Microorganisms and Disease Which is not a major defense mechanism in the stomach? Dense normal flora Low pH Proteolytic enzymes All of these Dense normal flora Low pH Proteolytic enzymes All of these 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 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 Antibodies to the pathogen are protective 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 macrophages B cells ciliated epithelial cells M cells macrophages B cells ciliated epithelial cells M cells ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease An important host defense of human beings is a dense resident microbiota associated with vagina uterus bladder lungs vagina uterus bladder lungs ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease Lactoferrin helps to protect against pathogens by sequestering Iron facilitating the growth of normal flora lowering the pH blocking sebum production sequestering Iron facilitating the growth of normal flora lowering the pH blocking sebum production ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease The "A" subunit of diphtheria toxin 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 forms cAMP that leads to fluid accumulation ANSWER DOWNLOAD EXAMIANS APP