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.
Reituki. I am sure about this one
Answer: Common cold-like bacteria infections like bugs, fevers.
Explanation:
also, viruses can easily cause diseases, and another name for viruses is bad bacteria like viruses can give you cancer, tumors and can lead to bigger things. Pain and fever without a cough are common signs and symptoms
The most common symptoms of strep throat include Sore throat that can start very quickly. Pain when swallowing. Fever. Red and swollen tonsils, sometimes with white patches or streaks of pus. Tonsillitis an infection of the tonsils. Tonsils are lumps of tissue on both sides of the back of the throat that help the immune system protect the body from infections. Inflamed tonsils get red and swollen and can cause a sore throat.
Answer:
Barometric pressure
Explanation:
Dysbarism injury is a number of signs and symptoms the occurs as a result of exposure to severe, changing and very low barometric pressure.
Dysbarism injury occurs during diving. Symptoms of dysbarism includes: Headaches, extreme tiredness, heart attack, problems with breathing, pain in the joints, pain in the chest, itching, vomiting e.t.c.
