Microorganisms and Disease The agent responsible for causing mad cow disease is thought to be a prion protozoan virus fungus prion protozoan virus fungus ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease Mucus helps in protecting against pathogens by facilitating the growth of normal flora sequestering Iron blocking access and attachment of pathogens to mucosal surfaces lowering the pH facilitating the growth of normal flora sequestering Iron blocking access and attachment of pathogens to mucosal surfaces lowering the pH 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 macrophages B cells M cells ciliated epithelial cells macrophages B cells M cells ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease Which of the following statements is not true regarding Mycobacterium tuberculosis and/or the disease it causes? Antibodies to the pathogen are protective The pathogen contains mycolic acid in its cell wall None of these The pathogen can live inside macrophages Antibodies to the pathogen are protective The pathogen contains mycolic acid in its cell wall None of these The pathogen can live inside macrophages 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 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 Both organisms are gram-positive spore formers Both organisms cause skin and respiratory tract infections ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease The "A" subunit of diphtheria toxin 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 forms cAMP that leads to fluid accumulation binds host cell receptors found on heart cells lysis macrophages with the release of cytokines ANSWER DOWNLOAD EXAMIANS APP
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