Microorganisms and Disease Which is not a major defense mechanism in the stomach? Proteolytic enzymes Low pH All of these Dense normal flora Proteolytic enzymes Low pH All of these Dense normal flora ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease Which of the following statements is not true regarding Mycobacterium tuberculosis and/or the disease it causes? The pathogen contains mycolic acid in its cell wall Antibodies to the pathogen are protective None of these The pathogen can live inside macrophages The pathogen contains mycolic acid in its cell wall Antibodies to the pathogen are protective None of these The pathogen can live inside macrophages ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease Which of the following is true regarding anthrax? Inhalation Anthrax requires infection with a large number of spores Inhalation anthrax and cutaneous anthrax are caused by separate strains of Bacillus anthracis Anthrax is caused by a virus Anthrax is highly contagious Inhalation Anthrax requires infection with a large number of spores Inhalation anthrax and cutaneous anthrax are caused by separate strains of Bacillus anthracis Anthrax is caused by a virus Anthrax is highly contagious ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease Prontosil is an effective antibacterial when used in animals an effective antibacterial both in animals as well as in in-vitro cultures not used as an antibacterial agent an effective antibacterial when used in in-vitro cultures an effective antibacterial when used in animals an effective antibacterial both in animals as well as in in-vitro cultures not used as an antibacterial agent an effective antibacterial when used in in-vitro cultures 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 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 ADP ribosylation of adenylate cyclase that stops production of cAMP cleavage of rRNA that results in disruption of ribosome function 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 ADP ribosylation of adenylate cyclase that stops production of cAMP cleavage of rRNA that results in disruption of ribosome function 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 Diphtheria Tetanus Botulism Shigellosis Diphtheria Tetanus Botulism ANSWER DOWNLOAD EXAMIANS APP