HUMAN PHYSIOLOGY-ACCESS >CUSTOM<
15th Edition
ISBN: 9781260584189
Author: Fox
Publisher: MCG CUSTOM
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Chapter 15, Problem 28RA
Distinguish between immediate and delayed hypersensitivity. What drugs arc used to treat immediate hypersensitivity and how do these drugs work? Why don't these compounds work in treating delayed hypersensitivity?
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Aside from the time required for a reaction to appear,how does delayed hypersensitivity differ from the acuteand subacute types?
What is the difference between an immediate hypersensitivity reaction and a delayed hypersensitivity reaction?
What is Delayed hypersensitivity?
Chapter 15 Solutions
HUMAN PHYSIOLOGY-ACCESS >CUSTOM<
Ch. 15 - List the phagocytic cells found in blood and...Ch. 15 - Prob. 1bCPCh. 15 - Prob. 2aCPCh. 15 - Prob. 2bCPCh. 15 - Prob. 2cCPCh. 15 - Prob. 3CPCh. 15 - Prob. 4aCPCh. 15 - Prob. 4bCPCh. 15 - Prob. 5CPCh. 15 - Prob. 6aCP
Ch. 15 - Prob. 6bCPCh. 15 - Define the term histocompatibility antigens and...Ch. 15 - Prob. 7bCPCh. 15 - Prob. 8aCPCh. 15 - Prob. 8bCPCh. 15 - Prob. 8cCPCh. 15 - Prob. 8dCPCh. 15 - Prob. 9CPCh. 15 - Prob. 10aCPCh. 15 - Prob. 10bCPCh. 15 - Prob. 10cCPCh. 15 - Prob. 11CPCh. 15 - Prob. 12aCPCh. 15 - Prob. 12bCPCh. 15 - Which of these offers a nonspecific defense...Ch. 15 - Prob. 2RACh. 15 - Prob. 3RACh. 15 - Prob. 4RACh. 15 - Prob. 5RACh. 15 - Prob. 6RACh. 15 - Prob. 7RACh. 15 - Mast cell secretion during an immediate...Ch. 15 - Prob. 9RACh. 15 - Which of these cell types aids the activation of T...Ch. 15 - Prob. 11RACh. 15 - Delayed hypersensitivity is mediated by...Ch. 15 - Active immunity may be produced by...Ch. 15 - Which of these statements about class-2 MHC...Ch. 15 - Prob. 15RACh. 15 - Prob. 16RACh. 15 - Prob. 17RACh. 15 - Which of these statements about gamma interferon...Ch. 15 - Explain how antibodies help to destroy invading...Ch. 15 - Identify the different types of interferons and...Ch. 15 - Distinguish between the class-I and class-2 MHC...Ch. 15 - Prob. 22RACh. 15 - Prob. 23RACh. 15 - Describe how plasma cells attack antigens and how...Ch. 15 - Explain how tolerance to self-antigens may be...Ch. 15 - Use the clonal selection theory to explain how...Ch. 15 - Prob. 27RACh. 15 - Distinguish between immediate and delayed...Ch. 15 - Describe regulatory T lymphocytes and their...Ch. 15 - Prob. 30RACh. 15 - The specific T lymphocyte immune response is...Ch. 15 - Lizards are cold-blooded; their body temperature...Ch. 15 - Why are antibodies composed of different chains,...Ch. 15 - As a scientist trying to cure allergy, you are...Ch. 15 - The part of the placenta that invades the mother's...Ch. 15 - Describe the antigen-dependent and...Ch. 15 - People with peanut allergies could go into...Ch. 15 - Identify some immunologically privileged sites in...Ch. 15 - Use figure 15.6 to answer the following questions...Ch. 15 - Use figure 15.6 to answer the following questions...Ch. 15 - Prob. 41RACh. 15 - Prob. 42RA
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- What advantages do monoclonal antibodies have compared topolyclonal antibodies? How are mAbs produced?arrow_forwardWhat is the mechanism of type II hypersensitivity?arrow_forwardPoison 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) IVarrow_forward
- Hypersensitivity reactions, by definition, lead to tissue damage. Can they also be beneficial? Explain.arrow_forwardA 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_forwardSerum from individuals with high levels of antibody to SARS-CoV2 has been used to treat patients with severe COVID-19. What is ONE way (there are several) that passive immunization with the antibody to the virus could help these patients? HINT: think about what opsonization with antibody could do for the innate immune response.arrow_forward
- Different hypersensitive responses can result from a bee sting. What type of hypersensitivity could account for each of the following reactions? Explain the mechanism in each case. After an insect sting, an individual experiences swelling and redness at the sting location within 1-2 minutes but this disappears within hour. an (ii) About 8 hours later, the same person experiences swelling and redness at the sting location. This persists for 4 hours.arrow_forwardNeutralizing antibodies are effective at preventing infection or toxicity mediated by pathogens or their toxic products. In fact, nearly all vaccines currently in use function by eliciting neutralizing antibodies. One example is the tetanus vaccine, in which neutralizing antibodies are generated against an inactivated form of the tetanus toxin (the tetanus toxoid). The most important feature of a neutralizing antibody is having high affinity for the antigen. being efficient at activating the complement cascade. having a high degree of multivalency, such as being a pentamer or hexamer of immunoglobulin monomers. being present at a high concentration in the circulation. 0 0 0 0arrow_forwardWhat is the difference in the kinetics of antibody formation in response to a dirst and second exposure to the same antigen?arrow_forward
- Autoimmunity produces reactions that resemble which of the following hypersensitivity reactions? a)Type I, II, III and IV b)Type II, III and IV c)Type I, II and III d)Type I, III an IV e)none of the choices are correctarrow_forwardA 39-year-old woman with rheumatoid arthritis comes to the physician for a follow-up examination. Treatment with multiple medications, including prednisone and methotrexate, has not been effective at slowing the progress of her condition. The most appropriate next step in pharmacotherapy is a drug that blocks the effects of which of the following cytokines? Entaracept : Fusion protein- decoy receptor A) Interferon gamma B) Interleukin-2 (IL-2) C) IL-4 D) IL-10 E) Tumor necrosis factor-a foundarrow_forwardInfluenza virus causes serious disease and death, and is responsible for one of the largest pandemics in recorded history. However, the process by which antigens are made and processed are not unique to that virus. Answer the following questions to trace how infected cells will become recognizable by the TCR of a compatible T-cell. A) Where are the viral proteins made? B) Describe the process by which viral proteins are broken down into peptides. Be sure to discuss any unique molecules or organelles that participate in the process. C) Which MHC molecule presents these peptides? D) Now that you have made peptides from the viral antigen, how do they get to and bind to the MHC molecule? Describe the process. What unique molecules are involved in this process? E) What is the final destination for these molecules/epitopes, and how do they reach that destination?arrow_forward
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