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 The most serious disease symptoms are the direct result of toxin action Diphtheria toxin and edema toxin are ADP ribosylating toxins Both organisms cause skin and respiratory tract infections Both organisms are gram-positive spore formers The most serious disease symptoms are the direct result of toxin action Diphtheria toxin and edema toxin are ADP ribosylating toxins Both organisms cause skin and respiratory tract infections ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease Mucus helps in protecting against pathogens by blocking access and attachment of pathogens to mucosal surfaces lowering the pH sequestering Iron facilitating the growth of normal flora blocking access and attachment of pathogens to mucosal surfaces lowering the pH sequestering Iron facilitating the growth of normal flora ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease Plastic implants can pose a serious nosocomial infection problem because phagocytes have trouble engulfing bacteria embedded in a biofilm All of these infected implants usually have to be surgically removed phagocytes have trouble moving on the plastic surface phagocytes have trouble engulfing bacteria embedded in a biofilm All of these infected implants usually have to be surgically removed phagocytes have trouble moving on the plastic surface ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease Which of the following statements is not true regarding Mycobacterium tuberculosis and/or the disease it causes? The pathogen can live inside macrophages The pathogen contains mycolic acid in its cell wall None of these Antibodies to the pathogen are protective The pathogen can live inside macrophages The pathogen contains mycolic acid in its cell wall None of these Antibodies to the pathogen are protective ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease The "A" subunit of diphtheria toxin forms cAMP that leads to fluid accumulation cause ADP ribosylation of a factor involved in protein synthesis lysis macrophages with the release of cytokines binds host cell receptors found on heart cells forms cAMP that leads to fluid accumulation cause ADP ribosylation of a factor involved in protein synthesis lysis macrophages with the release of cytokines binds host cell receptors found on heart cells ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease Coxsackie virus B3, a subgroup of enteroviruses, commonly causes gastroenteritis acute hemorrhagic conjunctivitis muscular dystrophy myocarditis gastroenteritis acute hemorrhagic conjunctivitis muscular dystrophy myocarditis ANSWER DOWNLOAD EXAMIANS APP