Microbiology: An Introduction
12th Edition
ISBN: 9780321929150
Author: Gerard J. Tortora, Berdell R. Funke, Christine L. Case
Publisher: PEARSON
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Chapter 16, Problem 7MCQ
In 1884. Elie Metchnikoff observed blood cells collected around a splinter inserted in a sea star embryo. This was the discovery of
- a. blood cells.
- b. sea stars.
- c. phagocytosis.
- d. immunity.
- e. none of the above
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Chapter 16 Solutions
Microbiology: An Introduction
Ch. 16 - Identify at least one physical and one chemical...Ch. 16 - Define inflammation, and list its characteristics.Ch. 16 - What are interferons? Discuss their roles in...Ch. 16 - How can the complement system cause endotoxic...Ch. 16 - Patients with X-linked chronic granulomatous...Ch. 16 - Prob. 6RCh. 16 - Give several examples of how microbes evade the...Ch. 16 - Prob. 8RCh. 16 - Are the following involved in innate or adaptive...Ch. 16 - These agranulocytes are not phagocytic until they...
Ch. 16 - Prob. 1MCQCh. 16 - Prob. 2MCQCh. 16 - If the following are placed in the order of...Ch. 16 - Prob. 4MCQCh. 16 - A human host can prevent a pathogen from getting...Ch. 16 - Prob. 6MCQCh. 16 - In 1884. Elie Metchnikoff observed blood cells...Ch. 16 - Prob. 8MCQCh. 16 - Prob. 9MCQCh. 16 - Prob. 10MCQCh. 16 - Prob. 1ACh. 16 - Prob. 2ACh. 16 - Prob. 3ACh. 16 - The list below identifies a virulence factor for a...Ch. 16 - People with Rhinovirus infections of the nose and...Ch. 16 - Prob. 2CAECh. 16 - Leukocyte adherence deficiency (LAD) is an...Ch. 16 - The neutrophils of individuals with Chdiak-Higashi...Ch. 16 - Consider the following. a. In laboratory...
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- Sponges display nonspecific immunity. In an experiment, the cells of two different sponges were mixed and placed within a petri dish. The cells from each sponge sorted and arranged themselves together according to organism. What does this characteristic demonstrate? A. Sponges have memory T-cells and share a more recent common ancestor with vertebrates than other invertebrates. B. The experiment provides evidence for the speed of evolution and the use of specific immunity within the organism. C. Sponges have an ability to recognize their own cells as a characteristic of acquired immunity. D. Sharing genetic information from cell to cell is possible by means of receptors and protein-lined pits.arrow_forwardDuring removal of cancerous tissue in breast cancer, lymph nodes in the armpit are also removed (if found cancerous). As a result, a. cancer will reoccur at the original site b. Breast tissue will remain free of cancer, but remaining lymph nodes will become cancerous c. Lymph nodes will remain free of cancer, but remaining breast tissue will become cancerous d. There will recurrent infections in the associated arm e. There will recurrent infections in opposite armarrow_forwardWhich part of an antibody binds to the antigen?a. Heavy chain.b. Light chain.c. Variable region.d. All of the above. B ceIls do which of the following?a. Develop into plasma cells and memory cellsb. Involved in humoral immunityc. Develop and mature in red bone marrowd. Atl of the abovearrow_forward
- The four characteristics of adaptive immunity include all of the following except a. activation by a specific antigen. b. memory. c. production of clones of cells that have the same TCR or BCR. d. effective against a wide array of pathogens.arrow_forwardStructures on invading cells recognized by the adaptive immune system are known as a. antigens. b. interleukins. c. antibodies. d. lymphocytes.arrow_forwardIn preparying cells for karyotyping, a hypotonic solution is used in the process. What is the purpose of the hypotonic solution? a. It is used to separate leukocytes from erythrocytes. b. It is used to keep the structure of the lymphocytes intact. c. It is used to destroy erythrocytes. d. It is used to fixlymphocytes. e. It is used to help produce distinct banding patternsarrow_forward
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- T and B lymphocytes. a. are polymorphonuclear b. are involved with specific immune function c. proliferate excessively in leukopenia d. are most active against parasitic wormsarrow_forwardExplain why each choice (a-d) is correct or incorrect. A vaccine is effective because a. The vaccine contains the antibodies necessary to fight infection. b. The vaccine contains the lymphocytes necessary to fight infection. c. The secondary response of the adaptive immunity is faster and more efficient than the primary response. d. B lymphocytes are unable to mount an immune response the first time they are exposed to a new pathogen.arrow_forwardComplement must be inactivated because if it were NOT, A. protein synthesis would be inhibited, thus halting important cell processes. В. necessary interferons would not be produced. C. viruses could continue to multiply inside host cells using the host's own metabolic machinery. D. it could make holes in the body's own cells.arrow_forward
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