Medical Imaging Technology
Test Preparation
Course Introduction
Medical Imaging Technology is a comprehensive course that explores the fundamental principles, techniques, and applications of various imaging modalities used in medical diagnosis and treatment. Students will study the physical and technological foundations of imaging systems such as X-ray, computed tomography (CT), magnetic resonance imaging (MRI), ultrasound, and nuclear medicine. The course covers image acquisition, processing, interpretation, and the safety standards necessary for clinical practice. Emphasis is placed on understanding how imaging assists in the identification and management of diseases, as well as on the latest technological advancements in the field. This course prepares students for roles in medical imaging departments, research, and healthcare innovation.
Recommended Textbook
Sonography Principles and Instruments 9th Edition by Frederick W. Kremkau PhD
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7 Chapters
473 Verified Questions
473 Flashcards
Source URL: https://quizplus.com/study-set/1224
Page 2
Chapter 1: Introduction
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20 Verified Questions
20 Flashcards
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Sample Questions
Q1) Echoes produced by ________ objects have different ________ than the pulses sent into the body.
A) stationary; frequencies
B) stable; directions
C) moving; frequencies
D) moving; echoes
Answer: C
Q2) Animals have applied ultrasound to detect and capture prey.
A)True
B)False
Answer: True
Q3) Doppler ultrasound measures the movement of ________.
A) tissue
B) blood
C) A and B
D) none of the above
Answer: C
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Page 3
Chapter 2: Ultrasound
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108 Verified Questions
108 Flashcards
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Sample Questions
Q1) The pulse repetition frequency is the number of pulses that occur in a single
A) microsecond
B) second
C) millisecond
D) pulse
Answer: B
Q2) Propagation speed is higher in ________ than in soft tissue.
A) lung
B) bone
C) water
D) fat
Answer: B
Q3) If an echo returns 104 µs after a pulse was emitted by a transducer,at what depth is the structure that produced the echo located?
A) 0.8 mm
B) 80 cm
C) 8.0 mm
D) 8.0 cm
Answer: D
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Chapter 3: Transducers
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75 Verified Questions
75 Flashcards
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Sample Questions
Q1) The three aspects to imaging resolution are contrast,temporal,and ________ resolution.
A) depth
B) angular
C) detail
D) spatial Answer: C
Q2) Many frequencies are present in short pulses.
A)True
B)False Answer: True
Q3) Elevational resolution can be considered a third aspect of detail resolution.
A)True
B)False Answer: True
Q4) Axial resolution is often normally better than lateral resolution.
A)True
B)False Answer: True
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Chapter 4: Instruments
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85 Verified Questions
85 Flashcards
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Sample Questions
Q1) Panoramic imaging expands the image ________.
A) quality, allowing for a much smoother image
B) by using a special panoramic transducer
C) resolution
D) beyond the normal limits of a transducer's field of view
Q2) Holding and displaying one frame out of the sequence is known as ________.
A) cine loop
B) freeze frame
C) the frame rate
D) a scan line
Q3) A two-dimensional image plane is usually divided like a checkerboard in a ________ or similar matrix.
A) 1540 × 7700
B) 256 × 525
C) 1024 × 786
D) 265 × 521
Q4) Pixel interpolation fills in missing pixels by averaging adjacent pixels.
A)True
B)False
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Chapter 5: Doppler Principles
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75 Verified Questions
75 Flashcards
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Sample Questions
Q1) Which system control eliminates low-frequency Doppler shifts?
A) Range gate
B) Wall filter
C) Dynamic range
D) Angle correction
Q2) Poise is a unit given for ________.
A) density
B) velocity
C) viscosity
D) pressure
Q3) If the length of the tube increases,the flow rate also increases.
A)True
B)False
Q4) A change in frequency caused by motion of a source or reflector defines
A) Doppler shift
B) Doppler effect
C) spectral analysis
D) Poiseuille's equation
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Chapter 6: Artifacts
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80 Verified Questions
80 Flashcards
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Sample Questions
Q1) Edge shadowing is caused by
A) refraction
B) reverberation
C) propagation speed error
D) a highly attenuating structure
Q2) Which of the following is a common and convenient solution to eliminate aliasing?
A) Increasing transducer frequency.
B) Decreasing pulse repetition frequency.
C) Decreasing transducer frequenty.
D) Shifting the baseline.
Q3) Edge shadowing is a result of ________.
A) refraction of the sound beam
B) attenuation of the sound beam
C) reflection of the sound beam
D) reverberation of the sound beam
Q4) Aliasing is more common in color Doppler than in spectral Doppler.
A)True
B)False
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Chapter 7: Performance and Safety
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30 Verified Questions
30 Flashcards
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Sample Questions
Q1) In soft tissue,a temperature rise is considered significant once it exceeds ________.
A) 2 °C
B) 4 °C
C) 2 °F
D) 4 °F
Q2) The as low as reasonably achievable (ALARA) principle regulates ultrasound instruments.
A)True
B)False
Q3) Which of the following cannot be measured or calculated by a hydrophone?
A) Period.
B) Amplitude.
C) Impedance.
D) Pulse duration.
Q4) Doppler test objects and flow phantoms are not able to evaluate gate location.
A)True
B)False
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