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Factors Affecting Microbial Growth and Multiplication

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Factors Affecting Microbial Growth and Multiplication

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Questions and Answers

What factors may prevent a microbe from multiplying at a particular anatomic site?

Presence of reagents to facilitate multiplication

Absence of factors required for microbial growth

Lack of necessary warmth, moisture, and nutrients (correct)

Presence of necessary warmth, moisture, and nutrients

What must many pathogens do before they are able to multiply and cause damage?

Attach to specific receptor sites (correct)

Create new receptor sites

Destroy the receptor sites

Avoid receptor sites at all costs

What is an example of microbial antagonism in the context of immunity?

Absence of antibodies in the host

Host's immune response weakening over time

Presence of necessary nutrients for pathogen growth

Indigenous microbiota producing bacteriocins (correct)

How does an individual's nutritional status influence the outcome of a pathogen-host encounter?

It affects the overall health status and immunity Signup and view all the answers

Which factor can engulf and destroy a pathogen before it multiplies, invades, and causes disease?

Immunity due to prior infection Signup and view all the answers

Why is the word 'infection' sometimes used as a synonym for infectious disease?

It is a common term used by health care professionals. Signup and view all the answers

What does pathogenicity refer to?

The ability of a microbe to cause disease. Signup and view all the answers

Why might someone be infected with a pathogen but not develop the infectious disease caused by that pathogen?

Because the microbiota in their body counteracts the pathogen. Signup and view all the answers

What does a pathologist specialize in?

The structural and functional manifestations of disease. Signup and view all the answers

Why might some people not get sick even after being exposed to a pathogen?

Strong immune response that prevents pathogen multiplication. Signup and view all the answers

What does infectious disease refer to?

The state where a pathogen causes harm or symptoms in a host. Signup and view all the answers

What is the main reason why phagocytes are unable to attach to encapsulated bacteria?

Lack of surface receptors Signup and view all the answers

What is the consequence of encapsulated bacteria not being ingested by phagocytes?

They escape into the bloodstream and multiply Signup and view all the answers

Which of the following is an example of an encapsulated bacterium mentioned in the text?

Klebsiella pneumoniae Signup and view all the answers

What is the function of flagella in bacteria according to the text?

Enable bacteria to evade phagocytosis and invade body areas Signup and view all the answers

Which of the following is NOT a characteristic of coagulase produced by S. aureus?

Destroys tissues Signup and view all the answers

What is the role of kinases produced by pathogens?

Enable pathogens to evade clots and escape Signup and view all the answers