Microorganisms and Disease The "A" subunit of diphtheria toxin lysis macrophages with the release of cytokines binds host cell receptors found on heart cells cause ADP ribosylation of a factor involved in protein synthesis forms cAMP that leads to fluid accumulation lysis macrophages with the release of cytokines binds host cell receptors found on heart cells cause ADP ribosylation of a factor involved in protein synthesis forms cAMP that leads to fluid accumulation 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 Each of the 3 virulence factors of Bacillus anthracis i.e. the capsule, edema toxin and lethal toxin can affect the activity of B cells ciliated epithelial cells M cells macrophages B cells ciliated epithelial cells M cells macrophages ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease The nature of the poliovirus gives for oral vaccination (satin vaccine) as part of the eradication programme is live attenuated strains of all three immunological types formalin-inactivated viruses small dosage of wild-type live viruses heat killed virus live attenuated strains of all three immunological types formalin-inactivated viruses small dosage of wild-type live viruses heat killed virus ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease Which of the following is common in the disease caused by Coryne-bacterium diphtheriae and Bacillus anthracis? 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 Diphtheria toxin and edema toxin are ADP ribosylating toxins ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease Both Mycobacterium tuberculosis and Streptococcus pneumoniae 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 stay in the lung and rarely, if ever, enter the bloodstream ANSWER DOWNLOAD EXAMIANS APP
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