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MIT103: EXAM 3 QUESTIONS & ANSWERS VERIFIED 100% CORRECT!!
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MIT103: EXAM 3 QUESTIONS & ANSWERS VERIFIED 100% CORRECT!!
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MIT103: EXAM 3 QUESTIONS & ANSWERSVERIFIED 100% CORRECT!!
The image optimization control that allows the sonographer to amplify or boost
the echo signals is called:
a. Time Gain Compensation
b. Receiver Gain
c. Focal zone
d. All of the above Answer - b
Diagnostic ultrasound uses the frequencies of:
a. 10-15 kHz
b. 1-20 kHz
c. 100-1000 Hz
d. 1-20 MHz Answer - d
In the late 1920's and early 1930's, ultrasound was used primarily for:
a. Physical therapy
b. Sterilization of vaccines
c. Cancer treatment
d. All of the above Answer - d
, Frequency is described as:
a. The distance between the peak of one sound wave to the peak of the next
b. The number of oscillations per second
c. The propagation of energy that moves back and forth
d. None of the above Answer - b
The development of Ultrasound truly began shortly after:
a. Radio communication in WWI
b. SONOR in WWII
c. Nuclear testing in WWII
d. Just after man first walked on the moon Answer - b
The higher the transducer frequency, the:
a. Shorter the wavelength
b. Longer the wavelength
c. Deeper the penetration depth
d. Slower the frame rate Answer - a
When a physical pressure is applied to a crystal, an electrical potential is
created. This phenomena is termed:
a. The Doppler effect
b. Piezoelectric effect
c. Amplitude modulation
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