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 Diphtheria toxin and edema toxin are ADP ribosylating toxins Both organisms cause skin and respiratory tract infections The most serious disease symptoms are the direct result of toxin action Both organisms are gram-positive spore formers Diphtheria toxin and edema toxin are ADP ribosylating toxins Both organisms cause skin and respiratory tract infections The most serious disease symptoms are the direct result of toxin action ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease Which is not a major defense mechanism in the stomach? All of these Low pH Dense normal flora Proteolytic enzymes All of these Low pH Dense normal flora Proteolytic enzymes ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease The "A" subunit of diphtheria toxin forms cAMP that leads to fluid accumulation binds host cell receptors found on heart cells lysis macrophages with the release of cytokines cause ADP ribosylation of a factor involved in protein synthesis forms cAMP that leads to fluid accumulation binds host cell receptors found on heart cells lysis macrophages with the release of cytokines cause ADP ribosylation of a factor involved in protein synthesis ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease Mucus helps in protecting against pathogens by sequestering Iron lowering the pH facilitating the growth of normal flora blocking access and attachment of pathogens to mucosal surfaces sequestering Iron lowering the pH facilitating the growth of normal flora blocking access and attachment of pathogens to mucosal surfaces ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease Prontosil is an effective antibacterial when used in in-vitro cultures an effective antibacterial when used in animals an effective antibacterial both in animals as well as in in-vitro cultures not used as an antibacterial agent an effective antibacterial when used in in-vitro cultures an effective antibacterial when used in animals an effective antibacterial both in animals as well as in in-vitro cultures not used as an antibacterial agent ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease Both Mycobacterium tuberculosis and Streptococcus pneumoniae have cell walls that contain a high content of mycolic acids stay in the lung and rarely, if ever, enter the bloodstream are acquired by inhalation have polysaccharide capsules have cell walls that contain a high content of mycolic acids stay in the lung and rarely, if ever, enter the bloodstream are acquired by inhalation have polysaccharide capsules ANSWER DOWNLOAD EXAMIANS APP