Microorganisms and Disease Which is not a major defense mechanism in the stomach? Dense normal flora Low pH Proteolytic enzymes All of these Dense normal flora Low pH Proteolytic enzymes All of these ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease A major difference between EHEC and EPEC is EPEC passes through the placenta to infect the fetus and EHEC does not EHEC secretes a Shiga-like toxin and EPEC does not EPEC rearranges host cell actin and EHEC does not EHEC possesses a type III secretion system and EPEC does not EPEC passes through the placenta to infect the fetus and EHEC does not EHEC secretes a Shiga-like toxin and EPEC does not EPEC rearranges host cell actin and EHEC does not EHEC possesses a type III secretion system and EPEC does not ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease In the human disease cholera, what is it that actually ends up killing the victim? the toxin produced by the bacterium Dehydration and loss of nutrients Too little water in the food stream Faulty carrier proteins the toxin produced by the bacterium Dehydration and loss of nutrients Too little water in the food stream Faulty carrier proteins ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease Which of the following is common in the disease caused by Coryne-bacterium diphtheriae and Bacillus anthracis? Both organisms are gram-positive spore formers Both organisms cause skin and respiratory tract infections Diphtheria toxin and edema toxin are ADP ribosylating toxins The most serious disease symptoms are the direct result of toxin action Both organisms are gram-positive spore formers Both organisms cause skin and respiratory tract infections Diphtheria toxin and edema toxin are ADP ribosylating toxins The most serious disease symptoms are the direct result of toxin action ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease All infections do not cause fever and all fevers are not due to infections which of the following is an example of non-infections cause of fever? Rheumatic disease Typhoid Malaria Chicken pox Rheumatic disease Typhoid Malaria Chicken pox ANSWER DOWNLOAD EXAMIANS APP
Microorganisms and Disease Both Mycobacterium tuberculosis and Streptococcus pneumoniae stay in the lung and rarely, if ever, enter the bloodstream are acquired by inhalation have polysaccharide capsules have cell walls that contain a high content of mycolic acids stay in the lung and rarely, if ever, enter the bloodstream are acquired by inhalation have polysaccharide capsules have cell walls that contain a high content of mycolic acids ANSWER DOWNLOAD EXAMIANS APP