Microorganisms and Disease Lactoferrin helps to protect against pathogens by sequestering Iron lowering the pH facilitating the growth of normal flora blocking sebum production sequestering Iron lowering the pH facilitating the growth of normal flora blocking sebum production 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 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 activate T cells to proliferate and secrete cytokines 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 B cells ciliated epithelial cells M cells macrophages B cells ciliated epithelial cells M cells ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease The agent responsible for causing mad cow disease is thought to be a virus protozoan fungus prion virus protozoan fungus prion 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 heat killed virus live attenuated strains of all three immunological types formalin-inactivated viruses small dosage of wild-type live viruses heat killed virus live attenuated strains of all three immunological types formalin-inactivated viruses small dosage of wild-type live viruses 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 Both organisms cause skin and respiratory tract infections Diphtheria toxin and edema toxin are ADP ribosylating toxins The most serious disease symptoms are the direct result of toxin action Both organisms are gram-positive spore formers Both organisms cause skin and respiratory tract infections Diphtheria toxin and edema toxin are ADP ribosylating toxins ANSWER DOWNLOAD EXAMIANS APP
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