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?

Typhoid
Chicken pox
Malaria
Rheumatic disease

ANSWER DOWNLOAD EXAMIANS APP

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

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

ANSWER DOWNLOAD EXAMIANS APP

Microorganisms and Disease
A major difference between EHEC and EPEC is

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

ANSWER DOWNLOAD EXAMIANS APP

Microorganisms and Disease
The "A" subunit of diphtheria toxin

lysis macrophages with the release of cytokines
binds host cell receptors found on heart cells
cause ADP ribosylation of a factor involved in protein synthesis
forms cAMP that leads to fluid accumulation

ANSWER DOWNLOAD EXAMIANS APP