Microorganisms and Disease Lactoferrin helps to protect against pathogens by lowering the pH facilitating the growth of normal flora sequestering Iron blocking sebum production lowering the pH facilitating the growth of normal flora sequestering Iron 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 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 survive the acid pH of the stomach survive within macrophages 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 The pathogen contains mycolic acid in its cell wall None of these The pathogen can live inside macrophages Antibodies to the pathogen are protective The pathogen contains mycolic acid in its cell wall None of these The pathogen can live inside macrophages 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 Typhoid Chicken pox Rheumatic disease Malaria Typhoid Chicken pox Rheumatic disease ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease Fatalities following influenza infection are usually due to the dehydration formation of granulomas in the lung damage to the heart muscle bacterial superinfection dehydration formation of granulomas in the lung damage to the heart muscle bacterial superinfection 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
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