The type of validity that seeks to establish a correlation between test scores taken prior to being hired and eventual performance on the job is known as which of the following?

The medical staff should never place a caller on hold:

A) without asking for permission first. B) without receiving permission. C) for more than 20 to 30 seconds with patient permission. D) without asking for and getting permission; hold time should not exceed 30 seconds.

If an increase in kilovoltage is accompanied by a reduction in mAs, to maintain the same exit dose the overall result will be

a. a decrease in the amount of radiation produced. b. a decrease in the amount of scatter produced. c. an increase in the amount of radiation produced. d. an increase in the amount of scatter produced.