Davies Ultrasound Physics Review Questions and
Answers 2025 Update – Verified and 100% Correct |
Latest Sonography Exam Prep
Description: Comprehensive Davies Ultrasound Physics Review for
2025 with verified questions and 100% correct answers. Covers Doppler
principles, wave physics, transducers, artifacts, and instrumentation.
Ideal for ARDMS or sonography certification preparation.
Keywords: ultrasound physics Davies review sonography exam ARDMS
prep Doppler principles medical imaging
Davies Ultrasound Physics Review Questions and Answers 2025
Update – Verified and 100% Correct | Latest Sonography Exam
Prep
1. What is the definition of ultrasound?
Sound with a frequency greater than 20,000 Hz (20 kHz).
2. Which of the following is NOT an acoustic variable?
a) Pressure
b) Density
c) Temperature
d) Particle motion
Answer: c) Temperature
3. The period of a sound wave is determined by:
The sound source.
, 4. What is the relationship between frequency and period?
They are reciprocals.
5. What are the units of frequency?
Hertz (Hz).
6. What is the typical range of hearing for humans?
20 Hz to 20,000 Hz.
7. The propagation speed of sound is primarily determined by:
The density and stiffness of the medium.
8. Which medium has the highest propagation speed?
a) Air
b) Fat
c) Liver
d) Bone
Answer: d) Bone
9. What is the average speed of sound in soft tissue?
1540 m/s.
10. Wavelength is defined as:
The distance over which one cycle occurs.
11. What is the relationship between wavelength, frequency, and
propagation speed?
Speed = Frequency × Wavelength.
12. As frequency increases, wavelength:
Decreases.
13. What are the seven acoustic parameters?
Pressure, density, temperature, particle motion, propagation speed,
Answers 2025 Update – Verified and 100% Correct |
Latest Sonography Exam Prep
Description: Comprehensive Davies Ultrasound Physics Review for
2025 with verified questions and 100% correct answers. Covers Doppler
principles, wave physics, transducers, artifacts, and instrumentation.
Ideal for ARDMS or sonography certification preparation.
Keywords: ultrasound physics Davies review sonography exam ARDMS
prep Doppler principles medical imaging
Davies Ultrasound Physics Review Questions and Answers 2025
Update – Verified and 100% Correct | Latest Sonography Exam
Prep
1. What is the definition of ultrasound?
Sound with a frequency greater than 20,000 Hz (20 kHz).
2. Which of the following is NOT an acoustic variable?
a) Pressure
b) Density
c) Temperature
d) Particle motion
Answer: c) Temperature
3. The period of a sound wave is determined by:
The sound source.
, 4. What is the relationship between frequency and period?
They are reciprocals.
5. What are the units of frequency?
Hertz (Hz).
6. What is the typical range of hearing for humans?
20 Hz to 20,000 Hz.
7. The propagation speed of sound is primarily determined by:
The density and stiffness of the medium.
8. Which medium has the highest propagation speed?
a) Air
b) Fat
c) Liver
d) Bone
Answer: d) Bone
9. What is the average speed of sound in soft tissue?
1540 m/s.
10. Wavelength is defined as:
The distance over which one cycle occurs.
11. What is the relationship between wavelength, frequency, and
propagation speed?
Speed = Frequency × Wavelength.
12. As frequency increases, wavelength:
Decreases.
13. What are the seven acoustic parameters?
Pressure, density, temperature, particle motion, propagation speed,
