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 are used primarily in neonatal intensive care units
They bypass important defenses of the body

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Microorganisms and Disease
Prontosil is

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

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