Microorganisms and Disease Which of the following characteristic of the Rotavirus was important for the construction of the Rotashield vaccine? The ability of the Rotavirus to be transmitted faster The ability of monkey Rotavirus strains to cause serious illness (diarrhea) in human beings A limited number of capsule types The possession of a segmented RNA genome The ability of the Rotavirus to be transmitted faster The ability of monkey Rotavirus strains to cause serious illness (diarrhea) in human beings A limited number of capsule types The possession of a segmented RNA genome ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease Which is not a major defense mechanism in the stomach? Low pH Dense normal flora Proteolytic enzymes All of these Low pH Dense normal flora Proteolytic enzymes All of these ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease What is common in catheters and ventilators? They predispose patients to viral rather than bacterial infections Bacteria responsible for associated infections are usually susceptible to antibiotics They are used primarily in neonatal intensive care units They bypass important defenses of the body They predispose patients to viral rather than bacterial infections Bacteria responsible for associated infections are usually susceptible to antibiotics They are used primarily in neonatal intensive care units They bypass important defenses of the body 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 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 survive the acid pH of the stomach activate T cells to proliferate and secrete cytokines survive within macrophages ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease Each of the 3 virulence factors of Bacillus anthracis i.e. the capsule, edema toxin and lethal toxin can affect the activity of macrophages B cells ciliated epithelial cells M cells macrophages B cells ciliated epithelial cells M cells ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease Which of the following is true regarding anthrax? Inhalation anthrax and cutaneous anthrax are caused by separate strains of Bacillus anthracis Anthrax is caused by a virus Anthrax is highly contagious 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 caused by a virus Anthrax is highly contagious Inhalation Anthrax requires infection with a large number of spores ANSWER DOWNLOAD EXAMIANS APP
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