What produces x rays - Study guides, Class notes & Summaries
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RNAS C Practice Test Review 437 Questions with Verified Answers,100% CORRECT
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RNAS C Practice Test Review 437 Questions with Verified Answers 
 
A capacitor and resisitor in parallel - CORRECT ANSWER will have same voltage across since in parallel. 
if in series, voltage drops would occur 
 
they can be treated together 
 
If the absolute pressure of a gas is increased from 3 atm to 4 atm at constant volume, then the absolute temperature of the gas will increase by: 
A. 25%. 
B. 33%. 
C. 67%. 
D. 75% - CORRECT ANSWER B. Assuming the validity of the Ideal-Gas law, PV = n...
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DANB RHS EXAM - study guide questions with 100% correct answers
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Professor Wilhelm Roentgen :___. 
 
a)advocated radiology in the u.s 
b)exposed the first radiographs in the u.s 
c)discovered the x-ray 
d)employed the first dental auxiliary in the united states 
c 
 
 
 
Digital radiography utilizes the following approach : 
 
a) filmless radiographic computer imaging system 
b) electronically charged plated imaging system 
c) non-ionizing radio frequency imaging system 
d) none of the above 
a 
 
 
 
A form of energy is : 
 
a) heat 
b) light 
c) electricity...
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Mosby Challenge Test 1 Questions with Complete Solutions, A+
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Attenuation: 
 
A. Is radiation that emerges from the patient 
B. Describes changes in the x-ray beam as it travels through the patient 
C. Produces only scatter radiation 
D. Occurs only at doses used in radiation therapy 
B. Describes changes in the x-ray beam as it travels through the patient 
 
 
Which photon-tissue interaction makes radiography possible because of its creation of contrast? 
 
A. Compton 
B. Coherent 
C. Photoelectric 
D. Pair production 
C. Photoelectric 
 
 
Which photon-t...
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ARRT MOSBYS safety review Questions with Complete Solutions, A+
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Natural background radiation represents what amount of human radiation exposure? - 50% 
 
The greatest source of natural background radiation exposure is? 
Cosmic rays 
radioactive materials 
the body itself 
radon gas - Radon gas 
 
Cosmic natural background radiation is a part of _______________ _____________ exposure. - Natural background 
 
Radon gas: 
 
a. Presents a danger when undetected 
b. Is present in doses proportional to other sources 
c. Is entirely human-made 
d. Is the s...
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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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Dental Radiography - Unit 314 Diploma Questions With Correct Solutions, Already Passed!!
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Ionising Radiation - Answer-Type of electromagnetic radiation that possesses energy, capable of passing 
through matter such as human tissue 
What happens when x-rays pass or hit the atoms of the matter? - Answer-They are: Unaltered, Scattered, 
Absorbed 
Radiopaque - Answer-Substances of greater density that absorb x-rays and appear in shades of white on 
film 
Radiolucent - Answer-Substances of less density that allow x-rays to pass through and appear dark on 
radiographs 
Scattered radiation ...
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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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CWB Level II Exam 2024/2025 (100%Verified Answers) Latest Update.
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CWB Level II Exam 2024/2025 (100%Verified Answers) Latest Update. 
What is the term used to describe the following condition of lost corrosion resistance? 
"When certain stainless steels are heated between 500-850° C, carbides form at the 
grain boundaries and cause a local depletion of chromium." 
(A) Oxidization 
(B) Increased toughness 
(C) Solution heat treatment 
(D) Sensitization - Correct Answer-(D) Sensitization 
Note: Also known as "carbide precipitation" -- Chromium binds to carbi...
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ARRT Mock Registry 3 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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GXMO PRACTICE TEST Questions and Correct Answers
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X-rays were discovered by... 
Ans: Roentgen in 1895 in Germany 
The Joint Review Committee on Education in Radiologic Technology (JRCERT) is 
the... 
Ans: organization that accredits schools for radiologic technologists 
The largest professional organization for radiologic technologists is the... 
Ans: ASRT 
The x-ray room has an area that protects the limited operator from scatter radiation 
and is called... 
Ans: the control booth 
Mechanism on the x-ray tube that provides a stop in a specif...
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