Microorganisms and Disease Which is not a major defense mechanism in the stomach? All of these Proteolytic enzymes Low pH Dense normal flora All of these Proteolytic enzymes Low pH Dense normal flora ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease Pseudomembraneous colitis is caused by a gram-positive bacterium All of these precipitated by the use of certain antibiotics caused by a spore-forming bacterium caused by a gram-positive bacterium All of these precipitated by the use of certain antibiotics caused by a spore-forming bacterium ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease Each of the 3 virulence factors of Bacillus anthracis i.e. the capsule, edema toxin and lethal toxin can affect the activity of macrophages M cells ciliated epithelial cells B cells macrophages M cells ciliated epithelial cells B cells 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 activate T cells to proliferate and secrete cytokines survive the acid pH of the stomach secrete LT (heat labile toxin) and ST (heat stable toxin) into the lumen of the intestine survive within macrophages activate T cells to proliferate and secrete cytokines survive the acid pH of the stomach secrete LT (heat labile toxin) and ST (heat stable toxin) into the lumen of the intestine survive within macrophages ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease The "A" subunit of diphtheria toxin lysis macrophages with the release of cytokines cause ADP ribosylation of a factor involved in protein synthesis forms cAMP that leads to fluid accumulation binds host cell receptors found on heart cells lysis macrophages with the release of cytokines cause ADP ribosylation of a factor involved in protein synthesis forms cAMP that leads to fluid accumulation binds host cell receptors found on heart cells ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease Coxsackie virus B3, a subgroup of enteroviruses, commonly causes myocarditis muscular dystrophy gastroenteritis acute hemorrhagic conjunctivitis myocarditis muscular dystrophy gastroenteritis acute hemorrhagic conjunctivitis ANSWER DOWNLOAD EXAMIANS APP
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