Which of the following statements best explains the theory behind treating muscle spasm pain with low frequency TENS?

A measure of the total amount of contrast in an image defines:

Which stage of automatic rescaling failure is caused  when the exposure field edges are not correctly detected by the pattern recognition software?

Film screen has an exposure latitude of:

A radiographer performs AP and lateral projections of the wrist on an IP with two images on one 10 x 12 inch cassette.  Which of the following applies to using multiple fields on one IR?

Which of the following factors have NOT pushed technologists toward unacceptable levels of patient exposure?

Which of the following accurately describes a histogram?The x-axis displays the number of pixels for each exposureA histogram is a graphic representation appears as a series of peaks and valleys and has a pattern that varies for each body part.The y-axis is related to amount of exposureEach histogram has VOI that determine what range of the historical data set should be included in the displayed image

Which of the following anatomical parts could be compared with a projection of abdomen for comparative anatomy purposes in the development of the use of techniques in CR and DR?  Choose two (2) responses.

The philosopher John Locke believed that people

A partial reinforcement schedule that reinforces a response that occurs after an unpredictable period of time is a ________ schedule.