Diagnostic Imaging Exam Practice Tests
Course Introduction
Diagnostic Imaging is a course designed to introduce students to the principles and practices of medical imaging technologies used in the diagnosis and management of diseases. The course covers foundational concepts such as X-ray, computed tomography (CT), magnetic resonance imaging (MRI), ultrasound, and nuclear medicine, highlighting the physical principles behind each modality, image acquisition techniques, and interpretation of imaging results. Students will learn about the indications, advantages, limitations, and safety considerations of each imaging method. Emphasis is placed on correlating imaging findings with clinical scenarios to support diagnostic decision-making in various medical specialties.
Recommended Textbook
Radiographic Imaging and Exposure 5th Edition by Terri L. Fauber
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10 Chapters
621 Verified Questions
621 Flashcards
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Chapter 1: Radiation and Its Discovery
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42 Verified Questions
42 Flashcards
Source URL: https://quizplus.com/quiz/44855
Sample Questions
Q1) The Greek symbol lambda (l)represents the x-ray's:
A) wavelength.
B) speed.
C) frequency.
D) quantity.
Answer: A
Q2) When were x-rays discovered?
A) October 8, 1985
B) November 8, 1895
C) January 23, 1896
D) August 15, 1902
Answer: B
Q3) X-rays were at one time called:
A) Becquerel rays.
B) Roentgen rays.
C) Z-rays.
D) none of the above.
Answer: B
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Chapter 2: The X-Ray Beam
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66 Verified Questions
66 Flashcards
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Sample Questions
Q1) The x-ray beam produced with 120 kVp will consist primarily of x-rays produced by bremsstrahlung interactions.
A)True
B)False
Answer: True
Q2) Which of the following types of filtration produce a more uniform exposure to the image receptor?
A) Compensating
B) Half-value
C) Inherent
D) Spatial
Answer: A
Q3) The device that nearly surrounds the filament is the:
A) rotor.
B) focusing cup.
C) stator.
D) anode.
Answer: B
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4
Chapter 3: Image Formation and Radiographic Quality
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68 Verified Questions
68 Flashcards
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Sample Questions
Q1) Muscle tissue absorbs more radiation than fat tissue because muscle tissue has a:
A) higher atomic number.
B) lower atomic number.
C) higher tissue density.
D) lower tissue density.
Answer: C
Q2) When the entering x-ray photon loses energy and changes its path of travel as a result of interacting with an atom,the interaction is known as the:
A) compensating effect.
B) photoelectric interaction.
C) characteristic effect.
D) Compton effect.
Answer: D
Q3) An increased part thickness results in:
A) increased beam attenuation.
B) decreased beam attenuation.
C) no effect on beam attenuation.
Answer: A
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5
Chapter 4: Digital Imaging
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101 Verified Questions
101 Flashcards
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Sample Questions
Q1) A method of describing the strength of the radiation exposure compared with the amount of noise apparent in the digital image is the:
A) signal-to-noise ratio.
B) contrast-to-noise ratio.
C) modulation transfer function.
D) detective quantum efficiency.
Q2) Which of the following exposure indicators has an inverse relationship with exposure to the IP?
A) EI (Carestream)
B) lgM (Agfa)
C) S number (Fuji)
D) All have an inverse relationship.
Q3) Soft copy viewing means that the image is being viewed:
A) at a computer.
B) on a soft piece of film.
C) in a soft light environment.
D) none of the above.
Q4) The DQE is higher for DR when compared to CR.
A)True
B)False
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Chapter 5: Film-Screen Imaging
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69 Verified Questions
69 Flashcards
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Sample Questions
Q1) While in the developer solution,additional electrons are added to the:
A) fixer.
B) silver.
C) sensitivity specks.
D) water.
Q2) Which film processing system best achieves agitation,continuous mixing,and filtration of the chemical solutions?
A) Transport system
B) Temperature control system
C) Recirculation system
D) Replenishment system
Q3) The developer solution requires a(n)_____ environment for the chemicals to properly function.
A) cold
B) alkaline
C) acidic
D) dry
Q4) The greater the film speed,the ______ sensitive it is.
A) more
B) less
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Chapter 6: Exposure Technique Factors
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67 Verified Questions
67 Flashcards
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Sample Questions
Q1) The product of milliamperage and exposure time is ______________________ to the quantity of x-rays produced
A) directly proportional
B) inversely proportional
C) not related
Q2) As compared to a patient with a 24 cm thick abdomen,imaging a patient with a 20 cm thick abdomen will result in _____________ scatter being produced and ______________ image contrast.
A) less; lower
B) more; lower
C) less; higher
D) more; higher
Q3) As compared to a three-phase x-ray unit,a single-phase unit requires higher exposure techniques to produce a comparable image.
A)True
B)False
Q4) Any increase in magnification results in a decrease in recorded detail.
A)True
B)False
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Chapter 7: Scatter Control
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55 Verified Questions
55 Flashcards
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Sample Questions
Q1) A device consisting of very thin lead strips with radiolucent interspaces intended to absorb scatter radiation emitted from the patient is a:
A) collimator.
B) aperture diaphragm.
C) cone.
D) grid.
Q2) A grid whose lead strips run perpendicular to the long axis of the grid is called a(n):
A) long dimension grid.
B) short dimension grid.
C) cross-hatch grid.
D) alternating grid.
Q3) An adult's knee measuring 14 cm should be radiographed without a grid.
A)True
B)False
Q4) Grids that move during the exposure:
A) are reciprocating grids.
B) move from top to bottom.
C) are part of the Potter-Bucky diaphragm.
D) A and C.
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Chapter 8: Exposure Technique Selection
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57 Verified Questions
57 Flashcards
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Sample Questions
Q1) A good reason to use AEC density control is to increase the exposure to the IR to compensate for improper centering.
A)True
B)False
Q2) A technique chart should be established for:
A) each radiographer.
B) each radiographic tube.
C) each radiologist.
D) A and B.
E) A and C.
Q3) Which of the following is not part of a standardized technique chart?
A) SID
B) OID
C) mA
D) kVp
Q4) Which of the following terms does not belong in the list?
A) Photodiode
B) Ion chamber
C) Ionization chamber
D) mAs readout
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Chapter 9: Image Evaluation
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25 Verified Questions
25 Flashcards
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Sample Questions
Q1) A film-screen image with decreased distortion may be due to:
1)Decreased patient thickness
2)Increased SID
3)Increased focal spot size
A) 1 and 2 only.
B) 1 and 3 only.
C) 2 and 3 only.
D) 1, 2, and 3.
Q2) An area of decreased brightness visualized on a computer monitor has ________density on a film image.
A) increased
B) decreased
C) no
Q3) When using a digital imaging system,changing from 40 in SID to 72 in SID would result in _____________ brightness and ____________ contrast.
A) no change in; no change in
B) decreased; increased
C) no change in; decreased
D) decreased; decreased
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Chapter 10: Dynamic Imaging: Fluoroscopy
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71 Verified Questions
71 Flashcards
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Sample Questions
Q1) The __________________ is coated with light-emitting crystals to absorb electrons and emit light.
A) input phosphor
B) output phosphor
C) photocathode
D) accelerating anode
Q2) Typical fluoroscopic systems have spatial resolution capabilities in the range of:
A) 2 to 3 Lp/mm.
B) 4 to 6 Lp/mm.
C) 7 to 9 Lp/mm.
D) 10 to 12 Lp/mm.
Q3) This recording system allows the film to be divided into two,four,or more images.
A) Cassette spot imaging
B) Film cameras for spot filming
C) Videotape
D) None of the above
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