Microorganisms and Disease Pseudomembraneous colitis is caused by a gram-positive bacterium All of these caused by a spore-forming bacterium precipitated by the use of certain antibiotics caused by a gram-positive bacterium All of these caused by a spore-forming bacterium precipitated by the use of certain antibiotics ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease Mucus helps in protecting against pathogens by lowering the pH sequestering Iron facilitating the growth of normal flora blocking access and attachment of pathogens to mucosal surfaces lowering the pH sequestering Iron facilitating the growth of normal flora blocking access and attachment of pathogens to mucosal surfaces ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease An important host defense of human beings is a dense resident microbiota associated with bladder lungs vagina uterus bladder lungs vagina uterus ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease Which of the following is common in the disease caused by Coryne-bacterium diphtheriae and Bacillus anthracis? Diphtheria toxin and edema toxin are ADP ribosylating toxins Both organisms cause skin and respiratory tract infections Both organisms are gram-positive spore formers The most serious disease symptoms are the direct result of toxin action Diphtheria toxin and edema toxin are ADP ribosylating toxins Both organisms cause skin and respiratory tract infections Both organisms are gram-positive spore formers The most serious disease symptoms are the direct result of toxin action ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease What is common in catheters and ventilators? They are used primarily in neonatal intensive care units Bacteria responsible for associated infections are usually susceptible to antibiotics They bypass important defenses of the body They predispose patients to viral rather than bacterial infections They are used primarily in neonatal intensive care units Bacteria responsible for associated infections are usually susceptible to antibiotics They bypass important defenses of the body 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? Dense normal flora All of these Proteolytic enzymes Low pH Dense normal flora All of these Proteolytic enzymes Low pH ANSWER DOWNLOAD EXAMIANS APP
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