Microorganisms and Disease Which is not a major defense mechanism in the stomach? Dense normal flora All of these Low pH Proteolytic enzymes Dense normal flora All of these Low pH Proteolytic enzymes 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 Both Mycobacterium tuberculosis and Streptococcus pneumoniae are acquired by inhalation stay in the lung and rarely, if ever, enter the bloodstream have cell walls that contain a high content of mycolic acids have polysaccharide capsules are acquired by inhalation stay in the lung and rarely, if ever, enter the bloodstream have cell walls that contain a high content of mycolic acids have polysaccharide capsules ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease Immunization with which of the following toxoid induces high titer serum antibody, but does not protect from the corresponding disease? Shigellosis Tetanus Botulism Diphtheria Shigellosis Tetanus Botulism Diphtheria 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 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 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 ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease Lactoferrin helps to protect against pathogens by blocking sebum production sequestering Iron lowering the pH facilitating the growth of normal flora blocking sebum production sequestering Iron lowering the pH facilitating the growth of normal flora ANSWER DOWNLOAD EXAMIANS APP
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