Microorganisms and Disease Which is not a major defense mechanism in the stomach? Dense normal flora Proteolytic enzymes All of these Low pH Dense normal flora Proteolytic enzymes All of these Low pH 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 activate T cells to proliferate and secrete cytokines survive the acid pH of the stomach secrete LT (heat labile toxin) and ST (heat stable toxin) into the lumen of the intestine survive within macrophages activate T cells to proliferate and secrete cytokines 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 Which of the following is true regarding anthrax? Inhalation Anthrax requires infection with a large number of spores Inhalation anthrax and cutaneous anthrax are caused by separate strains of Bacillus anthracis Anthrax is highly contagious Anthrax is caused by a virus Inhalation Anthrax requires infection with a large number of spores Inhalation anthrax and cutaneous anthrax are caused by separate strains of Bacillus anthracis Anthrax is highly contagious Anthrax is caused by a virus ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease Both Mycobacterium tuberculosis and Streptococcus pneumoniae have polysaccharide capsules have cell walls that contain a high content of mycolic acids are acquired by inhalation stay in the lung and rarely, if ever, enter the bloodstream have polysaccharide capsules have cell walls that contain a high content of mycolic acids are acquired by inhalation stay in the lung and rarely, if ever, enter the bloodstream 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 infected implants usually have to be surgically removed All of these phagocytes have trouble engulfing bacteria embedded in a biofilm phagocytes have trouble moving on the plastic surface infected implants usually have to be surgically removed All of these ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease Which of these cytokines is also known under the name cachectin? Tumor necrosis factor (TNF) None of these Interferon gamma Interleukin 2 Tumor necrosis factor (TNF) None of these Interferon gamma Interleukin 2 ANSWER DOWNLOAD EXAMIANS APP
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