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 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 activate T cells to proliferate and secrete cytokines survive within macrophages survive the acid pH of the stomach 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 within macrophages survive the acid pH of the stomach secrete LT (heat labile toxin) and ST (heat stable toxin) into the lumen of the intestine ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease Which of the following is true regarding anthrax? Anthrax is highly contagious Anthrax is caused by a virus Inhalation Anthrax requires infection with a large number of spores Inhalation anthrax and cutaneous anthrax are caused by separate strains of Bacillus anthracis Anthrax is highly contagious Anthrax is caused by a virus Inhalation Anthrax requires infection with a large number of spores Inhalation anthrax and cutaneous anthrax are caused by separate strains of Bacillus anthracis ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease The influenza vaccine is administered each year because 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 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 ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease Mucus helps in protecting against pathogens by sequestering Iron lowering the pH blocking access and attachment of pathogens to mucosal surfaces facilitating the growth of normal flora sequestering Iron lowering the pH blocking access and attachment of pathogens to mucosal surfaces facilitating the growth of normal flora ANSWER DOWNLOAD EXAMIANS APP
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