Microorganisms and Disease Which of the following is common in the disease caused by Coryne-bacterium diphtheriae and Bacillus anthracis? Diphtheria toxin and edema toxin are ADP ribosylating toxins The most serious disease symptoms are the direct result of toxin action Both organisms cause skin and respiratory tract infections Both organisms are gram-positive spore formers Diphtheria toxin and edema toxin are ADP ribosylating toxins The most serious disease symptoms are the direct result of toxin action Both organisms cause skin and respiratory tract infections Both organisms are gram-positive spore formers ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease Which of the following characteristic of the Rotavirus was important for the construction of the Rotashield vaccine? The possession of a segmented RNA genome The ability of the Rotavirus to be transmitted faster The ability of monkey Rotavirus strains to cause serious illness (diarrhea) in human beings A limited number of capsule types The possession of a segmented RNA genome The ability of the Rotavirus to be transmitted faster The ability of monkey Rotavirus strains to cause serious illness (diarrhea) in human beings A limited number of capsule types 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 M cells B cells ciliated epithelial cells macrophages M cells B cells ciliated epithelial cells macrophages ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease Both Mycobacterium tuberculosis and Streptococcus pneumoniae stay in the lung and rarely, if ever, enter the bloodstream have polysaccharide capsules are acquired by inhalation have cell walls that contain a high content of mycolic acids stay in the lung and rarely, if ever, enter the bloodstream have polysaccharide capsules are acquired by inhalation have cell walls that contain a high content of mycolic acids ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease The influenza vaccine is administered each year because None of these it is a polysaccharide vaccine that does not confer long-term protection mutations in the viral hemagglutinin may allow the virus to evade the immune response elicited by previous vaccines the vaccine is sufficiently toxic to make it necessary to administer only a small amount at any one time None of these it is a polysaccharide vaccine that does not confer long-term protection mutations in the viral hemagglutinin may allow the virus to evade the immune response elicited by previous vaccines 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 All infections do not cause fever and all fevers are not due to infections which of the following is an example of non-infections cause of fever? Typhoid Malaria Chicken pox Rheumatic disease Typhoid Malaria Chicken pox Rheumatic disease ANSWER DOWNLOAD EXAMIANS APP
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