Which of the Following Statements Regarding the Demonstration of the Etiology

question 19

Multiple Choice

Which of the following statements regarding the demonstration of the etiology of disease is FALSE?

• A) The suspect agent must be present in all cases of the disease.
• B) The suspect agent must cause the disease under investigation when introduced into a susceptible host organism.
• C) The suspect agent must be isolated and cultured in the laboratory.
• D) It must be possible to reisolate the suspect agent from the infected experimental host.
• E) The suspect agent must be the only potential pathogen present in disease cases.

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