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
Which of the following is common in the disease caused by Coryne-bacterium diphtheriae and Bacillus anthracis?

Both organisms are gram-positive spore formers
The most serious disease symptoms are the direct result of toxin action
Diphtheria toxin and edema toxin are ADP ribosylating toxins
Both organisms cause skin and respiratory tract infections

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Microorganisms and Disease
Plastic implants can pose a serious nosocomial infection problem because

All of these
infected implants usually have to be surgically removed
phagocytes have trouble moving on the plastic surface
phagocytes have trouble engulfing bacteria embedded in a biofilm

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