Microorganisms and Disease Pseudomembraneous colitis is caused by a spore-forming bacterium All of these precipitated by the use of certain antibiotics caused by a gram-positive bacterium caused by a spore-forming bacterium All of these precipitated by the use of certain antibiotics caused by a gram-positive bacterium ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease Which is not a major defense mechanism in the stomach? Proteolytic enzymes All of these Dense normal flora Low pH Proteolytic enzymes All of these Dense normal flora Low pH ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease Both Mycobacterium tuberculosis and Streptococcus pneumoniae 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 have cell walls that contain a high content of mycolic acids ANSWER DOWNLOAD EXAMIANS APP
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 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 The most serious disease symptoms are the direct result of toxin action Diphtheria toxin and edema toxin are ADP ribosylating toxins ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease Which of the following characteristic of the Rotavirus was important for the construction of the Rotashield vaccine? The possession of a segmented RNA genome The ability of the Rotavirus to be transmitted faster The ability of monkey Rotavirus strains to cause serious illness (diarrhea) in human beings A limited number of capsule types The possession of a segmented RNA genome The ability of the Rotavirus to be transmitted faster The ability of monkey Rotavirus strains to cause serious illness (diarrhea) in human beings A limited number of capsule types ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease Which of these cytokines is also known under the name cachectin? Tumor necrosis factor (TNF) None of these Interferon gamma Interleukin 2 Tumor necrosis factor (TNF) None of these Interferon gamma Interleukin 2 ANSWER DOWNLOAD EXAMIANS APP