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 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 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 ADP ribosylation of adenylate cyclase that stops production of cAMP ADP ribosylation of guanylate cyclase that stimulates production of cGMP ADP ribosylation of a G protein that locks it into an active form that stimulates adenylate cyclase to make cAMP cleavage of rRNA that results in disruption of ribosome function ADP ribosylation of adenylate cyclase that stops production of cAMP ADP ribosylation of guanylate cyclase that stimulates production of cGMP ADP ribosylation of a G protein that locks it into an active form that stimulates adenylate cyclase to make cAMP cleavage of rRNA that results in disruption of ribosome function ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease Lactoferrin helps to protect against pathogens by blocking sebum production lowering the pH facilitating the growth of normal flora sequestering Iron blocking sebum production lowering the pH facilitating the growth of normal flora sequestering Iron ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease Mucus helps in protecting against pathogens by lowering the pH facilitating the growth of normal flora sequestering Iron blocking access and attachment of pathogens to mucosal surfaces lowering the pH facilitating the growth of normal flora sequestering Iron blocking access and attachment of pathogens to mucosal surfaces ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease In the human disease cholera, what is it that actually ends up killing the victim? Dehydration and loss of nutrients Too little water in the food stream Faulty carrier proteins the toxin produced by the bacterium Dehydration and loss of nutrients Too little water in the food stream Faulty carrier proteins the toxin produced by the bacterium ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease Each of the 3 virulence factors of Bacillus anthracis i.e. the capsule, edema toxin and lethal toxin can affect the activity of B cells macrophages M cells ciliated epithelial cells B cells macrophages M cells ciliated epithelial cells ANSWER DOWNLOAD EXAMIANS APP
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