Ultrasound Physics and Imaging Resolution Quiz
Explore ultrasound physics with questions on imaging principles, resolution, frequency, attenuation, and more. Test your knowledge now!
#1
What is the principle behind ultrasound imaging?
Sound waves reflection
Electromagnetic waves reflection
Refraction of light waves
Radio waves transmission
#2
Which property of ultrasound waves determines the resolution of an ultrasound image?
Frequency
Amplitude
Velocity
Wavelength
#3
Which imaging modality utilizes ultrasound waves to produce real-time moving images of internal structures?
CT scan
MRI
Ultrasound
X-ray
#4
What is the term for the ability of ultrasound waves to penetrate through tissues?
Resolution
Scattering
Penetration
Attenuation
#5
What is the term for the ability of ultrasound waves to bounce off boundaries and return as echoes?
Scattering
Transmission
Refraction
Reflection
#6
What is the unit of measurement for ultrasound frequency?
#7
How does increasing the frequency of ultrasound waves affect image resolution?
Decreases resolution
Increases resolution
No effect on resolution
Changes color contrast
#8
Which component of the ultrasound transducer converts electrical energy into mechanical energy?
Piezoelectric crystal
Doppler crystal
PZT crystal
Transmitting crystal
#9
What is the term used to describe the depth at which ultrasound waves can no longer be detected?
Penetration
Resolution
Attenuation
Threshold
#10
What is the term used to describe the strength of the returning ultrasound signal?
Resolution
Echo
Intensity
Scattering
#11
What is the term used to describe the ability of an ultrasound system to distinguish between two objects that are close together?
Contrast
Scattering
Resolution
Penetration
#12
Which of the following factors affects the attenuation of ultrasound waves?
Transducer size
Frequency
Depth of penetration
Amplitude
#13
Which imaging technique allows real-time visualization of blood flow within the body?
B-mode imaging
Doppler imaging
A-mode imaging
M-mode imaging
#14
Which factor primarily determines the resolution in the azimuthal plane of an ultrasound image?
Frequency
Amplitude
Pulse repetition frequency
Wavelength
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