The x ray beam contains - Study guides, Class notes & Summaries
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Test Bank on Essentials of Dental Radiography 9th EditionBy Evelyn Thomson,Orlen Johnson
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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...
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IEM MIDTERM EXAM QUESTIONS & ANSWERS 2023/2024
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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 
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ARRT mock registry questions and answers
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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 ...
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LRA 211 Latest Update with Verified Solutions
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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 ...
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DANB MOCK TEST EXAM | QUESTIONS & 100% VERIFIEDANSWERS | LATEST UPDATE | PASSED
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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...
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REVIEW OF RADIATION PROTECTION FOR ARRT EXAM QUESTIONS AND CORRECT DETAILED ANSWERS A+ GRADED
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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...
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Mosby's Exam Review for CT 2024 Exam All Possible Questions and Answers with complete solution
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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...
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NDAEB Question and answers 100% correct 2024
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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...
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CVA Test Exam Questions With Verified Answers
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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...
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Dental Radiology Questions & 100% Correct Answers- Latest Test | Graded A+ | Passed
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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...
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