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Microorganisms and Disease

Microorganisms and Disease
The agent responsible for causing mad cow disease is thought to be a

fungus
prion
protozoan
virus

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Microorganisms and Disease
An important host defense of human beings is a dense resident microbiota associated with

bladder
lungs
vagina
uterus

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Microorganisms and Disease
Mucus helps in protecting against pathogens by

lowering the pH
blocking access and attachment of pathogens to mucosal surfaces
sequestering Iron
facilitating the growth of normal flora

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Microorganisms and Disease
Coxsackie virus B3, a subgroup of enteroviruses, commonly causes

muscular dystrophy
gastroenteritis
myocarditis
acute hemorrhagic conjunctivitis

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Microorganisms and Disease
Pseudomembraneous colitis is

All of these
caused by a spore-forming bacterium
caused by a gram-positive bacterium
precipitated by the use of certain antibiotics

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Microorganisms and Disease
In the human disease cholera, what is it that actually ends up killing the victim?

Faulty carrier proteins
Too little water in the food stream
the toxin produced by the bacterium
Dehydration and loss of nutrients

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