NESTER'S MICROBIOLOGY-ACCESS
9th Edition
ISBN: 9781260518498
Author: Anderson
Publisher: MCG
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Chapter 17, Problem 1CT
Hypersensitivity reactions, by definition, lead to tissue damage. Can they also be beneficial? Explain.
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Macrophages and neutrophils both contribute to extracellular pathogen protection. Describe their common characteristics, differences in structure and function, and if one were eliminated from the innate immune response, explain which one would be more detrimental to the body and why.
Poison oak and poison ivy, which involve a CD8 cell response, are examples of what
type of hypersensitivity reaction?
O 1) 1
O 2) |I
O 3) II
O 4) IV
List two potentially life-threatening consequences of a Type I hypersensitivity reaction and explain what molecules are involved and how they work.
Chapter 17 Solutions
NESTER'S MICROBIOLOGY-ACCESS
Ch. 17 - Prob. 1SACh. 17 -
2. List two physical responses of systemic...Ch. 17 - What are the major differences between an...Ch. 17 - Compare and contrast the Arthus reaction and serum...Ch. 17 - Prob. 5SACh. 17 - Compare and contrast the autoimmune processes...Ch. 17 -
7. Give an example of an organ-specific...Ch. 17 - Explain why a patient who received a successful...Ch. 17 - Why does an IgA deficiency predispose a person to...Ch. 17 - What is the difference between a primary...
Ch. 17 - Prob. 1MCCh. 17 - Prob. 2MCCh. 17 - Prob. 3MCCh. 17 - Prob. 4MCCh. 17 - Delayed-type hypersensitivity reactions in the...Ch. 17 - Prob. 6MCCh. 17 - Prob. 7MCCh. 17 - Prob. 8MCCh. 17 - Prob. 9MCCh. 17 - Prob. 10MCCh. 17 - Jack and Jill were badly burned in an accident at...Ch. 17 - Horse serum containing specific antibody to snake...Ch. 17 - Hypersensitivity reactions, by definition, lead to...Ch. 17 - Prob. 2CT
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- Define hypersensitivity. List three types of hypersensitivity reactions. For each, note whether antibodies or T cells are involved and provide two examples.arrow_forwardAside from the time required for a reaction to appear,how does delayed hypersensitivity differ from the acuteand subacute types?arrow_forwardIn a blood transfusion, if the donor and recipient blood types are not matched correctly, it may result in a: a) Type I hypersensitivity reaction O b) Type II hypersensitivity reaction c) Type III hypersensitivity reaction d) Type IV hypersensitivity reactionarrow_forward
- A patient recently underwent a transplant and first shows success. About two months after the surgery the patient comes in with complaints and issues are arising due to the transplant surgery. What type of hypersensitivity is occurring? How would you distinguish which type of rejection is taking place? Please explain in detail.arrow_forward4) A patient has their spleen removed due to an accident. How will this affect the immune response? 5) You come in contact with staphylococci through a cut. What cellular features will the immune cells recognize? 6) Name two opsonins and how do these molecules help the immune response? 7) Fever is part of the inflammatory process. What is the role of fever during an immune response? 8) This chemical is used to induce anti-viral responses in cells to protect the cells from viral infections. 9) This complement activation pathway is activated when complement binds to an antibody bound to antigens.arrow_forwardWrite the main components of type 3 hypersensitivity reaction. Why phagocytic cells cannot phagocytize the formed complexes? And why are tissues damaged during the reaction?arrow_forward
- If the person has been vaccinated against tetanus, he is given a booster which consists of the toxin. If the patient has never been vaccinated against tetanus, he is given an antiserum shot against tetanus. Explain the rationale for this treatment strategy. Sometimes both booster and antiserum are given at different locations of the body. Explain why this is done.arrow_forwardCell-mediated immunity is specifically effective against what type of target? Provide examples.arrow_forwardWhich of the following best describes the type of immunity acquired in the following example? Example: An infant receives antibodies from the mother through breastfeeding. A) passive, natural B) passive, artificial active, natural active, artificial Question 33 What caused COVID-19 to be re-ciassif ed from an epidemic to a pandemic?arrow_forward
- Delayed-type hypersensitivity reactions in the skina) are characterized by a wheal and flare reaction.b) peak at 4 to 6 hours after exposure to antigen.c) require complement activation.d) show induration because of the influx of sensitized T cells and macrophages.e) depend on activities of the Fc portion of antibodies.arrow_forwardExplain what aspects of the body's innate immune system would be best suited to fight a mesophilic, neutrophilic pathogen. Give at least three examples.arrow_forwardWhat is Delayed hypersensitivity?arrow_forward
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