Microorganisms and Disease Which is not a major defense mechanism in the stomach? Proteolytic enzymes Dense normal flora Low pH All of these Proteolytic enzymes Dense normal flora Low pH All of these ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease The toxins produced by bacteria kill viruses All of these interfere with physiological processes in the body encourage bacterial reproduction kill viruses All of these interfere with physiological processes in the body encourage bacterial reproduction ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease Which of the following disease is caused by DNA viruses? Yellow fever Measles Poliomyelitis Small pox Yellow fever Measles Poliomyelitis Small pox ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease In the human disease cholera, what is it that actually ends up killing the victim? 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 Dehydration and loss of nutrients 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 activate T cells to proliferate and secrete cytokines survive within macrophages survive the acid pH of the stomach 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 within macrophages survive the acid pH of the stomach secrete LT (heat labile toxin) and ST (heat stable toxin) into the lumen of the intestine ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease Plastic implants can pose a serious nosocomial infection problem because phagocytes have trouble engulfing bacteria embedded in a biofilm phagocytes have trouble moving on the plastic surface All of these infected implants usually have to be surgically removed phagocytes have trouble engulfing bacteria embedded in a biofilm phagocytes have trouble moving on the plastic surface All of these infected implants usually have to be surgically removed ANSWER DOWNLOAD EXAMIANS APP