Microorganisms and Disease Which of these cytokines is also known under the name cachectin? Interferon gamma None of these Tumor necrosis factor (TNF) Interleukin 2 Interferon gamma None of these Tumor necrosis factor (TNF) Interleukin 2 ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease Which of the following statements is not true regarding Mycobacterium tuberculosis and/or the disease it causes? None of these Antibodies to the pathogen are protective The pathogen can live inside macrophages The pathogen contains mycolic acid in its cell wall None of these Antibodies to the pathogen are protective The pathogen can live inside macrophages The pathogen contains mycolic acid in its cell wall ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease Immunization with which of the following toxoid induces high titer serum antibody, but does not protect from the corresponding disease? Shigellosis Botulism Tetanus Diphtheria Shigellosis Botulism Tetanus Diphtheria ANSWER DOWNLOAD EXAMIANS APP
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 predispose patients to viral rather than bacterial infections They are used primarily in neonatal intensive care units They bypass important defenses of the body Bacteria responsible for associated infections are usually susceptible to antibiotics They predispose patients to viral rather than bacterial infections They are used primarily in neonatal intensive care units ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease Pseudomembraneous colitis is caused by a spore-forming bacterium All of these precipitated by the use of certain antibiotics caused by a gram-positive bacterium caused by a spore-forming bacterium All of these precipitated by the use of certain antibiotics caused by a gram-positive bacterium 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 survive within macrophages secrete LT (heat labile toxin) and ST (heat stable toxin) into the lumen of the intestine survive the acid pH of the stomach activate T cells to proliferate and secrete cytokines survive within macrophages secrete LT (heat labile toxin) and ST (heat stable toxin) into the lumen of the intestine ANSWER DOWNLOAD EXAMIANS APP