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 it is a polysaccharide vaccine that does not confer long-term protection None of these 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 it is a polysaccharide vaccine that does not confer long-term protection None of these ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease Which is not a major defense mechanism in the stomach? Low pH All of these Dense normal flora Proteolytic enzymes Low pH All of these Dense normal flora Proteolytic enzymes ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease The agent responsible for causing mad cow disease is thought to be a prion virus protozoan fungus prion virus protozoan fungus ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease Which of these cytokines is also known under the name cachectin? Interleukin 2 Tumor necrosis factor (TNF) Interferon gamma None of these Interleukin 2 Tumor necrosis factor (TNF) Interferon gamma None of these ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease Both Mycobacterium tuberculosis and Streptococcus pneumoniae stay in the lung and rarely, if ever, enter the bloodstream are acquired by inhalation have polysaccharide capsules have cell walls that contain a high content of mycolic acids stay in the lung and rarely, if ever, enter the bloodstream are acquired by inhalation have polysaccharide capsules have cell walls that contain a high content of mycolic acids 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 small dosage of wild-type live viruses formalin-inactivated viruses live attenuated strains of all three immunological types heat killed virus small dosage of wild-type live viruses formalin-inactivated viruses live attenuated strains of all three immunological types heat killed virus ANSWER DOWNLOAD EXAMIANS APP
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