Western North Carolina Aid
Answer:
The correct answer is - Changing PRF.
Explanation:
Pulsed wave Doppler uses the principle of Doppler effect that objects that move changes the characteristic of sound waves. It is creates images by sending the short and quick pulses of the sound, it helps in the determining the velocity of blood in a exact time and location.
PRF or pulse repetition frequencies, is a Doppler sampling frequency that can affect the acoustic exposure of the scanning. PRF is measured in KHz.
Thus, the correct answer is - changing PRF.
Answer:
you doing good just stop cheating!!!!!
Explanation:
Answer: helping a elderly person across the street.
Giving the homeless some food or money.
Help carry groceries inside for your parents.
Explanation:
