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 is not a major defense mechanism in the stomach? All of these Low pH Dense normal flora Proteolytic enzymes All of these Low pH Dense normal flora Proteolytic enzymes ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease Pseudomembraneous colitis is caused by a spore-forming bacterium precipitated by the use of certain antibiotics caused by a gram-positive bacterium All of these caused by a spore-forming bacterium precipitated by the use of certain antibiotics caused by a gram-positive bacterium All of these ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease Which of the following statements is not true regarding Mycobacterium tuberculosis and/or the disease it causes? Antibodies to the pathogen are protective None of these The pathogen contains mycolic acid in its cell wall The pathogen can live inside macrophages Antibodies to the pathogen are protective None of these The pathogen contains mycolic acid in its cell wall The pathogen can live inside macrophages ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease What is common in catheters and ventilators? Bacteria responsible for associated infections are usually susceptible to antibiotics They are used primarily in neonatal intensive care units They bypass important defenses of the body They predispose patients to viral rather than bacterial infections Bacteria responsible for associated infections are usually susceptible to antibiotics They are used primarily in neonatal intensive care units They bypass important defenses of the body They predispose patients to viral rather than bacterial infections 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 M cells ciliated epithelial cells B cells macrophages M cells ciliated epithelial cells B cells macrophages ANSWER DOWNLOAD EXAMIANS APP
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