Microorganisms and Disease Which is not a major defense mechanism in the stomach? Low pH Dense normal flora All of these Proteolytic enzymes Low pH Dense normal flora All of these Proteolytic enzymes ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease Both Mycobacterium tuberculosis and Streptococcus pneumoniae are acquired by inhalation stay in the lung and rarely, if ever, enter the bloodstream have polysaccharide capsules have cell walls that contain a high content of mycolic acids are acquired by inhalation stay in the lung and rarely, if ever, enter the bloodstream have polysaccharide capsules have cell walls that contain a high content of mycolic acids 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 B cells ciliated epithelial cells macrophages M cells B cells ciliated epithelial cells macrophages M cells ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease Lactoferrin helps to protect against pathogens by 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 lowering the pH ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease The influenza vaccine is administered each year because None of these the vaccine is sufficiently toxic to make it necessary to administer only a small amount at any one time mutations in the viral hemagglutinin may allow the virus to evade the immune response elicited by previous vaccines it is a polysaccharide vaccine that does not confer long-term protection None of these the vaccine is sufficiently toxic to make it necessary to administer only a small amount at any one time mutations in the viral hemagglutinin may allow the virus to evade the immune response elicited by previous vaccines it is a polysaccharide vaccine that does not confer long-term protection 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 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 live attenuated strains of all three immunological types formalin-inactivated viruses ANSWER DOWNLOAD EXAMIANS APP