Microbiology with Diseases by Body System & Modified MasteringMicrobiology with Pearson eText -- ValuePack Access Card -- for Microbiology with Diseases by Body System Package
1st Edition
ISBN: 9780133857122
Author: Robert W. Bauman Ph.D.
Publisher: PEARSON
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Chapter 18, Problem 4CT
Summary Introduction
To answer:
The people with B cell defect susceptible to bacterial infections and people with T-cell defect is susceptible to viral infection.
Introduction:
There are inherited antibodies that protect the body from the invading pathogens. There are different types of defense system hosted by the body; the best-known defense is the cell-mediated response. The cell-mediated response is, the body’s immune cells like b-cells and T-cells play a role in counteracting against the pathogens.
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Explain why the B cells response is described as “humoral”, but the T cell’s response is described as “cell-mediated”?
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Chapter 18 Solutions
Microbiology with Diseases by Body System & Modified MasteringMicrobiology with Pearson eText -- ValuePack Access Card -- for Microbiology with Diseases by Body System Package
Ch. 18 - Prob. 1CCSCh. 18 - Prob. 1TMWCh. 18 - Prob. 2TMWCh. 18 - A Case of AIDS A 25-year-old man is admitted to...Ch. 18 - Prob. 3TMWCh. 18 - The immunoglobulin class that mediates type I...Ch. 18 - The major inflammatory mediator released by...Ch. 18 - Hemolytic disease of the new born is caused by...Ch. 18 - Farmers lung is a hypersensitivity pneumonitis...Ch. 18 - A positive tuberculin skin test indicates that a...
Ch. 18 - Which of the following is an autoimmune disease?...Ch. 18 - When a surgeon conducts a cardiac bypass operation...Ch. 18 - A deficiency of both B cells and T cells is most...Ch. 18 - Prob. 9MCCh. 18 - What do medical personnel administer to counteract...Ch. 18 - Which of the following is not typically part of an...Ch. 18 - Prob. 12MCCh. 18 - Prob. 13MCCh. 18 - Prob. 14MCCh. 18 - Prob. 15MCCh. 18 - Prob. 1MTFCh. 18 - Prob. 2MTFCh. 18 - Prob. 3MTFCh. 18 - Prob. 4MTFCh. 18 - Modified True/False 5. ___ Graft-versus-host...Ch. 18 - Prob. 1MCh. 18 - Prob. 1SACh. 18 - Prob. 2SACh. 18 - Prob. 3SACh. 18 - Contrast autografts, isografts, allografts, and...Ch. 18 - Prob. 5SACh. 18 - Prob. 1VICh. 18 - Prob. 2VICh. 18 - Prob. 3VICh. 18 - Prob. 1CTCh. 18 - Why cant physicians use skin tests similar to the...Ch. 18 - Prob. 3CTCh. 18 - Prob. 4CTCh. 18 - What types of illnesses cause death in patients...Ch. 18 - Prob. 6CTCh. 18 - Why do the blisters of positive tuberculin...Ch. 18 - Retroviruses such as HIV use RNA as a primer for...Ch. 18 - Prob. 9CTCh. 18 - Reverse transcriptase is notoriously sloppy in...Ch. 18 - A patient arrives at the doctors office with a...Ch. 18 - Prob. 12CTCh. 18 - Prob. 13CTCh. 18 - Prob. 1CM
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- Distinguish between a. neutrophil and macrophage b. cytotoxic T cell and natural killer cell c. effector cell and memory cell d. antigen and antibodyarrow_forwardWhat is the difference between an allergy and an autoimmune response?arrow_forwardDescribe the main functions of B cells. What are the main five classes of antibodies, and their function? one page long.arrow_forward
- Which of the following is not a characteristic of memory B cells a.) Secretion of a large amount of antibodies b.) Long life up to decades c.) Having specific immunity against T-independent antigens d.) Requiring helper T Cell activationarrow_forwardWhen a helper T cell releases interleukin-1 to stimulate other leukocytes during antigen presentation, interleukin-1 is acting as a(n):arrow_forwardSketch a B cell antigen receptor. Label the V and C regions of the light and heavy chains. Label the antigenbinding sites, disulfide bridges, and transmembrane region. Where are these features located relative to the V and C regions?arrow_forward
- Explain the term immunoglobulin (IG).arrow_forwardThe immune system involves both the humoral and cell-mediated branches. It is known that T cells can perform a range of different functions once selected by antigen encounter, including secretion of soluble compounds to aid other white blood cells, such as B lymphocytes. If T cells can aid the function of B lymohocytes, then is it incorrect to say that both branches of the immune system (humoral and cell-mediated) involves B cells? I ask this question because I commonly hear that humoral immunity involves B cells rather than both branches.arrow_forwardDefine the following terms:a. T cellsb. B cellsc. cellular immunityd. humoral immunitye. myoadenylate deaminase deficiencyarrow_forward
- Define hypersensitivity. List three types of hypersensitivity reactions. For each, note whether antibodies or T cells are involved and provide two examples.arrow_forwardGenerally, polysaccharides are not good antigens, because B cells that recognize them cannot get T-cell help. But for some pathogens, such as Streptococcus pneumoniae opsonization by antibodies that bind the thick polysaccharide "capsule" layer surrounding the bacteria is the major mechanism of clearing the infection. As expected, a pure polysaccharide vaccine is not terribly effective, but much better immunity is achieved by vaccinating with a polysaccharide covalently linked "conjugated" to an unrelated protein. Explain how this conjugate vaccine allows B cells capable of making anti-polysaccharide antibodies.arrow_forwardDescribe how phagocytes recognize foreign cells. Explain the mechanism phagocytes use to kill engulfed cells. List some ways pathogens avoid the consequences of phagocytosis. Describe the cause, advantages and disadvantages of fever. Define complement and its role in host defensearrow_forward
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