126. Koch's Postulates Question Preview (ID: 50728)


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All Microorganisms help keep humans healthy.
a) True
b) False
c)
d)

People previously thought that evil spirits made them sick.
a) True
b) False
c)
d)

Spontaneous generation means that things just appear out of thin air.
a) True
b) False
c)
d)

_______________theory was a created by Mr. Pasteur.
a) bacteria
b) germ
c) fermentation
d) wheat

infections from contact with microorganisms can lead to
a) healthy bodies
b) sickness
c) regeneration
d) spontaneous generation

_____ postulates contain four basic rules.
a) Pastuer
b) Lous
c) Koch
d) Newton

The second rule involves ________ the microbes outside of the host.
a) growing
b) killing
c) mutating
d) freezing

How did Koch test if microbes were causing diesase?
a) he studied independent microbes under a microscope
b) he ingested microbes
c) he exposed humans to microbes
d) he exposed animals to microbes

What do Koch's postulates test?
a) if a microbe can spontaneously generate
b) if a microbe is making a plant or animal sick
c) if a microbe is making a plant or animal healthy
d) if a microbe is mutated

What is Koch's 1st postulate?
a) The microorganism must be found in abundance in all organisms suffering from the disease, but should not be found in healthy
b) The cultured microorganism should cause disease when introduced into a healthy organism.
c) The microorganism must be isolated from a diseased organism and grown in pure culture.
d) The microorganism must be reisolated from the inoculated, diseased experimental host and identified as being identical to the

What is Koch's 2nd postulate?
a) The microorganism must be found in abundance in all organisms suffering from the disease, but should not be found in healthy
b) The cultured microorganism should cause disease when introduced into a healthy organism.
c) The microorganism must be isolated from a diseased organism and grown in pure culture.
d) The microorganism must be reisolated from the inoculated, diseased experimental host and identified as being identical to the

What is Koch's 3rd postulate?
a) The microorganism must be found in abundance in all organisms suffering from the disease, but should not be found in healthy
b) The cultured microorganism should cause disease when introduced into a healthy organism.
c) The microorganism must be reisolated from the inoculated, diseased experimental host and identified as being identical to the
d) The microorganism must be isolated from a diseased organism and grown in pure culture.

What is Koch's 4th postulate?
a) The microorganism must be found in abundance in all organisms suffering from the disease, but should not be found in healthy
b) The cultured microorganism should cause disease when introduced into a healthy organism.
c) The microorganism must be reisolated from the inoculated, diseased experimental host and identified as being identical to the
d) The microorganism must be isolated from a diseased organism and grown in pure culture.

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