Microorganisms and Disease
The toxins produced by bacteria

interfere with physiological processes in the body
encourage bacterial reproduction
kill viruses
All of these

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Microorganisms and Disease
Prontosil is

an effective antibacterial when used in animals
an effective antibacterial when used in in-vitro cultures
not used as an antibacterial agent
an effective antibacterial both in animals as well as in in-vitro cultures

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Microorganisms and Disease
What is common in catheters and ventilators?

They predispose patients to viral rather than bacterial infections
Bacteria responsible for associated infections are usually susceptible to antibiotics
They bypass important defenses of the body
They are used primarily in neonatal intensive care units

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