Microbiology: An Introduction (13th Edition)
Microbiology: An Introduction (13th Edition)
13th Edition
ISBN: 9780134605180
Author: Gerard J. Tortora, Berdell R. Funke, Christine L. Case, Derek Weber, Warner Bair
Publisher: PEARSON
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Chapter 14, Problem 1R
Summary Introduction

To review:

The medical terminologies.

Introduction:

To study disease and its pathogenesis, knowledge about various terminologies is necessary. Many terminologies may resemble same, but they vary in their meaning.

Expert Solution & Answer
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Explanation of Solution

  • Etiology is the factor that cause an illness. Pathogenesis is the progression of disease or mechanism that leads to the diseased state.
  • Infection is a specific type of disease caused by the invasion of an infectious agent into the body, their multiplication, and reaction of the host body to that infectious agent. Disease is related to the occurrence of cases and outbreaks caused by a pathogen in a group of people.
  • Communicable disease spreads from one person to another either directly or indirectly through air, water, or food. Therefore, it is a contagious disease. Non communicable disease does not spread from person to person and they are caused by factors like allergy or malnutrition. Therefore, it is a non-contagious disease.
Conclusion

Etiology and pathogenesis, infection and disease, communicable and non-communicable disease are used in similar situations but their meaning changes significantly.

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Differentiate the terms in each of the following pairs a. etiology and pathogenesis b. infection and diseases c. communicable disease and noncommunicable disease
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