SPI Study guides, Class notes & Summaries

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 Exam New Questions with 100% Correct Answers Already Graded A+ Which of the following do the source and the medium determine? a. duty factor b. frequency c. propagation speed d. axial resolution d. Axial resolution is affected by all of the following EXCEPT a. frequency b. damping c. spatial pulse length d. focusing d. Damping in a transducer a. reduces the number of cycles in a pulse and increases the quality factor b. increases the number of cycles in a pulse and incr...

SPI Mock Exam |New Questions with 100% Correct Answers Already Graded A+ When the ELASTICITY of a medium is HIGH, the _____ is HIGH - stiffness - prop. speed - compressibility - reflectivity compressibility What term describes the # of cycles that an acoustic variable completes in a second? - period - freq. - PRP - variable rate freq. What happens to venous flow return to the HEART when a person INHALES? increases What establishes the freq. of an US wave? - transducer - medium thro...

SPI Practice Questions with 100% Correct Answers Already Graded A+ 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 ord...

SPI Ultrasound Registry Exam Review New Questions 2024 with 100% Correct Answers | Verified | Latest Update | 100% Pass | Already Graded A+ SPL wavelength x # of cycles With phased array transducers, the transmitted sound beam is steered by Varying the timing of pulses to the individual piezoelectric elements What type of wave is sound? mechanical and longitudinal The Frequency ranges for Ultrasound are: > 20,000 Hz (20kHz) The speed of sound in soft tissue is: 1540 m/s Linear sequence ...

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

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

Which of the following do the source and the medium determine? a. duty factor b. frequency c. propagation speed d. axial resolution d.

When the ELASTICITY of a medium is HIGH, the _____ is HIGH - stiffness - prop. speed - compressibility - reflectivity compressibility

SPI PRACTICE QUESTIONS & ANSWERS 2024 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 interfer...