CAMRT Radiography Practice Exam

What does the term "receptor exposure" refer to?

1. Amount of radiation reaching the patient

2. Intensity of radiation recorded by the imaging receptor

3. Quality of the X-ray film

4. Time taken for an exposure

The correct answer is: Intensity of radiation recorded by the imaging receptor

The term "receptor exposure" specifically refers to the intensity of radiation that is recorded by the imaging receptor during a radiographic procedure. This measurement is crucial because it directly affects the resultant image quality; adequate receptor exposure ensures that sufficient information is captured to produce a diagnostic image. In imaging, the receptor could be a film, digital detector, or any other medium responsible for capturing the X-ray photons. The level of exposure influences the contrast and brightness of the final image, making it vital for radiographers to understand and manage receptor exposure to achieve optimal diagnostic outcomes. The other choices represent different concepts. The amount of radiation reaching the patient relates to patient dose, not the exposure level on the receptor. The quality of the X-ray film pertains to image contrast and resolution but does not directly describe receptor exposure. Finally, the time taken for an exposure is a factor in exposure settings but does not define receptor exposure itself.