Immune System test - Name: _ Class: _ Date: _ ID: A Immune...

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Name: ________________________ Class: ___________________ Date: __________ ID: A 1 Immune System Practice Multiple Choice Identify the letter of the choice that best completes the statement or answers the question. ____ 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. Both the eye and the respiratory tract are protected against infections by which of the following? a. the mucous membranes that cover their surface b. the secretion of complement proteins c. the release of slightly acidic secretions d. the secretion of lysozyme onto their surface e. interferons produced by immune cells ____ 3. The lymphatic system involves which of the following organs? a. spleen and lymph nodes b. adenoids and tonsils c. appendix and special portions of the small intestine d. A and B only e. A, B, and C ____ 4. 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 ____ 5. Which cell and signaling molecule are responsible for initiating an immune response? a. phagocytes: lysozyme b. phagocytes: chemokines c. dendritic cells: interferon d. mast cells: histamine e. lymphocytes: interferon ____ 6. Each indication below is a clinical characteristic of inflammation except a. decreased temperature. b. edema. c. redness. d. pain. e. increased blood flow.
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Name: ________________________ ID: A 2 ____ 7. Which of the following is a false statement about innate immunity? a. They include inflammatory responses. b. They include physical and chemical barriers. c. They must be primed by the presence of antigen. d. They may involve the formation of membrane attack complexes. e. Macrophages and natural killer cells are participants in the process. ____ 8. 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 ____ 9. 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. b. His immune system would not function. c. Genetic rearrangement of antigen receptors would not occur. d. His T cells would not undergo the test of self-tolerance. e.
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This note was uploaded on 11/16/2009 for the course SCIENCE 2412432 taught by Professor Burns during the Winter '04 term at American University of Science & Tech.

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Immune System test - Name: _ Class: _ Date: _ ID: A Immune...

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