Infection and Infectious Agents

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Questions and Answers

What is the term for the growth of microorganisms in body tissue where they are not usually found?

  • Microorganism
  • Infectious agent
  • Infection (correct)
  • Disease

What is another term for microorganism in the context of infection?

  • Pathogen
  • Infectious agent (correct)
  • Infection
  • Disease

Where do microorganisms typically grow in the body during an infection?

  • In the bloodstream
  • In body tissue where they are not usually found (correct)
  • In body tissue where they are usually found
  • In the skin

What is the result of microorganisms growing in body tissue where they are not usually found?

<p>Infection (B)</p>
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What is the term for the microorganisms themselves that cause infection?

<p>Infectious agent (A)</p>
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What is the ability of a microorganism to produce disease?

<p>Pathogenicity (D)</p>
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What is a pathogen?

<p>A microorganism that causes disease (C)</p>
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What does asepsis refer to?

<p>The freedom from disease-causing microorganisms (D)</p>
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What is the opposite of pathogenicity?

<p>Asepsis (D)</p>
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What is the result of a pathogen's ability to produce disease?

<p>Disease (A)</p>
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What is the main purpose of medical asepsis?

<p>To confine a specific microorganism to a specific area (A)</p>
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What is the main goal of asepsis?

<p>To limit the number and growth of microorganisms (C)</p>
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What does medical asepsis involve?

<p>All practices intended to confine microorganisms to a specific area (D)</p>
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What is the result of proper medical asepsis?

<p>Limited growth and transmission of microorganisms (D)</p>
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Why is medical asepsis important?

<p>To prevent the transmission of microorganisms (C)</p>
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What is the main role of certain cells in the body?

<p>To prevent colonization of pathogenic microorganisms (D)</p>
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What characteristic do pathogenic bacteria typically have?

<p>Greater virulence and ability to cause infections (D)</p>
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What is the result of the colonization of pathogenic microorganisms in the human body?

<p>Infections and diseases occur (A)</p>
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What is the relationship between virulence and infections?

<p>Virulence increases the risk of infections (A)</p>
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Why are certain cells important for the human body?

<p>They prevent the colonization of pathogenic microorganisms (C)</p>
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What is the characteristic of a chronic infection?

<p>It occurs slowly and lasts for months or years (C)</p>
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How long can a chronic infection last?

<p>Months or years (A)</p>
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What is the progression of a chronic infection like?

<p>Slow and gradual (C)</p>
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When can a chronic infection occur?

<p>At any time and last for a long period (D)</p>
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What is unique about the duration of a chronic infection?

<p>It can be very long (B)</p>
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Study Notes

Infection

  • Infection occurs when microorganisms grow in body tissue where they are not usually found.
  • Microorganisms in this context are called infectious agents.

Pathogenicity

  • Pathogenicity refers to the ability of microorganisms to produce disease.
  • A pathogen is a microorganism that causes disease.

Asepsis

  • Asepsis means freedom from disease-causing microorganisms.
  • There are two basic types of asepsis: medical asepsis and another type not specified in the text.

Medical Asepsis

  • Medical asepsis involves practices that confine specific microorganisms to specific areas.
  • These practices limit the number, growth, and transmission of microorganisms.
  • Medical asepsis has a significant protective role by preventing the colonization of pathogenic microorganisms.

Pathogenic Bacteria

  • Pathogenic bacteria have greater virulence and cause infections.
  • Chronic infections caused by pathogenic bacteria may occur slowly over a long period and last months or years.

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