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9) List a general description of the 3 lines of defense and provide an example cell or organ from each (short answer please)
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- Would the answer be A). Inflammation or C). the patient's immune mechanism because both of the answer demonstrate the reason of why allograft transplant can cause risk of organ/tissue rejections. Please explain, thank you! 1. Allograft transplants have an associated risk of organ or tissue rejection. The main reason for rejection is:Choose the letter and give a brief explanation. A. inflammation. B. infection. C. the patient's immune mechanisms. D. transplanting tissue that is not viable.Differentiate between the three lines of defense, describingexamples of each.Which of the following is NOT a surface barrier serving as the first line of defense? a. mucus b. antibody c. keratin d. oil
- Which of the following is part of the second line of defense? a. Interferons b. Phagocytes c. Macrophages and histiocytes d. Inflammatory reactions e. Fever f. Complements Please provide answer in short asap!!2.Describe all components of the second line of defense and describe how they protect the body.Antibodies, complement proteins, and phagocytic cells provide effective protection against all of the following types of infections except: a) Fungi b) Virus-infected cell c) Worms d) Bacteria e) Viruses
- 1) Which line of defense are these immune response components part of? A) Complement: B) Antibodies: C) Interferon: D) Lysozyme: E) Phagocytes: F) Inflammation: 2) A bacterium lands on the skin. What factors would this microbe need to survive on the skin?Which components are considered a barrier to pathogen entry? all that apply Select one or more: a. PRRs b. plasma cells c. mucus d. lymph nodes e. lysozymeExplain the structure of protective system in detail with necessary diagram ?
- 5. Which of the following does not describe the outcome of complement activation? a. chemotaxis b. opsonization c. vasoconstriction d. proteolysis e. membrane permeabilizationWhich 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.Explain the two main features that characterize the third line of host defense mechanisms.