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 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 heat killed virus ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease Which of these cytokines is also known under the name cachectin? Interleukin 2 Interferon gamma None of these Tumor necrosis factor (TNF) Interleukin 2 Interferon gamma None of these Tumor necrosis factor (TNF) ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease Lactoferrin helps to protect against pathogens by blocking sebum production facilitating the growth of normal flora sequestering Iron lowering the pH blocking sebum production facilitating the growth of normal flora sequestering Iron lowering the pH 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 secrete LT (heat labile toxin) and ST (heat stable toxin) into the lumen of the intestine survive the acid pH of the stomach activate T cells to proliferate and secrete cytokines survive within macrophages secrete LT (heat labile toxin) and ST (heat stable toxin) into the lumen of the intestine survive the acid pH of the stomach activate T cells to proliferate and secrete cytokines ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease Both Mycobacterium tuberculosis and Streptococcus pneumoniae have polysaccharide capsules have cell walls that contain a high content of mycolic acids stay in the lung and rarely, if ever, enter the bloodstream are acquired by inhalation have polysaccharide capsules have cell walls that contain a high content of mycolic acids stay in the lung and rarely, if ever, enter the bloodstream are acquired by inhalation ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease A major difference between EHEC and EPEC is EHEC possesses a type III secretion system and EPEC does not EHEC secretes a Shiga-like toxin and EPEC does not EPEC passes through the placenta to infect the fetus and EHEC does not EPEC rearranges host cell actin and EHEC does not EHEC possesses a type III secretion system and EPEC does not EHEC secretes a Shiga-like toxin and EPEC does not EPEC passes through the placenta to infect the fetus and EHEC does not EPEC rearranges host cell actin and EHEC does not ANSWER DOWNLOAD EXAMIANS APP
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