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Exam (elaborations)
Bushong Chapter 6: The X-ray Tube well answered to pass
Bushong Chapter 6: The X-ray Tube well answered to pass
Exam (elaborations)
Bushong Chpt 1 Challenge Questions and Answers
PopularBushong Chpt 1 Challenge Questions and Answers...
Exam (elaborations)
Bushong's Chapter 4 - Electromagnetic Energy Questions and Answers 

NewBushong's Chapter 4 - Electromagnetic Energy Questions and Answers 
The four properties of photons are ___, ____, ____, and ____. 
Frequency, wavelength, velocity, amplitude 
 
 
 
The smallest quantity of any type of electromagnetic radiation is a(n) 
Photon 
 
 
 
What is the velocity of all electromagnetic radiation? 
3x108 m/s 
 
 
 
The rate of rise and fall of a sine wave is called its ____. 
Frequency 
 
 
 
A hertz (Hz) is equal to ____ cycle(s) per second. 
1 
 
 
 
What is the elect...
Exam (elaborations)
Unit 5- Radiation Physics- Bushong questions and answers 100% correct
NewUnit 5- Radiation Physics- Bushong questions and answers 100% correct 
The autotransformer operates on the principle of: 
Faraday's law 
 
 
 
The principal purpose of the high-voltage transformer is to: 
Increase voltage 
 
 
 
The voltage supplied to an x-ray imaging system is 220V. The voltage used by the x-ray tube is produced by: 
High-voltage transformer 
 
 
 
220 V is supplied to 800 primary turns of an autotransformer. What will be the output voltage across 200 secondary turns? 
55 V...
Exam (elaborations)
Bushong Ch. 39 Questions and Answers Fully Solved
NewBushong Ch. 39 Questions and Answers Fully Solved 
Medical x-rays are increasing attention in our society because: 
Frequency of x-ray examination is increasing among all ages and risks that are associated in medical x-ray exposure. 
 
 
 
Screen-film mammography has largely been replaced with: 
digital mammography and digital mammographic tomosynthesis 
 
 
 
The entrance skin exposure of approximately _______ is normal in mammography 
8 mGy 
 
 
 
What grid ratios are used in mammography? 
4:1...
Exam (elaborations)
Bushong Ch 4 Test Questions and Answers
NewBushong Ch 4 Test Questions and Answers 
Speed of light 
Photon travels at what speed? 
 
 
 
Invisible 
Xray radiation is in what spectrum of light? 
 
 
 
Radiation exposure will increase by a factor of 4 
According to the inverse square law, if you decrease your distance by half from a known point, towards a radioactive source, what will happen? 
 
 
 
8.6 
If you have a source of radiation that measures 278 R/HR of exposure, and has a half life of 23 years, what will the exposure be after 5 ...
Exam (elaborations)
Bushong-Chapter 02 - Basic Physics Primer Questions and Answers 100% Correct
NewBushong-Chapter 02 - Basic Physics Primer Questions and Answers 100% Correct 
Which of the following is the SI unit for power? 
Joule/second 
(The SI unit of power is the joule/second (J/s), which is a watt (W).) 
 
 
 
Thermal radiation is the transfer of heat by the emission of ___________________. 
infrared radiation 
(Thermal radiation is the transfer of heat by the emission of infrared radiation.) 
 
 
 
Express 6849 in exponential form. 
6.849 × 10^3 
(6849 = 6.84 × 10^3) 
 
 
 
X-rays h...
Exam (elaborations)
Bushong Chapter 3 Questions & Answers
NewBushong Chapter 3 Questions & Answers 
Define electromagnetic energy 
Energy that has both electric and magnetic properties, that is present everywhere, and exists over a wide range. 
 
 
 
Define photon 
Energy disturbances that move through space at the speed of light. 
 
 
 
Photon is used interchangeably with what other name? 
Electromagnetic energy 
 
 
 
What is the smallest quantity of any type of electromagnetic energy that moves through space at a high speed of light 
A photon 
 
 
 
Ho...
Exam (elaborations)
Bushong Chapter 1-2 Questions and Answers 2026
NewBushong Chapter 1-2
Exam (elaborations)
Bushong, Ch. 6, The X-ray Tube Questions and Answers
NewBushong, Ch. 6, The X-ray Tube
Exam (elaborations)
Bushong Ch 9 Questions and Answers
NewBushong Ch 9 Questions and Answers 
the intensity of the x-ray beam is called this 
the x-ray quantity 
 
 
 
What is another name for x-ray intensity or x-ray quantity? 
radiation exposure 
 
 
 
Radiation exposure is measured in this: 
roentgens (R) 
 
 
 
a measure of the number of ion pairs produced in air by a quantity of x-rays 
mGya 
 
 
 
What increases as the number of x-rays in the beam increases? 
ionization of air increases 
 
 
 
Name 3 ways to express x-ray intensity 
mR/s mR/min. ...
Exam (elaborations)
Bushong Chapter 11. Scatter Radiation Questions and Answers
NewBushong Chapter 11. Scatter Radiation Questions and Answers 
Image-forming x-rays include those which have been _. 
Transmitted without interaction, and Scattered through Compton interaction 
 
 
 
Which kVp selection would result in the most scattered x-rays in the image forming beam? 
90 kvp or whatever is the highest 
 
 
 
Approximately _% of the x-ray beam incident on the patient is transmitted through the patient without interaction to become part of the image-forming beam. 
0-9% 
 
 
 
Th...
Exam (elaborations)
Fluoroscopy - Bushong Ch. 25 Questions and Answers
NewFluoroscopy - Bushong Ch. 25 Questions and Answers 
__________ studies are examinations that show the motion of circulation or the motion of internal structures 
Dynamic 
 
