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Microbiology Exam

Chapters 13, 18, 19, and 20

QuestionAnswer
Explain the meaning of the term normal flora/biota. In what sorts of activities are they beneficial? When can they become harmful? Bacterial biota benefit the host by preventing the overgrowth of harmful microorganisms. Hosts w/ compromised immune systems could be infected by their own biota.
What is the difference between a true/primary pathogen and an opportunistic one? True/primary pathogen can cause disease in healthy individuals w/ normal immune systems. Opportunistic pathogenscause disease only when host immunocompromised or when in a region of the body not natural to them
What are the ways a newborn acquires normal flora?
Name the portals of entry of human pathogens. Be able to name at least one pathogen per portal of entry.
Name typical bacterial virulence factors and how they specifically enhance disease.
What are some examples of endotoxins and exotoxins produced by pathogens to cause damage to the host? Which one travels to target tissue despite where the infection originates?
What is LPS? How does it cause problems for the host?
What infections can cause problems during a pregnancy?
What purpose do BSLs serve? What are they? What types of things fit into each of those categories?
What sorts of things do humans have that hinders the progress of infections/diseases?
What are the steps to the progress of infection? What happens in each of those steps?
Created by: 627404032
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