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NU 545 CHAPTER 10 EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS GRADED A++
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NU 545 CHAPTER 10 EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS GRADED A++ communicability ability of a pathogen to spread from person to person immunogenicity ability of a pathogen to induce an immune response infectivity ability of the pathogen to invade and multiply in the host mec...

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  • October 10, 2024
  • 22
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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NU 545 CHAPTER 10 EXAM QUESTIONS AND

ANSWERS WITH COMPLETE SOLUTIONS GRADED

A++


communicability


ability of a pathogen to spread from person to person


immunogenicity


ability of a pathogen to induce an immune response


infectivity


ability of the pathogen to invade and multiply in the host


mechanism of action


how a pathogen microorganism damages tissues


pathogenicity


ability of pathogen to cause a disease


portal of entry


route pathogen takes to enter a new reservoir or host


toxigenicity

,ability of a pathogen to produce soluble toxins or endotoxins, which greatly influence the degree of

virulence


virulence


capability of a pathogen to cause severe disease; potency


mutual symbiotic relationship


microorganism and human benefit


true pathogens


have devised means to circumvent and bypass the individual's defenses and cause infection


infection


this is usually dependent on adequate numbers of microorganisms rather than compromise in the host's

immune system defenses


incubation period


the period between exposure to an infection and the appearance of the first symptoms


prodromal stage


occurrence of initial symptoms; often very mild with feelings of discomfort and tiredness


invasion period


period where pathogen is multiplying rapidly, invading farther, and affecting the tissues at the initial site

of colonization


immune and inflammatory responses

, what responses are triggered during the invasion period?


convalescence


in most cases during this period, the individual's immune and inflammatory systems successfully remove

the infectious pathogen and symptoms decline, unless the disease is fatal or enters a period of latency

until further re-activated


fever


hallmark sign of most infectious diseases where body temperature is being regulated at higher

temperature than normal


endogenous pyrogens


these cytokines are produced by an individual's inflammatory response; raise the thermoregulatory set

point through stimulation of prostaglandin synthesis


hypothalamus


what acts as the body's thermostat to regulate body temperature


Interleukin-1 (IL-1)


this protein cytokine is an endogenous pyrogen known to raise body temperature


prostaglandin synthesis


what do endogenous pyrogens stimulate to raise body temperature in an adaptive host defense

response


endemic


diseases with relatively high but constant rates of infection in a particular population

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