Microorganisms and Disease Immunization with which of the following toxoid induces high titer serum antibody, but does not protect from the corresponding disease? Tetanus Diphtheria Botulism Shigellosis Tetanus Diphtheria Botulism Shigellosis 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 can live inside macrophages None of these The pathogen contains mycolic acid in its cell wall Antibodies to the pathogen are protective The pathogen can live inside macrophages None of these The pathogen contains mycolic acid in its cell wall Antibodies to the pathogen are protective 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 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? Malaria Rheumatic disease Chicken pox Typhoid Malaria Rheumatic disease Chicken pox Typhoid ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease The nature of the poliovirus gives for oral vaccination (satin vaccine) as part of the eradication programme is live attenuated strains of all three immunological types formalin-inactivated viruses small dosage of wild-type live viruses heat killed virus live attenuated strains of all three immunological types formalin-inactivated viruses small dosage of wild-type live viruses heat killed virus 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 EHEC secretes a Shiga-like toxin and EPEC does not EPEC passes through the placenta to infect the fetus and EHEC does not EHEC possesses a type III secretion system and EPEC does not EPEC rearranges host cell actin and EHEC does not EHEC secretes a Shiga-like toxin and EPEC does not EPEC passes through the placenta to infect the fetus and EHEC does not ANSWER DOWNLOAD EXAMIANS APP