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 small dosage of wild-type live viruses heat killed virus formalin-inactivated viruses live attenuated strains of all three immunological types small dosage of wild-type live viruses heat killed virus formalin-inactivated viruses ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease Pseudomembraneous colitis is caused by a spore-forming bacterium All of these precipitated by the use of certain antibiotics caused by a gram-positive bacterium caused by a spore-forming bacterium All of these precipitated by the use of certain antibiotics caused by a gram-positive bacterium ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease The influenza vaccine is administered each year because the vaccine is sufficiently toxic to make it necessary to administer only a small amount at any one time mutations in the viral hemagglutinin may allow the virus to evade the immune response elicited by previous vaccines None of these it is a polysaccharide vaccine that does not confer long-term protection the vaccine is sufficiently toxic to make it necessary to administer only a small amount at any one time mutations in the viral hemagglutinin may allow the virus to evade the immune response elicited by previous vaccines None of these it is a polysaccharide vaccine that does not confer long-term protection ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease Which of the following is common in the disease caused by Coryne-bacterium diphtheriae and Bacillus anthracis? Diphtheria toxin and edema toxin are ADP ribosylating toxins Both organisms cause skin and respiratory tract infections The most serious disease symptoms are the direct result of toxin action Both organisms are gram-positive spore formers Diphtheria toxin and edema toxin are ADP ribosylating toxins Both organisms cause skin and respiratory tract infections The most serious disease symptoms are the direct result of toxin action Both organisms are gram-positive spore formers ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease In the human disease cholera, what is it that actually ends up killing the victim? Too little water in the food stream Faulty carrier proteins Dehydration and loss of nutrients the toxin produced by the bacterium Too little water in the food stream Faulty carrier proteins Dehydration and loss of nutrients the toxin produced by the bacterium ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease The "A" subunit of diphtheria toxin binds host cell receptors found on heart cells cause ADP ribosylation of a factor involved in protein synthesis forms cAMP that leads to fluid accumulation lysis macrophages with the release of cytokines binds host cell receptors found on heart cells cause ADP ribosylation of a factor involved in protein synthesis forms cAMP that leads to fluid accumulation lysis macrophages with the release of cytokines ANSWER DOWNLOAD EXAMIANS APP
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