Microorganisms and Disease The influenza vaccine is administered each year because None of these 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 the vaccine is sufficiently toxic to make it necessary to administer only a small amount at any one time None of these 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 the vaccine is sufficiently toxic to make it necessary to administer only a small amount at any one time 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? Diphtheria Botulism Tetanus Shigellosis Diphtheria Botulism Tetanus Shigellosis ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease In the human disease cholera, what is it that actually ends up killing the victim? Too little water in the food stream the toxin produced by the bacterium Dehydration and loss of nutrients Faulty carrier proteins Too little water in the food stream the toxin produced by the bacterium Dehydration and loss of nutrients Faulty carrier proteins ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease Lactoferrin helps to protect against pathogens by blocking sebum production 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 ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease Pseudomembraneous colitis is caused by a spore-forming bacterium All of these precipitated by the use of certain antibiotics caused by a gram-positive bacterium caused by a spore-forming bacterium All of these precipitated by the use of certain antibiotics caused by a gram-positive bacterium 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 ciliated epithelial cells B cells macrophages M cells ciliated epithelial cells B cells macrophages M cells ANSWER DOWNLOAD EXAMIANS APP