33 Koch s postulates are scientific criteria meant to uncover the causative agents of infectious...
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33 Koch s postulates are scientific criteria meant to uncover the causative agents of infectious diseases Which is false a The pathogen must be present in every case of the disease and absent in healthy people b Must be isolated and grown in pure culture c When injected into a susceptible host the same disease may be reproduced d The same pathogen must be isolated and grown in pure culture from the experimentally diseased animal 34 According to the WHO about one third of the world population is infected by M tuberculosis However in US the disease of tuberculosis is one example of disease a sporadic b endemic c epidemic d pandemic 35 is a potential weapon of bioterrorism and the causative agent of a potentially fatal zoonosis The respiratory disease begins with inhalation of the endospores released by an infected animal a Francisella tularensis b Variola virus c Yersinia pestis d Bacillus anthracis e Clostridium tetani 36 During the curve bacterial cells do not actively multiply but they adjust to the culture conditions phase of the growth a lag log stationary death prolonged decline
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