Microorganisms and Disease The influenza vaccine is administered each year because None of these mutations in the viral hemagglutinin may allow the virus to evade the immune response elicited by previous vaccines the vaccine is sufficiently toxic to make it necessary to administer only a small amount at any one time it is a polysaccharide vaccine that does not confer long-term protection None of these mutations in the viral hemagglutinin may allow the virus to evade the immune response elicited by previous vaccines the vaccine is sufficiently toxic to make it necessary to administer only a small amount at any one time it is a polysaccharide vaccine that does not confer long-term protection ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease Which of these cytokines is also known under the name cachectin? None of these Tumor necrosis factor (TNF) Interferon gamma Interleukin 2 None of these Tumor necrosis factor (TNF) Interferon gamma Interleukin 2 ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease Which of the following disease is not caused by microbial protein toxin? Botulism Diphtheria Shigella dysentery Tuberculosis Botulism Diphtheria Shigella dysentery Tuberculosis ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease Type III secretion systems are used to inject "effector" proteins directly into a host cell. Salmonella uses a type III secretion system to help the pathogen to survive within macrophages survive the acid pH of the stomach activate T cells to proliferate and secrete cytokines secrete LT (heat labile toxin) and ST (heat stable toxin) into the lumen of the intestine survive within macrophages survive the acid pH of the stomach activate T cells to proliferate and secrete cytokines secrete LT (heat labile toxin) and ST (heat stable toxin) into the lumen of the intestine ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease Coxsackie virus B3, a subgroup of enteroviruses, commonly causes gastroenteritis muscular dystrophy myocarditis acute hemorrhagic conjunctivitis gastroenteritis muscular dystrophy myocarditis acute hemorrhagic conjunctivitis ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease Pseudomembraneous colitis is 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 caused by a spore-forming bacterium precipitated by the use of certain antibiotics ANSWER DOWNLOAD EXAMIANS APP
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