17 Questions
What are the two main categories that the normal flora in humans typically fall into?
Resident flora and transient flora
Give an example of a resident flora found in the intestine.
Escherichia coli
What is the term used to describe the diverse group of microbial population that every human being harbors on their skin and mucous membranes?
Normal microbial flora
What happens if the resident flora gets disturbed due to any reasons?
Transient flora may colonize and produce disease
Which group of microorganisms can patients in hospitals acquire as transient flora from healthcare workers and the hospital environment?
Resistant organisms
What is the acronym for Methicillin-resistant Staphylococcus aureus?
MRSA
What term is used to describe microorganisms that inhabit the body surface or mucous membranes temporarily for a short interval?
Transient flora
Name two multidrug-resistant gram-negative organisms that can be found in the respiratory tract.
Klebsiella and Escherichia coli
What factors influence the presence of normal flora in a body site?
Local temperature, moisture, pH, environmental flora, immunity, anatomical site
What factors can affect the uniqueness of a human virome?
Age, life style, diet, pre-existing immunity, geographic location, seasonal variation
What is the virome?
The collection of viruses in and on the human body
What is a skin virome and give an example of viruses that colonize the human skin?
Skin virome refers to viruses that colonize the human skin. Examples include human papillomavirus and bacteriophages.
How do viruses evolve in the human virome?
Rapidly
Can life be sustained without normal flora?
Yes
What is the total population of normal flora in humans in terms of bacteria count?
$10^{14}$ bacteria
Which type of flora dominates over the other in terms of anaerobic and aerobic bacteria?
Anaerobic flora dominates over aerobes
What technological advancement has made it possible to gather information about human viral microbiota?
Deep sequencing technique
Explore the microbiology of normal flora and the role of normal flora in maintaining human health. Learn about the diverse group of microbial population that every human being harbors on their skin and mucous membranes.
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