Exam 16: Host-Microbe Interactions

Home-canned foods should be boiled before consumption to prevent botulism. Considering that this treatment does NOT destroy endospores, why would it be helpful in preventing the disease?

The chemical nature of exotoxins is that of a

The normal microbiota provides protection against potentially harmful organisms and stimulates the immune system. Why would the immune responses to members of the normal microbiota cross-react with pathogens?

The spread of toxin via circulation is called

Bacteria that resist killing by complement proteins are termed

Attributes of an organism that promote pathogenicity are called

The microorganisms that are occasionally found in or on the body are called

A human fetus has no resident microbial population.

An example of genetic variation used in pathogen survival may be

High concentrations of some bacteria are necessary for successful invasion because only at high density are their virulence genes expressed.

The symbiotic relationship wherein both partners benefit is termed

The suffix -emia means in the

Which is true about superantigens?

A more modern equivalent to Koch's Postulates is termed

If a disease affects only a human and not an animal, then it would be difficult to fulfill Koch's postulate number

People who carry and may spread pathogenic organisms without any overt symptoms of illness are called

Which of the following would be considered a sign of a disease?

Which is true about botox?

The composition of the normal flora may be affected by

The series of steps used to connect an organism to a disease are known as