Study guides, Class notes & Summaries

SPI ARDMS EXAM |Q & A |ALREADY GRADED A+ |2024 UPDATE What type of wave is sound? Correct Ans ~ mechanical and longitudinal The frequency ranges for ultrasound are: Correct Ans ~ >20 kHz The speed of sound in soft tissue is: Correct Ans ~ 1540 m/s which of the following transducers fires the elements in groups? A. Linear sequenced array B. Phased array C. Continuous-wave transducer D. Single-element transducer Correct Ans ~ A Enhancement is caused by** Correct Ans ~ weakly attenuati...

__________ is the reciprocal of period. A. inverse period B. PRP C. frequency D. propagation speed - Correct Answer C. Frequency A bouquet has 30 flowers. The size of the bouquet is decreased by a factor of 3. How many flowers remain? A. 27 B. 0 C. 10 D. 15 - Correct Answer C. 10 A byte is composed of __ bits. A word is composed of ___ bytes. A. 2, 2 B. 8, 2 C. 16, 16 D. 8, 16 - Correct Answer B. 8, 2 (a string of eight bits of computer memory is a byte. Two bites of...

SPI PRACTICE EXAM LATEST QUIZZES & ANS!!

Davies SPI Review New Questions with 100% Correct Answers Already Graded A+ What action below would be most in keeping with the ALARA principle while performing a diagnostic ultrasound examination? Allow multiple students to scan an obstetrical patient because the fetus is in a good position for imaging. Prolong the sonogram to make videos of the fetus for each family member. Complete the diagnostic scan in a timely fashion at the lowest output power that achieves a quality image. Maximize ...

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