Microorganisms and Disease The "A" subunit of diphtheria toxin 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 forms cAMP that leads to fluid accumulation cause ADP ribosylation of a factor involved in protein synthesis lysis macrophages with the release of cytokines 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 are gram-positive spore formers Both organisms cause skin and respiratory tract infections Diphtheria toxin and edema toxin are ADP ribosylating toxins The most serious disease symptoms are the direct result of toxin action Both organisms are gram-positive spore formers Both organisms cause skin and respiratory tract infections Diphtheria toxin and edema toxin are ADP ribosylating toxins ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease Mucus helps in protecting against pathogens by 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 sequestering Iron lowering the pH ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease Which is not a major defense mechanism in the stomach? Dense normal flora All of these Proteolytic enzymes Low pH Dense normal flora All of these Proteolytic enzymes Low pH ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease Which of the following is true regarding anthrax? Inhalation anthrax and cutaneous anthrax are caused by separate strains of Bacillus anthracis Inhalation Anthrax requires infection with a large number of spores Anthrax is caused by a virus Anthrax is highly contagious Inhalation anthrax and cutaneous anthrax are caused by separate strains of Bacillus anthracis Inhalation Anthrax requires infection with a large number of spores Anthrax is caused by a virus Anthrax is highly contagious ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease The toxins produced by bacteria All of these kill viruses interfere with physiological processes in the body encourage bacterial reproduction All of these kill viruses interfere with physiological processes in the body encourage bacterial reproduction ANSWER DOWNLOAD EXAMIANS APP