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 M cells B cells ciliated epithelial cells macrophages M cells B cells ciliated epithelial cells ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease Mucus helps in protecting against pathogens by lowering the pH blocking access and attachment of pathogens to mucosal surfaces facilitating the growth of normal flora sequestering Iron lowering the pH blocking access and attachment of pathogens to mucosal surfaces facilitating the growth of normal flora sequestering Iron ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease What is common in catheters and ventilators? Bacteria responsible for associated infections are usually susceptible to antibiotics They bypass important defenses of the body They are used primarily in neonatal intensive care units They predispose patients to viral rather than bacterial infections Bacteria responsible for associated infections are usually susceptible to antibiotics They bypass important defenses of the body They are used primarily in neonatal intensive care units They predispose patients to viral rather than bacterial infections ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease Which is not a major defense mechanism in the stomach? Low pH All of these Dense normal flora Proteolytic enzymes Low pH All of these Dense normal flora Proteolytic enzymes ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease An important host defense of human beings is a dense resident microbiota associated with vagina uterus lungs bladder vagina uterus lungs bladder 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 Antibodies to the pathogen are protective None of these The pathogen can live inside macrophages The pathogen contains mycolic acid in its cell wall Antibodies to the pathogen are protective None of these ANSWER DOWNLOAD EXAMIANS APP