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 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 of these cytokines is also known under the name cachectin? Interleukin 2 Tumor necrosis factor (TNF) Interferon gamma None of these Interleukin 2 Tumor necrosis factor (TNF) Interferon gamma None of these ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease Type III secretion systems are used to inject "effector" proteins directly into a host cell. Salmonella uses a type III secretion system to help the pathogen to survive within macrophages secrete LT (heat labile toxin) and ST (heat stable toxin) into the lumen of the intestine activate T cells to proliferate and secrete cytokines survive the acid pH of the stomach survive within macrophages secrete LT (heat labile toxin) and ST (heat stable toxin) into the lumen of the intestine activate T cells to proliferate and secrete cytokines survive the acid pH of the stomach 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 The most serious disease symptoms are the direct result of toxin action Both organisms cause skin and respiratory tract infections Both organisms are gram-positive spore formers Diphtheria toxin and edema toxin are ADP ribosylating toxins The most serious disease symptoms are the direct result of toxin action Both organisms cause skin and respiratory tract infections Both organisms are gram-positive spore formers ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease Mucus helps in protecting against pathogens by facilitating the growth of normal flora lowering the pH blocking access and attachment of pathogens to mucosal surfaces sequestering Iron facilitating the growth of normal flora lowering the pH blocking access and attachment of pathogens to mucosal surfaces sequestering Iron ANSWER DOWNLOAD EXAMIANS APP
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