Microorganisms and Disease Both Mycobacterium tuberculosis and Streptococcus pneumoniae have cell walls that contain a high content of mycolic acids are acquired by inhalation have polysaccharide capsules stay in the lung and rarely, if ever, enter the bloodstream have cell walls that contain a high content of mycolic acids are acquired by inhalation have polysaccharide capsules stay in the lung and rarely, if ever, enter the bloodstream ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease The influenza vaccine is administered each year because 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 None of these ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease Immunization with which of the following toxoid induces high titer serum antibody, but does not protect from the corresponding disease? Botulism Diphtheria Shigellosis Tetanus Botulism Diphtheria Shigellosis Tetanus ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease Lactoferrin helps to protect against pathogens by blocking sebum production facilitating the growth of normal flora lowering the pH sequestering Iron blocking sebum production facilitating the growth of normal flora lowering the pH sequestering Iron ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease Which of the following disease is caused by DNA viruses? Small pox Yellow fever Measles Poliomyelitis Small pox Yellow fever Measles Poliomyelitis 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
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