Microorganisms and Disease
Both Mycobacterium tuberculosis and Streptococcus pneumoniae

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

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

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

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Microorganisms and Disease
A major difference between EHEC and EPEC is

EPEC passes through the placenta to infect the fetus and EHEC does not
EHEC secretes a Shiga-like toxin and EPEC does not
EPEC rearranges host cell actin and EHEC does not
EHEC possesses a type III secretion system and EPEC does not

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

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

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