ARDMS - SPI Study Quizzes | New Questions with 100% Correct Answers Already Graded A+

ARDMS - SPI Study Quizzes | New Questions with 100% Correct Answers Already Graded A+ Which technique utilizes frequency modulation of the transmitted pulse to improve signal to noise ratio? spatial compounding Which angle of isonation to blood flow produces the maximum doppler shift? 180 degrees Which imaging mode requires two elements mounted side by side? continuous wave doppler What is a benefit of using contrast agents? increased amplitude of the returning dopplers What is the most common cause of localized vertical nonuniformity in a real time b mode image? improper time gain compensation Which type of interaction between sound and tissue is most affected by the thermal index (TI)? absorption Which control allows adjustment for attenuation at specific depths? Time gain compensation Which condition must be present for refraction to occur? a difference in tissue propagation speeds and oblique incidence