Microorganisms and Disease Pseudomembraneous colitis is All of these caused by a spore-forming bacterium caused by a gram-positive bacterium precipitated by the use of certain antibiotics All of these caused by a spore-forming bacterium caused by a gram-positive bacterium precipitated by the use of certain antibiotics ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease Which of these cytokines is also known under the name cachectin? Tumor necrosis factor (TNF) Interleukin 2 Interferon gamma None of these Tumor necrosis factor (TNF) Interleukin 2 Interferon gamma None of these ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease In the human disease cholera, what is it that actually ends up killing the victim? Too little water in the food stream the toxin produced by the bacterium Faulty carrier proteins Dehydration and loss of nutrients Too little water in the food stream the toxin produced by the bacterium Faulty carrier proteins Dehydration and loss of nutrients 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 cause ADP ribosylation of a factor involved in protein synthesis binds host cell receptors found on heart cells forms cAMP that leads to fluid accumulation lysis macrophages with the release of cytokines cause ADP ribosylation of a factor involved in protein synthesis binds host cell receptors found on heart cells forms cAMP that leads to fluid accumulation lysis macrophages with the release of cytokines ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease All infections do not cause fever and all fevers are not due to infections which of the following is an example of non-infections cause of fever? Malaria Chicken pox Typhoid Rheumatic disease Malaria Chicken pox Typhoid Rheumatic disease ANSWER DOWNLOAD EXAMIANS APP
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