Microorganisms and Disease Which is not a major defense mechanism in the stomach? Low pH Proteolytic enzymes Dense normal flora All of these Low pH Proteolytic enzymes Dense normal flora All of these 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 B cells ciliated epithelial cells M cells macrophages B cells ciliated epithelial cells M cells macrophages 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 Interleukin 2 Interferon gamma Tumor necrosis factor (TNF) None of these Interleukin 2 Interferon gamma ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease Pseudomembraneous colitis is caused by a spore-forming bacterium caused by a gram-positive bacterium precipitated by the use of certain antibiotics All of these caused by a spore-forming bacterium caused by a gram-positive bacterium precipitated by the use of certain antibiotics All of these ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease Immunization with which of the following toxoid induces high titer serum antibody, but does not protect from the corresponding disease? Diphtheria Botulism Tetanus Shigellosis Diphtheria Botulism Tetanus Shigellosis ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease The "A" subunit of diphtheria toxin binds host cell receptors found on heart cells cause ADP ribosylation of a factor involved in protein synthesis lysis macrophages with the release of cytokines forms cAMP that leads to fluid accumulation binds host cell receptors found on heart cells cause ADP ribosylation of a factor involved in protein synthesis lysis macrophages with the release of cytokines forms cAMP that leads to fluid accumulation ANSWER DOWNLOAD EXAMIANS APP