Radiation Safety and Quality Assurance
Mock Exam
Course Introduction
This course provides an in-depth exploration of the principles and practices of radiation safety and quality assurance in medical and industrial settings. Students will learn about the biological effects of ionizing radiation, regulatory requirements, and the implementation of safety protocols to protect patients, staff, and the environment. The course also covers techniques for monitoring radiation exposure, the use and maintenance of protective equipment, and the practical application of quality assurance programs to ensure accurate and consistent performance of radiation devices. Emphasis is placed on current standards, risk assessment, and the development of effective safety cultures within organizations.
Recommended Textbook
Quality Management in the Imaging Sciences 5th Edition by Jeffrey Papp
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15 Chapters
165 Verified Questions
165 Flashcards
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Chapter 1: Introduction to Quality Management
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Sample Questions
Q1) Customers who come from outside the healthcare organization are generally referred to as
A)external customers.
B)internal customers.
C)Both of the above are correct.
D)None of the above is correct.
Answer: A
Q2) Invasive quality control equipment testing is considered to be A)simple.
B)complex.
C)Both of the above are correct.
D)None of the above is correct.
Answer: B
Q3) The measurement of the level of quality at some point in time with no effort to change or improve the level of care is known as quality A)management.
B)assurance.
C)assessment.
D)control. Answer: C
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Chapter 2: Quality Management Tools and Procedures
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Sample Questions
Q1) The minimum thickness of lead aprons worn by occupational workers during diagnostic procedures is ____ mm of lead equivalence.
A)0.25
B)0.5
C)1.0
D)1.5
Answer: A
Q2) The maximum dose to the fetus of an occupational worker for the entire gestation period is _____ rem.
A)0.05
B)0.1
C)0.5
D)5.0
Answer: C
Q3) The range of variation around the mean is called
A)variance.
B)standard deviation.
C)percentile.
D)range. Answer: B
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Chapter 3: Filmscreen Image Receptors, Darkrooms, and Viewing Conditions
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15 Verified Questions
15 Flashcards
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Sample Questions
Q1) What is the recommended color temperature for viewbox illuminators?
A)1500° K
B)3500° K
C)6250° K
D)10,000° K
Answer: C
Q2) Which type of film is designed to be primarily sensitive to ultraviolet light?
A)Blue-violet film
B)Orthochromatic film
C)New-modality film
D)Duplicating film
Answer: D
Q3) The acceptable level of luminance uniformity for viewboxes within the department is
A)5%.
B)10%.
C)15%.
D)20%.
Answer: D
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Chapter 4: Film Processing
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Sample Questions
Q1) The addition of glutaraldehyde into the automatic developer solution helps prevent A)overdevelopment.
B)emulsion softening.
C)rapid oxidation.
D)all of the above.
Q2) The section of an automatic film processor in which the highest temperature is maintained is the A)developer.
B)fixer.
C)wash.
D)dryer.
Q3) During automatic processing, the proper order of steps is A)development, washing, fixation, drying. B)development, drying, washing, fixation.
C)fixation, development, washing, drying.
D)development, fixation, washing, drying.
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Chapter 5: Processor Quality Control
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Sample Questions
Q1) B + F is measured in the A)clear area of the film.
B)lightest step in the pattern.
C)medium step in the pattern.
D)darkest step in the pattern.
Q2) Variation during sensitometric testing that occurs because of the test film being run in different parts of the feed tray is called A)bromide drag.
B)locational effect.
C)time of day variability. D)bias.
Q3) Which of the following is acceptable for variation in the mid-density indicator during sensitometric testing in radiography?
A)±0.05
B)±0.10
C)±0.15
D)±0.20
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Chapter 6: Silver Recovery
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Sample Questions
Q1) Approximately what percentage of the purchase price of film can be recovered through silver reclamation?
A)5%
B)10%
C)30%
D)50%
Q2) To function at maximum efficiency, a silver reclamation device should be attached to the
A)fresh developer replenishment line.
B)used developer drain line.
C)fresh fixer replenishment line.
D)used fixer replenishment line.
Q3) Approximately how many troy ounces of silver are found in each gallon of used fixer?
A)0.5 to 0.8
B)0.8 to 1.2
C)1.2 to 1.5
D)1.5 to 2.0
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8
Chapter 7: Quality Control of X-Ray Generators and Ancillary
Radiographic Equipment
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Sample Questions
Q1) Conventional tomographic systems should produce images of tissue that lie within ____ mm of the indicated tomographic plane.
A)5
B)10
C)15
D)20
Q2) What is the acceptance criterion for a timer circuit with an exposure time shorter than 10 ms?
A)5%
B)10%
C)15%
D)20%
Q3) Path closure in pluridirectional tomographic units should be within ____ of the path length.
