Which of the Following Statements Regarding the Demonstration of the Etiology

question 12

Multiple Choice

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

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

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Definitions:

Variable Overhead Rate Variance

The difference between the actual variable overhead incurred and the standard overhead estimated, based on the actual level of activity.

Variable Overhead Efficiency Variance

The difference between the actual variable overhead incurred and the standard variable overhead based on the actual level of activity, reflecting efficiency in using overhead resources.

Variable Overhead Efficiency Variance

The difference between the actual variable overhead costs incurred and the standard variable overhead costs, based on efficient use of resources.

Labor Rate Variance

The difference between the actual hourly wage paid to workers and the expected (or standard) wage rate, multiplied by the total hours worked.