Cathode ray tube - Study guides, Class notes & Summaries
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1418 RTE Pre/Posttest (2023/2024) Already Passed
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1418 RTE Pre/Posttest (2023/2024) Already Passed The target material of the anode is made of: Tungsten 
____________ radiography systems have detectors that capture and readout an electronic image signal. Direct 
Filtration removes the ________ energy photons from primary beam. Low 
Scatter is produced primarily in the _________. a) x-ray tube b) Image receptor c) patient d) target 
An increase in milliampere seconds (mAs) in digital imaging, increases the signal to noise ratio and ______ the pa...
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Test Bank For Dental Radiography principals and Techniques 5th edition by Joen Iannucci
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Chapter 03: Radiation Characteristics 
Iannucci: Dental Radiography, 5th Edition 
 
MULTIPLE CHOICE 
 
	1.	In dental radiography, the term ________ is used to describe the mean energy or penetrating ability of the x-ray beam. 
a. 
quality 
b. 
quantity 
c. 
intensity 
d. 
wavelength 
 
 
ANS:	A 
Quality is used to describe the mean energy or penetrating ability of the x-ray beam. Quantity refers to the number of x-rays produced. Intensity is defined as the product of the quantity and quality per...
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CT Registry Review (MIC) Questions and Answers Rated 100%
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CT Registry Review (MIC) Questions and Answers Rated 100% 
 
In order for an x-ray photon to be measured it must: 
1. enter the detector chamber 
2. be absorbed by the detector material 
3. be converted to a measurable event *ANS* 1,2,3 
 
Which system component converts the projection attenuation data into the proper digital form for the array processor? *ANS* analog-to-digital converter 
 
Which of the following is NOT a function of a PACS system? 
a. reconstruction of the image from the raw d...
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HESI EXIT EXAM STUDY VERIFIED QUESTIONS AND ANSWERS 2023 LATEST UPDATE GRADED A
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HESI EXIT EXAM STUDY 
VERIFIED QUESTIONS AND 
ANSWERS 2023 LATEST 
UPDATE GRADED A 
A radiographer prepares to perform an AP projection of the distal femur on a patient with 
a suspected femoral fracture. Which represents the best approach for positioning both 
the patient and the x-ray tube? 
A. Rotate the leg 15 degrees medially; place the cathode end of the tube toward the 
foot. 
B. Rotate the leg 15 degrees medially; place the anode end of the tube toward the foot. 
C. Do not rotate the l...
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LRA 110 Final Exam Questions and Answers Rated A+
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LRA 110 Final Exam Questions and Answers Rated A+ x rays were discovered ? November 8, 1895 by Wilhelm Conrad Roentgen 
the first radiograph produced by Dr. Roentgen was of His wife's hand 
radiation burn resulting from excessive exposure to xrays 
common among early patients and operators of xray equipment a delayed reaction to excesssive xray exposure acute radiodermatitis 
Watt is the unit of measure of power 
energy in a stored state is potential energy 
energy being expended? potential ene...
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Dental Radiography Exam Review (Latest 2023/ 2024 Update) Questions and Verified Answers| 100% Correct| Grade A
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Dental Radiography Exam Review (Latest 2023/ 2024 Update) Questions and Verified Answers| 100% Correct| Grade A 
 
Q: What are the three components to an X-ray machine? 
 
 
Answer: 
Tube-head, extension arm, and control panel 
 
 
 
Q: What is the purpose of the cathode? 
 
 
Answer: 
Supply electrons necessary to generate x-rays 
 
 
 
Q: What is the anode? 
 
 
Answer: 
Positive electrode, acts as the target for the electrons 
 
 
 
Q: The X-rays at the center of the beam are known, collectiv...
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RCIS Practice Exam Questions and Verified Answers| 100% Correct| Grade A (Latest 2024/ 2025 Update)
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RCIS Practice Exam Questions and Verified Answers| 100% Correct| Grade A (Latest 2024/ 2025 Update) 
 
Q: Signs of Right sided heart failure include 
 
 
Answer: 
JVD 
 
 
 
Q: Based on these oxygen saturations, what type of shunt is present? SVC sat= 67% IVC sat= 71% RA sat= 85% RV sat= 85% PA sat= 85% LA sat= 98% LV sat= 98% AO sat= 98% 
 
 
Answer: 
L to R ASD 
 
 
 
Q: What type of ASD, located in the middle 1/3 of the atrial septum (the former site of the fossa ovalis) is called 
 
 
Answer...
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Test Bank for Dental Radiography Principles and Techniques, 5th Edition, Joen Iannucci, Laura Howerton All Chapters Covered
- Exam (elaborations) • 343 pages • 2023
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Test Bank for Dental Radiography 
Principles and Techniques, 
5th Edition, Joen Iannucci, Laura 
Howerton 
Table of Contents 
PART I. Radiation Basics 
1. Radiation History 
2. Radiation Physics 
3. Radiation Characteristics 
4. Radiation Biology 
5. Radiation Protection 
PART II. Equipment, Film, and Processing Basics 
6. Dental X-Ray Equipment 
7. Dental X-Ray Film 
8. Dental X-Ray Image Characteristics 
9. Dental X-Ray Film Processing 
10. Quality Assurance in the Dental Office 
PART III. Den...
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Chapter 9 Intro to Radiologic & Imaging Sciences & Patient Care
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Chapter 9 Intro to Radiologic & Imaging Sciences & Patient Care 
 
_____________ _____________ is energy capable of penetrating matter and possesses sufficient energy to eject orbital electrons along its path - ionizing radiation 
 
The two basic sources of ionizing radiation exposure are ______________ radiation and ____________________ radiation sources. - natural and human-made 
 
The _____________ must outweigh the risks of any diagnostic study using ionizing radiation. - benefits 
 
Human-m...
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GXMO Exam Study Questions and Answers 2024 Graded A
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Motion blurMotion blur - 1. Movement of the patient or the x-ray tube during exposure results in blurring of the radiographic image. This loss of radiographic quality, called motion blur, may result in repeated radiographs and therefore should be avoided. 
 
2. Patient motion is usually caused by motion blur. Suspend respiration for exposures, decrease exposure time, use a large SID and use a small OID. 
 
Transverse - across the table, at right angles to longitudinal. 
 
Longitudinal - along th...
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