A)2%
B)5%
C)10%
D)15%
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Chapter 8: Quality Control of Fluoroscopic Equipment
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Sample Questions
Q1) A reduction in brightness at the periphery of the image captured with an image intensifier tube is referred to as
A)pincushion distortion.
B)vignetting.
C)barrel distortion.
D)quantum mottle.
Q2) Which type of test tool may be used to demonstrate pincushion distortion?
A)Dosimeter
B)Wire mesh tool
C)Ion chamber
D)Homogenous phantom
Q3) Quality control tests of fluoroscopic systems should be performed
A)daily.
B)weekly.
C)semiannually.
D)annually.
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10
Chapter 9: Digital and Advanced Imaging Equipment
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Sample Questions
Q1) The most important component affecting the spatial resolution in digital subtraction angiography is the
A)focal spot size.
B)image intensifier.
C)television camera.
D)computer matrix size.
Q2) CRT monitors for viewing digital images should have a luminance value higher than ____ nit.
A)100
B)170
C)1500
D)3500
Q3) Benefits of digital PACS images do not generally include A)convenient storage.
B)image transmission.
C)computer-aided diagnosis.
D)improved spatial resolution.
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Chapter 10: Outcomes Assessment of Radiographic Images
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Sample Questions
Q1) The probability of having a disease given a positive test result is known as A)accuracy.
B)specificity.
C)positive predictive value.
D)negative predictive value.
Q2) Which of the following can occur as a result of a double set of grid lines?
A)Grid misalignment
B)Film fog
C)Static artifacts
D)Moiré effect
Q3) If residual thiosulfate is not properly removed during washing, the radiograph will A)be underdeveloped.
B)be overdeveloped.
C)turn blue.
D)turn brown.
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12
Chapter 11: Mammographic Quality Standards
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Q1) The background density obtained during phantom image testing should not vary by more than _____ from the established operating level.
A)±0.2
B)±0.3
C)±0.4
D)±0.5
Q2) The recommended maximum tolerance of kVp variance for mammographic x-ray generators is A)1%.
B)2%.
C)5%.
D)10%.
Q3) The MQSA does not require facilities to have A)annual physics testing.
B)minimum image quality standards.
C)ACR accreditation.
D)FDA certification.
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Chapter 12: Quality Control in Computed Tomography
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Sample Questions
Q1) The laser light field and radiation field should coincide to within ____ mm.
A)0.5
B)1.0
C)2.0
D)5.0
Q2) The CTDI pass/fail criterion for an adult abdomen is ____ mGy.
A)20
B)40
C)30
D)80
Q3) For a slice thickness of 5 mm or less, the slice thickness should not vary by more than ____ mm.
A)0.5
B)1.0
C)2.0
D)3.0
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Chapter 13: Quality Control for Magnetic Resonance
Imaging Equipment
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Sample Questions
Q1) The ability of an MR scanner to resolve small objects is known as
A)signal-to-noise ratio.
B)high-contrast resolution.
C)spatial resolution.
D)spatial linearity.
Q2) Luminance uniformity of soft-copy displays used in MRI systems should be within ____ of the maximum brightness measured in the center of the screen.
A)10%
B)20%
C)30%
D)50%
Q3) Nonuniformity in the magnetic field can be caused by A)a homogenous main magnetic field.
B)uniformity in the RF coil.
C)the presence of ferromagnetic material within the bore of the magnet. D)all of the above.
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Chapter 14: Ultrasound Equipment Quality Assurance
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Sample Questions
Q1) A scan is done of a uniform section in a phantom, and a vertical shadow emanates from a position on the image corresponding to the transducer surface.This is likely caused by
A)poor TGC control.
B)poor lateral gain.
C)inadequate gray-scale photography.
D)loss of signal from one or more transducer elements.
Q2) Maximum depth of visualization is often limited by A)noise at high gain.
B)poor axial resolution.
C)too low a power setting.
D)too low a transducer frequency.
Q3) For the measurement described in question 7, the digital caliper cursors should be placed at the
A)top of the higher reflector and at the bottom of the other.
B)top of each reflector.
C)left side of one and at the right side of the other.
D)bottom of the higher reflector and at the top of the other.
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Chapter 15: Quality Assurance in Nuclear Medicine
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Sample Questions
Q1) The gamma detector's ability to detect ionizing events is known as A)photopeaking.
B)sensitivity.
C)spatial resolution.
D)spatial linearity.
Q2) The main radiation detector in a scintillation gamma camera is a(n)
A)ion chamber.
B)lithium fluoride crystal.
C)sodium iodide crystal.
D)solid-state detector.
Q3) The NRC requires that all survey meters undergo a ____ calibration and daily reference check before use.
A)daily
B)weekly
C)monthly
D)yearly
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