Ultrasound physics

Which of the following transducers will have the worst axial resolution? a. Vector array, 3 MHz b. Linear Sequential Array, 6 MHZ c. Linear Phased Array 7.5 MHZ d. Annular Array, 6 MHz - Answer Vector array, 3 MHz A sound wave is traveling in the body and propagates from muscle to air. What percentage of the sound wave is most likely reflected at the muscle-air boundary? a. 0.5% b. 75% c. 25% d. 5% e. 99% - Answer 75% Which of the following lists is in decreasing order...

Ultrasound Physics - Mock Exam Questions for SPI questions with correct answers

SPI Ultrasound Physics Review| 296 QUESTIONS| WITH VERIFIED COMPLETE SOLUTIONWhen will the Doppler shift be the highest? A.when the beam is parallel to the direction of flow B.when the beam is at a 45 degree angle to flow C.when the beam is perpendicular to the direction of flow D. Doppler shift is unrelated to beam angle Correct Answer: A.when the beam is parallel to the direction of flow Which of the following best describes the principles of hemodynamics? -The pressure difference requ...

Intro To Understanding Ultrasound Physics Exam With Complete Solution 50. What is the range of periods commonly found in waves produced by ultrasound systems? A. 0.001 to 1s B. 0.06 to 0.5 us C. 0.2 to 1 ms D. 10 to 100 ns - CORRECT ANSWER-B. Ultrasonic imaging waves have a period in ps. The period is the range of 0.06 to 0.5 the time of a single cycle. Period is the loolto reciprocal of frequency. A wave with a frequency of 2 MHz has a period of 0.5 usec. A wave with a frequency...

Test For Ultrasound Physics (Chapter 1- 3) Verified!! Unrelated - CORRECT ANSWER-Two items that are not associated Two items that are associated such that when one item increases, the other increases - CORRECT ANSWER-Directly related Two items that are associated such that when one item increases, the other decreases - CORRECT ANSWER-Inversely related Reciprocal relationship - CORRECT ANSWER-When two numbers with a reciprocal relationship are multiplied together, the result is one

Ultrasound Physics Chapter 14 exam with 100% complete solution

Ultrasound Physics Review CH 13 & 14 test with 100% correct answers

Test Exam For Ultrasound Physics Chapter 6 With Complete Solution sound waves weaken, or ________, as they travel through the body. - CORRECT ANSWER-attentuate amplified - CORRECT ANSWER-strengthened deibel notation - CORRECT ANSWER-standard measurement tool used to report the strength of the wave A number that represents the number of 10s that are multiplied to create the original number - CORRECT ANSWER-log

Understanding Ultrasound Physics 4 th Edition Exam Practice () sound travels in a - CORRECT ANSWER-straight line sound beams must be ________ to optimize lateral resolution - CORRECT ANSWER-narrow Mechanical Transducer - CORRECT ANSWER-contains -singe, disc-shaped element that is physically move

While using a linear sequential array transducer during a color Doppler exam, the shape of the grayscale image is most often _______, Whereas the shape of the color Doppler portion of the image is _______. A. rectangular, parallelogram B. rectangular, sector C. sector, trapezoid D. square, rectangular Correct Answer: A. rectangular, parallelogram The shape of a grayscale image using a linear sequential array is rectangular. However, the sound beams used for Doppler are steered at an an...