As an ultrasound beam travels through tissue, its
A) amplitude increases.
B) power increases.
C) focal zone can be changed by the sonographer.
D) intensity must remain constant.
Correct Answer:
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Q8: The "Gold Standard" of medical sonography credentialing
Q9: The relationship between ultrasound frequency and depth
Q10: All of the following are related EXCEPT
A)RTR.
B)RDCS.
C)RVT.
D)RDMS.
Q11: Of the choices below, the material that
Q12: The relationship between ultrasound frequency and image
Q14: Modern ultrasound machines use
A)a continuous wave of
Q15: Ultrasound frequencies are
A)inaudible.
B)not related to wavelength.
C)greater than
Q16: Sound waves behave like light waves in
Q17: The piezoelectric crystal has the potential to
Q18: Ultrasound frequency is expressed in
A)newtons (N).
B)rads.
C)angstroms (A).
D)hertz
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