Microorganisms and Disease The agent responsible for causing mad cow disease is thought to be a prion virus fungus protozoan prion virus fungus protozoan ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease Which of the following is true regarding anthrax? Anthrax is highly contagious 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 caused by a virus Anthrax is highly contagious 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 caused by a virus ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease Pseudomembraneous colitis is caused by a spore-forming bacterium precipitated by the use of certain antibiotics caused by a gram-positive bacterium All of these caused by a spore-forming bacterium precipitated by the use of certain antibiotics caused by a gram-positive bacterium All of these 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 Which of the following is common in the disease caused by Coryne-bacterium diphtheriae and Bacillus anthracis? Both organisms are gram-positive spore formers Both organisms cause skin and respiratory tract infections The most serious disease symptoms are the direct result of toxin action Diphtheria toxin and edema toxin are ADP ribosylating toxins Both organisms are gram-positive spore formers Both organisms cause skin and respiratory tract infections The most serious disease symptoms are the direct result of toxin action Diphtheria toxin and edema toxin are ADP ribosylating toxins 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 the acid pH of the stomach survive within macrophages 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 the acid pH of the stomach survive within macrophages 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