 
 
____________ invented the fluoroscope in 1896. 
Thomas Edison 
 
 
 
The __________ is used for examination of moving internal structures and fluids. 
fluoroscope 
 
 
 
During fluoroscopy, the x-ray tube is operated at less than _______ mA. 
5 ; 
Despite the lower mA, however, the patient dose is considerably higher dur...
Exam (elaborations)
Bushong Chapter 3 The structure of matter Questions with Accurate Answers
NewBushong Chapter 3 The structure of matter Questions with Accurate Answers 
A chemical compound is any quantity of ___________ 
one type of molecule 
 
 
 
During beta emission, an atom releases 
electrons 
 
 
 
The only difference between x-rays and gamma rays is their 
orgin 
 
 
 
The_______ is the least penetrating form of ionizing radiation 
Alpha particle 
 
 
 
The _______ is the smallest particle that has all the properties of an element 
atom 
 
 
 
The electric charge on the atom is 
0...
Exam (elaborations)
Bushong Ch 32- Challenge Questions- Graded A+
NewBushong Ch 32- Challenge Questions- Graded A+ 
In vitro 
Outside the body or outside the cell 
 
 
 
Cytogenetic damage 
Radiation-induced structural change in chromosomes. 
 
 
 
Oxygen enhancement ratio (OER) 
Is the ratio of the dose necessary to produce a given effect under anoxic conditions to the dose necessary to give the same effect given under aerobic conditions. Tissue is more sensitive when irradiated in the oxygenated state. 
 
 
 
High-LET radiation 
This is typically particulate (n...
Exam (elaborations)
Bushong, Ch. 7. X-ray Production Questions with Correct Answers
NewBushong, Ch. 7. X-ray Production Questions with Correct Answers 
The amplitude of the emission spectrum with a _____ generator is _____ it is with a three-phase generator. 
single-phase, lower than 
 
 
 
An increase in kVp would _____ the _____ of the emission spectrum. 
increase, amplitude and position 
 
 
 
An exposure taken at 100 kVp would have continuous emission spectrum with a maximum energy... 
100 keV 
 
 
 
Characteristic x-rays are produced by... 
released binding energy 
 
 
 
An i...
Exam (elaborations)
Bushong Chapter 2 Workbook 2-1-2-5 Questions and Answers
NewBushong Chapter 2 Workbook 2-1-2-5 Questions and Answers 
Which of the following statements is true regarding our understanding of atmotic structure 
A. Rutherford described the nuclear atom 
B. Rutherford identified cathode rays as particles 
C. Rutherford is known as the father of radioactivity 
D. Rutherford was an epicurean and envisioned the atom as something familiar to him- plum pudding 
Rutherford described the nuclear atom 
 
 
 
In the rendering of the atom by JJ Thomson 
Uniform posit...
Exam (elaborations)
Bushong worksheets 21 Questions and Answers
NewBushong worksheets 21 Questions and Answers 
What two factors affect image magnification? 
SID and OID 
 
 
 
What is the magnification factor (MF)? 
SID (image size) /SOD (object size) 
 
 
 
When assessing image quality which of the following would be considered a subject factor? 
Atomic Number 
 
 
 
Which of the following is most difficult to image because of low object contrast? 
Liver-spleen 
 
 
 
Regarding image perception and interpretation what is the most important image descriptor? 
...
Exam (elaborations)
Chapter 36. Bushong - Radiation Protection Questions and Answers
NewChapter 36. Bushong - Radiation Protection Questions and Answers 
Define or otherwise identify the following: 
a. TLD 
b. Use factor 
c. Diagnostic protective x-ray tube housing 
d. Glow curve 
e. Primary protective barrier 
f. X-ray linearity 
g. Secondary radiation 
h. Occupancy factor 
i. Geiger-Muller region 
j. Resolving time 
a. Thermoluminescent dosimeter. 
b. The percentage of time during which the x-ray tube is on and directed toward a particular protective barrier is called the use fac...
Exam (elaborations)
Bushong chapter 23 Questions and Answers
NewBushong chapter 23 Questions and Answers 
What type of radiography is mammography? 
soft tissue 
 
 
 
Ins fot tissure radiography, what two parts are imaged? 
muscle and fat 
 
 
 
When was mammo first attempted? 
1920 
 
 
 
What techniques used in digital mammo in its early phases? 
low kVp, high mAs, and direct film exposure 
 
 
 
When and by whom was mammo interest renewed? 
1950's, Robert Egan 
 
 
 
When and by whom was xero-mammo invented? 
1960's, Wolf and Ruzika 
 
 
 
When wa...
Exam (elaborations)
CR & DR Bushong, chapter 12 & 13 Questions and Answers 100% Solved
NewCR & DR Bushong, chapter 12 & 13 Questions and Answers 100% Solved
Exam (elaborations)
Bushong Ch 3 &4 Questions and Answers 2026| Graded A+
NewBushong Ch 3 &4 Questions and Answers 2026| Graded A+ 
Who first described photons 
Greeks 
 
 
 
Where is electromagnetic energy present 
everywhere 
 
 
 
What are the 4 properties of electromagnetic energy 
frequency, wavelength, velocity, and amplitude 
 
 
 
Electromagnetic energy exists over a wide range called an 
energy continuum 
 
 
 
Continuum 
an uninterrupted (continuous) ordered sequence 
 
 
 
What was the Greek definition of a photon 
an atom of light 
 
 
 
Quantum 
a small bund...