Multiple Choice
Which of the following bacteria has an unusual waxy cell wall structure that contributes to its virulence?
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1. Introduction to Microbiology
Members of the Bacterial World
Multiple Choice
Which of the following best describes microbes known as transient microbiota?
A
Microorganisms that are only found in sterile body sites
B
Microorganisms that temporarily inhabit the body and are removed by host defenses or competition with resident microbiota
C
Microorganisms that cause disease whenever present in the host
D
Microorganisms that permanently colonize the body and provide beneficial functions
Verified step by step guidance1
Understand the term 'transient microbiota' by breaking down the word: 'transient' means temporary or short-lived, and 'microbiota' refers to the community of microorganisms living in or on the body.
Recall that the human body hosts two main types of microbiota: resident microbiota, which permanently colonize certain body sites, and transient microbiota, which are temporary inhabitants.
Recognize that transient microbiota do not permanently stay on or in the body because they are often removed by the host's immune defenses or outcompeted by resident microbiota.
Eliminate options that describe permanent colonization or exclusive presence in sterile sites, as these do not fit the definition of transient microbiota.
Conclude that the best description of transient microbiota is microorganisms that temporarily inhabit the body and are removed by host defenses or competition with resident microbiota.
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