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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contact with the B-cell receptor.
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_forwardMention the site in the body where the B-cells and T-cells are formed. Give one difference between them.arrow_forward
- Describe the requirements for activation of helper T cells by macrophages. Explain how helper T cells promote the immunological defenses provided by cytotoxic T cells and by B cells.arrow_forwardExplain the reason that T-cells are so critical in recognizing and destroying virally-infected host cells.arrow_forwardMany cells in the human body have proteins on the surface that are able to interact with the receptors of helper T cells. Explain the mechanisms and why it is that such an interaction or signal does not usually result in an autoimmune reaction?arrow_forward
- Describe in detail what is meant by a "self- restricted/ self-tolerant" T cell. A diagram is helpful here.arrow_forwardWhich 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_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
- List the subclasses of T-helper cells and state the type(s) of the pathogen(s) targeted by each?arrow_forwardExplain 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_forward
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