ARRT- Mock Exam Top latest complete solution.

(Image production) Thermionic emission occurs at the a. Anode b. Control panel c. Rectifier d. Cathode - d. Cathode (Image production) As speed class decreases, patient dose: a. Increases b. Decreases c. Remains the same - a. Increases (Image production) A radiographic grid should be used when: 1. The area measures more than 10 cm 2. A field size larger than 10 to 12 inches is used 3. More than 70 kVp is required to penetrate a body part a. 1 & 2 b. 1 & 3 c. 2 & 3 d. All of the above - d. All of the above (Image production) An interaction that produces heat at the anode and also produces x-rays is called: a. Characteristic b. Photoelectric c. Compton d. Bremsstrahlung - d. Bremsstrahlung (Image production) An undistorted radiographic image results when the object plane and the image plane are: a. Angled in relation to each other b. At right angles c. Parallel d. Perpendicular - c. Parallel (Image production) At the time of the exposure, the charge on the focusing cup is: a. Irrelevant b. Positive c. Negative d. Alternating - c. Negative (Image production) Beam restrictors reduce the amount of scatter produced by reducing which of the following? a. Characteristic rays b. Photoelectric effect c. Compton interactions d. Pair production - c. Compton interactions (Image production) Because the digital system software ultimately controls contrast, kVp may be _________ without noticeable changes to contrast: a. Increased b. Decreased c. Kept the same - a. increased (Image production) Because the x-ray tube requires DC to operate properly, what device is required in the x-ray circuit? a. Autotransformer b. Step-up transformer c. Rectifier d. Falling load generator - c. Rectifier