Microorganisms and Disease The "A" subunit of diphtheria toxin forms cAMP that leads to fluid accumulation binds host cell receptors found on heart cells lysis macrophages with the release of cytokines cause ADP ribosylation of a factor involved in protein synthesis forms cAMP that leads to fluid accumulation binds host cell receptors found on heart cells lysis macrophages with the release of cytokines cause ADP ribosylation of a factor involved in protein synthesis ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease Which of the following disease is not caused by microbial protein toxin? Diphtheria Shigella dysentery Tuberculosis Botulism Diphtheria Shigella dysentery Tuberculosis Botulism ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease Which is not a major defense mechanism in the stomach? Proteolytic enzymes Dense normal flora All of these Low pH Proteolytic enzymes Dense normal flora All of these Low pH 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 secrete LT (heat labile toxin) and ST (heat stable toxin) into the lumen of the intestine activate T cells to proliferate and secrete cytokines survive the acid pH of the stomach survive within macrophages secrete LT (heat labile toxin) and ST (heat stable toxin) into the lumen of the intestine activate T cells to proliferate and secrete cytokines survive the acid pH of the stomach survive within macrophages ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease Pseudomembraneous colitis is caused by a spore-forming bacterium precipitated by the use of certain antibiotics All of these caused by a gram-positive bacterium caused by a spore-forming bacterium precipitated by the use of certain antibiotics All of these caused by a gram-positive bacterium ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease Cholera toxin is an A-B type toxin in which the B portions bind to a receptor on a host cell and the A portion enters the cell to cause cleavage of rRNA that results in disruption of ribosome function ADP ribosylation of adenylate cyclase that stops production of cAMP ADP ribosylation of a G protein that locks it into an active form that stimulates adenylate cyclase to make cAMP ADP ribosylation of guanylate cyclase that stimulates production of cGMP cleavage of rRNA that results in disruption of ribosome function ADP ribosylation of adenylate cyclase that stops production of cAMP ADP ribosylation of a G protein that locks it into an active form that stimulates adenylate cyclase to make cAMP ADP ribosylation of guanylate cyclase that stimulates production of cGMP ANSWER DOWNLOAD EXAMIANS APP
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