Spi practice questions Study guides, Class notes & Summaries

SPI PRACTICE QUESTIONS WITH SOLID ANSWERS (322 terms)

Sound waves are: - Answer- longitudinal, mechanical The speed of sound in soft tissue is closest to: - Answer- 1,500 m/s The frequency closest to the lower limit of ultrasound is: - Answer- 15,000 Hz Which is not an acoustic variable? - Answer- intensity The effects of soft tissue on ultrasound are called: - Answer- acoustic propagation properties All of the following are true EXCEPT: - Answer- two waves with identical frequencies must interfere constructively Put in decreasing...

What best describes a sound wave? -answer- A mechanical longitudinal wave What MUST be different on the two sides of an interface for refraction to occur? -answer- Propagation speed of sound and oblique incidence The characteristic acoustic impedance of a medium equals the product of -answer- density and speed of sound Ultrasonic attenuation is considered to consist of two parts scattering and absorption. Absorption is -answer- local conversion of ultrasound energy to heat Which of t...

SPI PRACTICE QUESTIONS with correct answers

SPI Practice Questions 1 Latest 2024 | New Questions with 100% Correct Answers Already Graded A+ 1. The term Anechoic in relation to a sonographic image means? A. structure that appears lighter than the surrounding structures B. The absence of echos C. A structure that appears the same as surrounding structures D. A structure that reflects 100% of the sound wave B. The absence of echos Question 1 Explanation: An (without) echoic (producing echoes) 2. If you have two near identical systems w...

SPI PRACTICE QUESTIONS with correct Answers highlighted 2023.

SPI PRACTICE QUESTIONS WITH 100% CORRECT ANSWERS

SPI PRACTICE QUESTIONS WITH COMPLETE SOLUTIONS Sound waves are: longitudinal, mechanical The speed of sound in soft tissue is closest to: 1,500 m/s The frequency closest to the lower limit of ultrasound is: 15,000 Hz Which is not an acoustic variable? intensity The effects of soft tissue on ultrasound are called: acoustic propagation properties All of the following are true EXCEPT: two waves with identical frequencies must interfere constructively Put in decreasing order: deci, deca, micro...

Ultrasound Physics - Mock Exam Questions for SPI Practice Questions and Answers (100% Pass)

Sound waves are: correct answers longitudinal, mechanical The speed of sound in soft tissue is closest to: correct answers 1,500 m/s The frequency closest to the lower limit of ultrasound is: correct answers 15,000 Hz Which is not an acoustic variable? correct answers intensity The effects of soft tissue on ultrasound are called: correct answers acoustic propagation properties All of the following are true EXCEPT: correct answers two waves with identical frequencies must interfere...