Category: Image Production-50 The term latitude describes: an IR’s ability to record a range of densities The degree of error tolerated with given exposure factors Conversion efficiency to convert x-rays into light photons

Category: Safety-33 A radioactive source has an intensity of 400 mR/hr and has a half-life of 6 hours. What will the remaining radioactivity be at the first 6 hours of decay?

Category: Safety-27 Which of the following describes the doubling dose concept?

Category: Image Production-9 Which of the following statements is/are true in regards to an electric generator? It converts mechanical energy into electrical energy. It converts electrical energy into mechanical energy. In a DC generator, the slip rings are replaced with a commutator ring.

Category: Image Production-24 In an LCD display monitor, the amount of time a pixel requires to change its brightness is called:

Category: Image Production-32 Which of the following statements are true in regards to ghosting in digital radiographic imaging? It occurs only in CR A faint image of a previous exam will appear with the normally exposed image It occurs when densities in the form of stripes or wide lines are displayed across an image

Category: Procedures-16 Which of the following are purposes of the procedure demonstrated below? Question 119.jpg   To determine the presence of calculi not detected by palpation To demonstrate intraluminal neoplasms, strictures, or the dilation of ducts To investigate the patency of bile ducts and the functional status of the sphincter of oddi

Category: Safety-9 In diagnostic radiology, what type of x-ray interaction with matter is responsible for the majority of the dose to the patient?

Category: Safety-39 A radiation equivalent dose of 2.0 Sv is associated with which of the following biological effects?

Category: Safety-50 What is the average energy of the x-ray beam produced in the following emission spectrum? Safety-53(1).gif