17 Questions
What is the term for a microorganism that is generally harmless but can cause disease when it gains access to other sites or tissues?
Opportunistic pathogen
Which of the following terms refers to the capacity of a microbial species to produce disease?
Pathogenicity
What is the type of relationship in which one organism benefits and the other is unaffected?
Commensalism
Which term does not describe a type of host-parasite relationship?
Pathogenicity
What is the term for living on or within another living organism?
Parasitism
What is the term for the infectious dose required to cause disease in 50% of inoculated test animals?
ID50
Which virulence factor allows pathogens to attach to host tissue?
Adherence
Which of the following virulence factors enables pathogens to destroy host cells?
Hyaluronidase
Which of the following types of diseases is typically restricted to a specific geographical area?
Endemic diseases
Which of the following pathogens has the highest ID50 value?
Vibrio cholerea
Which of the following virulence factors contributes to the evasion of host immune responses?
Capsule
What is the term for the ability of a microbe to cause disease?
Pathogenicity
A disease present in a greater than usual percentage of a specific population is known as a:
Epidemic
What is the term for a disease that is normally found in a certain percentage of a population?
Endemic
The degree of pathogenicity is known as:
Virulence
A disease affecting a large geographical area, often on a global scale, is known as a:
Pandemic
The factors produced by a microorganism that induce pathology in a host are called:
Virulence Factors
Learn about the definitions of disease, infectious disease, and common suffixes related to infectious agents like -emia. Explore terms like bacteremia, viremia, fungemia, and septicemia.
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