Microorganisms and Disease
What is common in catheters and ventilators?

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

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Microorganisms and Disease
Prontosil is

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

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Microorganisms and Disease
Which of the following is true regarding anthrax?

Inhalation anthrax and cutaneous anthrax are caused by separate strains of Bacillus anthracis
Anthrax is caused by a virus
Anthrax is highly contagious
Inhalation Anthrax requires infection with a large number of spores

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