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Name: 22 Host defense mechanisms that are present at birth and provide nonsp
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Description: 22 Host defense mechanisms that are present at birth and provide nonspecificresistance to infection would be classified as:InnateAcquiredAdaptive

Science

Biology

Host defense mechanisms that are present at birth and provide nonspecific resistance to infection would be classified as: Innate Acquired Adaptive

Body Structures & Functions Updated

13th Edition

ISBN:9780357191606

Author:Scott

Publisher:Scott

Chapter16: Infection Control And Standard Precautions

Section: Chapter Questions

Problem 4FITB

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Describe some factors that weaken host defenses and increase susceptibility to infection.
Pathogenic infections induce damage to the host by a variety of mechanisms. While many mechanisms are direct effects of the pathogen, some damaging mechanisms result from the immune response to the infection. Examples of damage caused by the host immune response are: a) Exotoxin production, endotoxin b) Cell-mediated inmunity, direct cytopathic effect c) Endotoxin, inmmunune complexes d) Direct cythopathic effect, endotoxin e) Cell-mediated inmunity, inmmunune complexes
Describe host tissue specificity for pathogens.
Explain the two main features that characterize the third line of host defense mechanisms.
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All of the following are mechanisms used by pathogens to penetrate host defenses EXCEPT: 1. Capsules 2. Enzymes 3. Antigenic variation 4. None of the other four answers (all are examples of how pathogens penetrate host defenses) 5. Penetration of cytoskeleton
Describe the course of infection from contact with the pathogen to its exit from the host.
Describe the difference between the terms INFECTION and DISEASE. Starting with exposure to pathogens, describe IN DETAIL the steps involved in the infection process ( exposure, adherence, invasion and multiplication) as well as the disease process( Toxicity, invasiveness, tissue or system damage)
. Describe the physical barriers to infection
In the case of pathogen infections, chronic inflammation indicates that the pathogen has become an established part of the host's resident microbiota. that the host does not have functional defense mechanisms. that the host is fighting a lengthy battle against the pathogen. that the pathogen infection has been effectively overcome by the host.
Microbial recognition and tissue damage initiate an inflammatory response. True/False: The inflammatory response is characterized by four classic symptoms: heat, redness, pain, and swelling. In some instances, this response can be triggered by stimuli that are non-infectious such as asbestos, a process known as ‘sterile inflammation.’ When exposure to the stimulating trigger is persistent, a state of chronic inflammation can result. This process is likely to be detrimental to the health of the host.
Although technically not part of the immune system,nonpathogenic normal microbiota play a major role inpreventing disease. Describe this role.