Microorganisms and Disease What is common in catheters and ventilators? They bypass important defenses of the body Bacteria responsible for associated infections are usually susceptible to antibiotics They are used primarily in neonatal intensive care units They predispose patients to viral rather than bacterial infections They bypass important defenses of the body Bacteria responsible for associated infections are usually susceptible to antibiotics 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 of the following is common in the disease caused by Coryne-bacterium diphtheriae and Bacillus anthracis? Both organisms cause skin and respiratory tract infections Diphtheria toxin and edema toxin are ADP ribosylating toxins Both organisms are gram-positive spore formers The most serious disease symptoms are the direct result of toxin action Both organisms cause skin and respiratory tract infections Diphtheria toxin and edema toxin are ADP ribosylating toxins 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 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 the acid pH of the stomach activate T cells to proliferate and secrete cytokines secrete LT (heat labile toxin) and ST (heat stable toxin) into the lumen of the intestine survive within macrophages survive the acid pH of the stomach activate T cells to proliferate and secrete cytokines secrete LT (heat labile toxin) and ST (heat stable toxin) into the lumen of the intestine survive within macrophages ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease The toxins produced by bacteria encourage bacterial reproduction interfere with physiological processes in the body All of these kill viruses encourage bacterial reproduction interfere with physiological processes in the body All of these kill viruses ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease Which of these cytokines is also known under the name cachectin? Interferon gamma Tumor necrosis factor (TNF) Interleukin 2 None of these Interferon gamma Tumor necrosis factor (TNF) Interleukin 2 None of these ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease Which of the following disease is caused by DNA viruses? Yellow fever Small pox Measles Poliomyelitis Yellow fever Small pox Measles Poliomyelitis ANSWER DOWNLOAD EXAMIANS APP
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