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Bushong-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...

Bushong - Physics 1 Final Exam – Cosio Questions and Answers Kilo 10(3) k Centi 10(-2) c Milli 10(-3) m Micro 10(-6) m Quantity of radiologic science:"Exposure" Customary Unit Name: _____ Symbol: _____ SI Unit Name: _____ Symbol: ______ Customary Unit Name: roentgen Symbol: R SI Unit Name: air kerma Symbol: Gy(a) Quantity of radiologic science: "Absorbed Dose" Customary Unit Name: ______ Symbol: ______ SI Unit Name: _____...

Bushong 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...

Bushong Chapter 1-2

Bushong, Ch. 6, The X-ray Tube

Bushong 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. ...

Bushong 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...

Fluoroscopy - 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...

Bushong 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...

Bushong 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...

Bushong, 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...

Bushong 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...

Bushong 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? ...

Chapter 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...

Bushong 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...

CR & DR Bushong, chapter 12 & 13 Questions and Answers 100% Solved

Bushong 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...

CR & DR Bushong, chapter 12 & 13

Bushong Chapter 10 Questions and Answers The random fluctuation in the optical density of the image is known as Radiographic noise. What is spatial resolution? The ability to image small objects that have high subject contrast, such as bone-soft tissue interface, a breast microcalcification, or a calcified lung nodule Name two other terms that can be used instead of spatial resolution Detail and recorded detail Name the factors that control/affect detail. Film speed, fo...

Bushong Chapter 19. Screen-film Radiographic Artifacts Questions and Answers Artifact 1) Are undesirable optical densities or blemishes on a radiograph or any other medical image 2) Any irregularity on an image that is not caused by the proper shadowing of tissue by the primary x-ray beam Screen-film radiographic artifacts can.... `interfere with the visualization of anatomical structures and can lead to misdiagnosis Radiographic artifacts occur in three areas: 1) Exposure ...