TMS
Didactic Muse
Page 21
Imaging Ultrasound Cont.
Question 7: The axial resolution depends of _____________________.
a. Reflection coefficient
b. The power
c. Acoustic impedance
d. The frequency
Question 8: The STC device is needed because of_________ the ultrasound
waves.
a. Distortion
b. The attenuation
c. Amplification
d. Reflection
Question 9: What is the definition of signal loss_________.
a. Distortion
b. Attenuation
c. Amplification
d. Reflection
Question 10: 1 ―rayl‖ equals __________.
a. 2 dyne-second per cubic centimeter
b. 1 parsec-second per cubic millimeter
c. 1 dyne-second per cubic centimeter
d. 3 Pascal-second per cubic centimeter
Answers: 1.A 2.B 3.C 4.D 5.C 6.A 7.D 8.B 9.B 10.C