Microorganisms and Disease Pseudomembraneous colitis is All of these caused by a gram-positive bacterium precipitated by the use of certain antibiotics caused by a spore-forming bacterium All of these caused by a gram-positive bacterium precipitated by the use of certain antibiotics caused by a spore-forming bacterium 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 Which of the following is true regarding anthrax? Anthrax is caused by a virus 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 highly contagious Anthrax is caused by a virus 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 highly contagious ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease Which of these cytokines is also known under the name cachectin? Interleukin 2 Interferon gamma None of these Tumor necrosis factor (TNF) Interleukin 2 Interferon gamma None of these Tumor necrosis factor (TNF) ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease Plastic implants can pose a serious nosocomial infection problem because All of these phagocytes have trouble moving on the plastic surface infected implants usually have to be surgically removed phagocytes have trouble engulfing bacteria embedded in a biofilm All of these phagocytes have trouble moving on the plastic surface infected implants usually have to be surgically removed phagocytes have trouble engulfing bacteria embedded in a biofilm ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease The influenza vaccine is administered each year because None of these 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 mutations in the viral hemagglutinin may allow the virus to evade the immune response elicited by previous vaccines None of these 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 mutations in the viral hemagglutinin may allow the virus to evade the immune response elicited by previous vaccines ANSWER DOWNLOAD EXAMIANS APP
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