Bi-stable imaging systems were replaced by grayscale methods because:
A) the image display was too slow.
B) they failed to demonstrate subtle soft tissue interfaces.
C) they had limited recording options.
D) the phosphor-coated screens were subject to screen "decay."
Correct Answer:
Verified
Q7: Based on his experiments with bats, _
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Q10: Who first identified the characteristic motion patterns
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Q13: The phenomenon of piezoelectricity was discovered by:
A)
Q14: The destructive nature of ultrasound on biologic
Q15: Pythagoras observed:
A) that sound is produced by
Q16: Focused high-energy ultrasound waves are used to:
A)
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