NEWEST COMPREHENSIVE EXAM
WITH CORRECT VERIFIED ANSWERS.
A+ GRADED
which type of resolution is parallel to the sound
beams main axis?
axial resolution
which type of resolution is perpendicular to the
sound beams main axis?
lateral resolution
Small reflections occur if
impedances are slightly different air 330 + lung
500
, Large reflections occur if
impedances are substantially different air 330 +
bone 3500
ultrasound is defined as
Sound waves beyond the audible range
Ultrasound is above
20KHz or 20,000Hz
Audible sound is between
20 Hz to 20,000 Hz; 20 Hz to 20 KHz
sine is a