Microorganisms and Disease Which is not a major defense mechanism in the stomach? Proteolytic enzymes Dense normal flora All of these Low pH Proteolytic enzymes Dense normal flora All of these Low pH 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 A limited number of capsule types The ability of monkey Rotavirus strains to cause serious illness (diarrhea) in human beings The possession of a segmented RNA genome The ability of the Rotavirus to be transmitted faster A limited number of capsule types The ability of monkey Rotavirus strains to cause serious illness (diarrhea) in human beings 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 survive within macrophages survive the acid pH of the stomach 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 within macrophages survive the acid pH of the stomach activate T cells to proliferate and secrete cytokines secrete LT (heat labile toxin) and ST (heat stable toxin) into the lumen of the intestine ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease The nature of the poliovirus gives for oral vaccination (satin vaccine) as part of the eradication programme is live attenuated strains of all three immunological types heat killed virus formalin-inactivated viruses small dosage of wild-type live viruses live attenuated strains of all three immunological types heat killed virus formalin-inactivated viruses small dosage of wild-type live viruses 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? Rheumatic disease Chicken pox Malaria Typhoid Rheumatic disease Chicken pox Malaria Typhoid 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