The x ray beam contains - Study guides, Class notes & Summaries

Test Bank on Essentials of Dental Radiography 9th EditionBy Evelyn Thomson,Orlen JohnsonChapter 1 Multiple Choice 1. Who was awarded the first Nobel Prize for physics in 1901, for his experimental work with radiation? 2. W. J. Morton 3. O. Walkhof 4. W. D. Coolidge 5. W. C. Roentgen 6. Who is credited with introducing the bitewing radiograph? 7. F. W. McCormack 8. H. R. Raper 9. G. M. Fitzgerald 10. C. E. Kells 11. Who developed the hot cathode ray tube? 12. W. D. Coolidge 13. W. A. Price 14. H...

IEM MIDTERM EXAM QUESTIONS & ANSWERS 2023/2024 X-RAY TUBE - ANSWER--Electronic vacuum tube that contains two electrodes: the cathode and anode (a diode), which are necessary for the production of x-ray beam -the most important part of the x-ray, at the same time it is also the most vulnerable. cathode and anode - ANSWER-two electrodes Coolidge (Cathode ray) tube - ANSWER-- the first x-ray tube used 30 to 50 cm long and 20 cm in diameter - ANSWER-Modern x-ray tube measures around ...

As kVp is decreased... contrast increases The speed of the film-screen combination has what relationship with density? directly proportional Grid frequency is described as the... number of lead strips per inch or centimeter The intensity of the scattered beam is 1/1000 the intensity of the primary beam at what angle 1 m from the patient? 90 degrees The minimum source-to-skin distance for fixed fluoroscopes is... 15 inches Ionization may cause... unstable ...

LRA 211 Latest Update with Verified Solutions The three fundamental particles of the atom are the proton, neutron, electron The atomic nucleus contains protons and neutrons The component of the nucleus that has a positive charge and mass is the protons The component of the nucleus that has mass but no electrical charge is the Neutron If an atom has more electrons than protons, it will Negative When an atom becomes negatively or positively charged it is usually due to a change in the number ...

DANB MOCK TEST EXAM | QUESTIONS & 100% VERIFIEDANSWERS | LATEST UPDATE | PASSED The dentist says that the image has too much contrast; she would like to see more gray values. What adjustment would you make? Correct Answer: 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 ba...

Ionizing radiation - ANS Radiation that possesses the ability to remove electrons from atoms by a process called ionization Somatic Effects - ANS Effects of radiation on the body being irradiated Genetic Effects - ANS Effects of radiation on the genetic code of a germ cell; affects next generation Natural background radiation - ANS Radiation contained in the unpolluted environment Artificially produced radiation - ANS Also called man-made radiation Primary radiation...

Mosby's Exam Review for CT 180-dgree linear interpolation (180 LI) - Answer-Type of algorith used for MSCT image reconstruction in which data acquired from a shorter distance (180 degrees) away from the reconstructed slice location are interpolated. absorbed dose - Answer-the amount of x-ray energy absorbed in a unit of mass. It is measured in grays. (Gy) 360-degree linear interpolation (360 LI) - Answer-type of algorithm used for MSCT image reconstruction in which two sets of projection...

NDAEB Question and answers 100% correct 2024 Who discovered xrays: - correct answer Wilhelm Conrad Roentgen All xray machines have three primary components: - correct answer Tubehead Extension arm Control panel The housing - correct answer metal body that contains the xray tube Insulating oil - correct answer Fills the housing and surrounds the xray tube. Prevents overheating by absorbing the heat The tubehead seal - correct answer made of leaded glass or aluminum an...

CVA Test Exam Questions With Verified Answers Which is not a parenteral route of administration? A. IM B. IV C. SQ D. Oral - answerOral Which of the following is not a valid reason for cleaning x-ray cassettes on a regular basis? A. To prevent the spread of disease from animal to animal B. To prevent debris from interfering with the image once developed C. To preserve the life of the cassette D. To decrease residual radiation hazard - answerTo decrease residual radiation hazard The R...

Radiation -:- a form of energy carried by waves or stream of particles X-radiation -:- a high-engery radiation produced by the collision of beam of electrons with a metal taget in an x-ray tube X-ray -:- a beam of energy that has the power to penetrate substances and record image shadows on photographic film or digital sensors Radiology -:- the scince or study of radiation as used in medicine Radiograph -:- a two-dimensional respresentation of a three-dimensional object Dental...