Microorganisms and Disease Which is not a major defense mechanism in the stomach? Dense normal flora Low pH All of these Proteolytic enzymes Dense normal flora Low pH All of these Proteolytic enzymes ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease Which of the following is true regarding anthrax? Anthrax is highly contagious Anthrax is caused by a virus Inhalation anthrax and cutaneous anthrax are caused by separate strains of Bacillus anthracis Inhalation Anthrax requires infection with a large number of spores Anthrax is highly contagious Anthrax is caused by a virus Inhalation anthrax and cutaneous anthrax are caused by separate strains of Bacillus anthracis Inhalation Anthrax requires infection with a large number of spores ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease Pseudomembraneous colitis is 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 caused by a spore-forming bacterium All of these 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 secrete LT (heat labile toxin) and ST (heat stable toxin) into the lumen of the intestine survive the acid pH of the stomach survive within macrophages 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 the acid pH of the stomach survive within macrophages activate T cells to proliferate and secrete cytokines ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease A major difference between EHEC and EPEC is 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 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 ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease Which of the following characteristic of the Rotavirus was important for the construction of the Rotashield vaccine? The ability of the Rotavirus to be transmitted faster The ability of monkey Rotavirus strains to cause serious illness (diarrhea) in human beings A limited number of capsule types The possession of a segmented RNA genome The ability of the Rotavirus to be transmitted faster The ability of monkey Rotavirus strains to cause serious illness (diarrhea) in human beings A limited number of capsule types The possession of a segmented RNA genome ANSWER DOWNLOAD EXAMIANS APP
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