Microorganisms and Disease
Pseudomembraneous colitis is

caused by a spore-forming bacterium
All of these
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

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

ANSWER DOWNLOAD EXAMIANS APP

Microorganisms and Disease
What is common in catheters and ventilators?

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

ANSWER DOWNLOAD EXAMIANS APP

Microorganisms and Disease
Prontosil is

not used as an antibacterial agent
an effective antibacterial when used in animals
an effective antibacterial when used in in-vitro cultures
an effective antibacterial both in animals as well as in in-vitro cultures

ANSWER DOWNLOAD EXAMIANS APP