Microorganisms and Disease
All infections do not cause fever and all fevers are not due to infections which of the following is an example of non-infections cause of fever?

Rheumatic disease
Chicken pox
Malaria
Typhoid

ANSWER DOWNLOAD EXAMIANS APP

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
They are used primarily in neonatal intensive care units
Bacteria responsible for associated infections are usually susceptible to antibiotics

ANSWER DOWNLOAD EXAMIANS APP

Microorganisms and Disease
Type III secretion systems are used to inject "effector" proteins directly into a host cell. Salmonella uses a type III secretion system to help the pathogen to

survive within macrophages
survive the acid pH of the stomach
activate T cells to proliferate and secrete cytokines
secrete LT (heat labile toxin) and ST (heat stable toxin) into the lumen of the intestine

ANSWER DOWNLOAD EXAMIANS APP