3) Your skin is the last line of defence against invading microorganisms. True False 4)Lymph, the fluid of the lymphatic system, contains red blood cells to fight infection. True False 5)Many cleaning products contain antibacterial agents. True False

3) Your skin is the last line of defence against invading microorganisms. True False 4)Lymph, the fluid of the lymphatic system, contains red blood cells to fight infection. True False 5)Many cleaning products contain antibacterial agents. True False

Human Heredity: Principles and Issues (MindTap Course List)

11th Edition

ISBN:9781305251052

Author:Michael Cummings

Publisher:Michael Cummings

Chapter17: Genes And The Immune System

Section: Chapter Questions

Problem 2QP: The Complement System Kills Microorganisms The complement system supplements the inflammatory...

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Defense Mechanism

Circumstances influence and compel people to behave in a certain way. One such behavior is a defense mechanism. It is employed by people to escape from unpleasant circumstances, thoughts and actions. Defense mechanisms are, thus, psychological strategies that help to avert and avoid unwanted feelings such as guilt or shame and situations such as threat and danger.

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The Complement System Kills Microorganisms The complement system supplements the inflammatory response by directly killing microorganisms. Describe the life cycle of complement proteins, from their synthesis in the liver to their activity at the site of an infection.
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Both antibodies and particular complement proteins, such as c3b, are capable of aiding phagocytes in attaching to bacteria. What term best describes these? O 1) opsonins O 2) haptens O 3) pyogens O 4) perforins
Our bodies are covered in bacteria, even pathogenic strains. Name and describe three defenses our skin has to prevent infections from these bacteria?
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The classical complement pathway involves activation of the complement proteins in which of the following manners? 1) C3b binds to the microbial surface, with factors B, D, and P 2) C1 binds to antibodies bound to the microbe's surface 3) Fungal mannose sugars trigger complement proteins in the blood 4) C3b binds to antibodies bound to the microbial surface
While you are jogging carly in the moming, you slip on some ice and skin your knee. Following the breach in skin, which of the following MIGHT be expected? a) Release of histamine, prostaglandins and leukotrienes b) Extravasation of neutrophils c) Complement activation d) ONLY a & b e) All of the Above
Which of the following is not true about the complementsystem?(a) It is a set of more than 20 proteins that play a key rolein host defense by specifically acting in different waystoward different microorganisms.(b) Its general functions include enhancing phagocytosis byphagocytes, lysing microbes and enveloped viruses directly, and generating peptide fragments that regulateinflammation and immune responses.(c) It is a fast-acting innate host defense that works in a cascade.(d) There are three pathways classical, lectin, and alternative.(e) The effects of each activation pathways are the same.
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Which of the following happens during inflammation? A) O The capillaries supplying blood to the area become more permeable. B)O Certain cytokines cause deadened nerve endings, alleviating pain. C) O Neutrophils exit blood vessels and phagocytize cells in the infected area. 11) D.OB cells and T cells exit blood vessels and interact with pathogens. E) O two of the above are correct
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