ARDMS SPI Exam: Multiple Questions with
Correct Answers for Guaranteed Success |
Verified for Academic Excellence
When the direction of the wave propagation is parallel to the particle motion of the
medium, the wave being transmitted is called a:
14. A technician is using a 6 MHz transducer at a depth of 4cm, what is the attenuation
coefficient?
A) 1/2 dB/cm
B) 8 dB/cm
C) 6 dB/cm
D) 3 dB/cm - CORRECT ANS- -D) 3 dB/cm
15. Which reflector type requires a specific angle for optimal imaging?
A) Diffuse
B) Specular
C) Rayleigh's scattering
D) Scattering - CORRECT ANS- -B) Specular
16. A difference between the incident angle and the transmitted angle, means which
process has happened?
A) Reflection
B) Refraction
C) Rarefaction
D) Absorption - CORRECT ANS- -B) Refraction
17. What trade-off is made when there is an increase in the number of scan lines?
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