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:B
Explanation:
A female must ovulate before fertilization can begin and implantation happens once the zyfote is formed
Answer: A perceiving type takes in information through the senses. In type language perceiving means "preferring to take in information". The Perceiving preference wants things to be flexible and spontaneous.
The answer for this question would be letter D) or the fourth option.