Microorganisms and Disease
Lactoferrin helps to protect against pathogens by

facilitating the growth of normal flora
lowering the pH
sequestering Iron
blocking sebum production

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Microorganisms and Disease
Which of the following characteristic of the Rotavirus was important for the construction of the Rotashield vaccine?

The possession of a segmented RNA genome
The ability of the Rotavirus to be transmitted faster
A limited number of capsule types
The ability of monkey Rotavirus strains to cause serious illness (diarrhea) in human beings

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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
phagocytes have trouble engulfing bacteria embedded in a biofilm
infected implants usually have to be surgically removed

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Microorganisms and Disease
What is common in catheters and ventilators?

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

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