Microorganisms and Disease Immunization with which of the following toxoid induces high titer serum antibody, but does not protect from the corresponding disease? Botulism Tetanus Shigellosis Diphtheria Botulism Tetanus Shigellosis Diphtheria ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease The "A" subunit of diphtheria toxin cause ADP ribosylation of a factor involved in protein synthesis lysis macrophages with the release of cytokines binds host cell receptors found on heart cells forms cAMP that leads to fluid accumulation cause ADP ribosylation of a factor involved in protein synthesis lysis macrophages with the release of cytokines binds host cell receptors found on heart cells forms cAMP that leads to fluid accumulation ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease Which of the following is common in the disease caused by Coryne-bacterium diphtheriae and Bacillus anthracis? The most serious disease symptoms are the direct result of toxin action Both organisms are gram-positive spore formers Diphtheria toxin and edema toxin are ADP ribosylating toxins Both organisms cause skin and respiratory tract infections The most serious disease symptoms are the direct result of toxin action Both organisms are gram-positive spore formers Diphtheria toxin and edema toxin are ADP ribosylating toxins Both organisms cause skin and respiratory tract infections 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 monkey Rotavirus strains to cause serious illness (diarrhea) in human beings The ability of the Rotavirus to be transmitted faster A limited number of capsule types The possession of a segmented RNA genome The ability of monkey Rotavirus strains to cause serious illness (diarrhea) in human beings The ability of the Rotavirus to be transmitted faster A limited number of capsule types The possession of a segmented RNA genome 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 survive within macrophages secrete LT (heat labile toxin) and ST (heat stable toxin) into the lumen of the intestine activate T cells to proliferate and secrete cytokines survive the acid pH of the stomach survive within macrophages 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 these cytokines is also known under the name cachectin? Interferon gamma Tumor necrosis factor (TNF) Interleukin 2 None of these Interferon gamma Tumor necrosis factor (TNF) Interleukin 2 None of these ANSWER DOWNLOAD EXAMIANS APP
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