Microorganisms and Disease
Both Mycobacterium tuberculosis and Streptococcus pneumoniae

have polysaccharide capsules
stay in the lung and rarely, if ever, enter the bloodstream
are acquired by inhalation
have cell walls that contain a high content of mycolic acids

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Microorganisms and Disease
What is common in catheters and ventilators?

They are used primarily in neonatal intensive care units
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

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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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