E) none of the above 5) In the inflammatory response, the absence of which of the following would prevent all the others from happening? A) dilation of arterioles B) increased permeability of blood vessels C) increased population of phagocytes in the area D) release of histamine E) leakage of plasma to the affected area 6) Each indication below is a clinical characteristic of inflammation except A) decreased temperature. B) edema. C) redness. D) pain. E) increased blood flow. 7) A bacterium entering the body through a small cut in the skin will do which of the following? A) inactivate the hemocytes B) stimulate apoptosis of body cells C) stimulate release of interferons D) inactivate natural killer cell activity E) activate a group of proteins called complement
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8) What is the single most important event establishing a primary immune response? A) the presentation of viral protein complexed to class I MHC B) the lyses of virally infected cells by cytotoxic T cells C) the phagocytosis of microbes by antigen-presenting cells D) the recognition of self versus foreign E) apoptosis of virally infected cells 9) What are antigens? A) proteins found in the blood that cause foreign blood cells to clump B) proteins embedded in B cell membranes C) proteins that consist of two light and two heavy polypeptide chains D) foreign molecules that trigger the generation of antibodies E) proteins released during an inflammatory response 10) Which of the following is not a part of an antibody molecule? A) the epitope B) the constant or C regions C) the variable or V regions D) the light chains E) the heavy chains 11) If a newborn were accidentally given a drug that destroyed the thymus, what would most likely happen? A) His cells would lack class I MHC molecules on their surface.
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Chapter_43 - Biology 7e(Campbell Chapter 43 The Immune...

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