Cumulative mpd - Study guides, Class notes & Summaries

Test Bank CHAPTER 1 Multiple Choice 1. Who was awarded the first Nobel Prize for physics in 1901, for his experimental work with radiation? a. W. J. Morton b. O. Walkhoff c. W. D. Coolidge d. W. C. Roentgen 2. Who is credited with introducing the bitewing radiograph? a. F. W. McCormack b. H. R. Raper c. G. M. Fitzgerald d. C. E. Kells 3. Who developed the hot cathode ray tube? a. W. D. Coolidge b. W. A. Price c. H. R. Raper d. W. H. Rollins 4. The development ...

LXMO Exam Questions With Correct Answers Rectification Constant - answerA value of the heat unit formula that varies depending on the generator used. Generators used in Radiography - answersingle phase generator delivers pulsating x-ray beam (1), Three phase generator = 3 phase 6 pulse machine (1.35) , High frequency generator = 3 phase 12 pulse machine (1.41) Rectification - answerThe rectifier of the x-ray tube changes alternating current (AC) to direct current (DC). This process ensur...

The dentist says that the image has too much contrast; she would like to see more gray values. What adjustment would you make? - Increase kVp. All of the following are true statements about film badges except: a. they should be worn at work only. b. if an assistant follows all safety precautions; exposure should be near zero. c. they should be worn when any form of x-ray is taken. d. the badge is usually worn for 3 to 4 weeks before returning it for reading. - c. they should be worn when ...

A step wedge can be used to demonstrate A. penumbra B. film contrast C. magnification of image D. film composition - answer-B On a radiograph, what is the dense radiopaque band that outlines the edge of the mandible? A. Mylohyoid ridge B. Inferior border C. Mental protuberance D. Oblique ridge - answer-B Which the following quality control tests evaluates safe lighting in the darkroom? A. Timer test B. Step wedge C. Coin test D. Normalizing device - answer-C Which film woul...

If there are no teeth to serve as guides, which of the following landmarks indicates a maxillary molar area radiograph? A. Mental foramen B. Incisive foramen C. Internal oblique ridge D. Tuberosity - answer-D. Tuberosity The American Dental Association recommends that radiographs be mounted with the embossed dots A. at the apices. B. on the occlusal surface. C. towards the center. D. all facing in the same direction. - answer-D. all facing in the same direction. When executing a ro...