Urr Mock Exam 1 Spi Flashcards Correctly Answered Graded A+ 2024/2025

Which of the following controls will have NO effect on the dymanic range? A. compression B. output power C. suppression D. rejection {Ans: B. output power}the doppler shift is : A. the amount of movement of blood flow that occurs each second B. the difference between the velocity of sound and the velocity of the blood flow C. the difference between the speed of sound and the speed of the blood flow D. the difference between the transmitted frequency and the reflected frequency. {Ans: D. the difference between the transmitted frequency and the reflected frequency.}the dynamic range of a system: A. increases with increased rejection B. is measured in kHz C. is operator adjustable D. varies with the medium evaulated {Ans: C. is operator adjustable}which of the following will not change with an increase in gain settings? A. signal to noise ratio B. reflection amplitude C. brightness of the image D. number of echoes displayed {Ans: A. signal to noise ratio}The % of time that is pulsed ultrasound unit is emitting pulses is the ____. A. spatial pulse length B. duty factor C. acoustic impedance D. pulse duration {Ans: B. duty factor}in the electronically focused