Microorganisms and Disease Plastic implants can pose a serious nosocomial infection problem because All of these phagocytes have trouble moving on the plastic surface phagocytes have trouble engulfing bacteria embedded in a biofilm infected implants usually have to be surgically removed All of these phagocytes have trouble moving on the plastic surface phagocytes have trouble engulfing bacteria embedded in a biofilm infected implants usually have to be surgically removed 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 predispose patients to viral rather than bacterial infections They bypass important defenses of the body They are used primarily in neonatal intensive care units Bacteria responsible for associated infections are usually susceptible to antibiotics They predispose patients to viral rather than bacterial infections They bypass important defenses of the body They are used primarily in neonatal intensive care units ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease The agent responsible for causing mad cow disease is thought to be a protozoan fungus virus prion protozoan fungus virus prion 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? Botulism Shigellosis Tetanus Diphtheria Botulism Shigellosis Tetanus Diphtheria ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease In the human disease cholera, what is it that actually ends up killing the victim? Dehydration and loss of nutrients Faulty carrier proteins Too little water in the food stream the toxin produced by the bacterium Dehydration and loss of nutrients Faulty carrier proteins Too little water in the food stream the toxin produced by the 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 survive within macrophages 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 the acid pH of the stomach survive within macrophages activate T cells to proliferate and secrete cytokines secrete LT (heat labile toxin) and ST (heat stable toxin) into the lumen of the intestine ANSWER DOWNLOAD EXAMIANS APP