17 Questions
What does LD50 stand for in microbiology?
Lethal Dose 50
Which of the following is an example of ID50?
5,000 to 10,000 spores
How do pathogens primarily gain entrance into the body through the skin?
Through hair follicles and sweat glands
What do pathogens use to attach to host tissue?
Fimbriae
Which feature plays a crucial role in tissue tropism?
Fimbriae
What does ID50 represent in microbiology?
Infectious Dose 50
What is the main difference between a pandemic and an epidemic disease?
The geographical area affected by the disease
What is the term for the ability of a microbe to cause disease?
Pathogenicity
What type of disease is normally found in a certain percentage of a population?
Endemic disease
What is the term for the degree of pathogenicity?
Virulence
What are the factors produced by a microorganism that induce pathology in a host?
Virulence factors
What is a disease condition caused by the presence or growth of infectious microorganisms or parasites?
Infectious disease
What is the defining characteristic of an opportunistic pathogen?
It is generally harmless but can cause disease when it gains access to other sites or tissues
What is the difference between pathogenicity and virulence?
Pathogenicity is the capacity of a microbe to cause disease in a host, while virulence is the degree of pathogenicity
What is the difference between an epidemic and a pandemic?
An epidemic is a sudden increase in the number of cases of a particular disease in a specific geographic area, while a pandemic is a global outbreak of a disease
What is the difference between an endemic and an epidemic disease?
An endemic disease is a disease that is always present in a specific population, while an epidemic disease is a sudden increase in the number of cases of a particular disease in a specific geographic area
Which of the following best describes the relationship between an obligate pathogen and its host?
The pathogen always causes disease
Learn the definitions of disease, infectious disease, and related terms such as -emia suffixes like bacteremia, viremia, fungemia, and septicemia. Enhance your understanding of different disease conditions caused by infectious microorganisms or parasites.
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