Microorganisms and Disease
Pseudomembraneous colitis is

All of these
caused by a spore-forming bacterium
caused by a gram-positive bacterium
precipitated by the use of certain antibiotics

ANSWER DOWNLOAD EXAMIANS APP

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

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

ANSWER DOWNLOAD EXAMIANS APP