Amplitude prp and prf Study guides, Class notes & Summaries

ARDMS SPI STUDY GUIDE QUESTIONS AND ANSWERS ALREADY PASSED In soft tissue, if the frequency of a wave is increased the Propagation Speed (PS) will... Remain the Same because stiffness and density affect Propagation Speed. What is the audible range? 20-20,000Hz >20,000Hz=Ultrasound Frequency is measured in Hertz (Hz) is Cycles per Second Not affected by sonographer Increase Frequency; Decrease Depth A period is the length of time it takes for one complete wavelength to pass a fixed poin...

Sonography Canada Core Review Exam 2023. f - ANSWER v/wavelength frequency - ANSWER number of cycles per second T - ANSWER 1/f Period - ANSWER length of time for one cycle 1540 m/s - ANSWER speed of sound in soft tissue infrasound - ANSWER <20Hz audible sound - ANSWER 20Hz-20,000Hz ultrasound - ANSWER >20,000Hz c - ANSWER = root (bulk modulus/density) or =stiffness/density bulk modulus - ANSWER stress/strain I - ANSWER = P/a P - ANSWER = E/T Amplitude - ANSWER maximum deviat...

Which is described as the ability of an object to resist compression and relates to the harness of a medium a stiffness b density c pressure d inertia a Stiffness An increase in PRF would lead to a an increase in DF b a decrease in PD c an increase in the number of cycles d decrease in resolution a an increase in DF Which of the following would have the highest propagation speed a air b bone c soft tissue d water b bone As imaging depth increases, PRF must: a...

Sonography Canada Core Review Exam 2023. f - ANSWER v/wavelength frequency - ANSWER number of cycles per second T - ANSWER 1/f Period - ANSWER length of time for one cycle 1540 m/s - ANSWER speed of sound in soft tissue infrasound - ANSWER <20Hz audible sound - ANSWER 20Hz-20,000Hz ultrasound - ANSWER >20,000Hz c - ANSWER = root (bulk modulus/density) or =stiffness/density bulk modulus - ANSWER stress/strain I - ANSWER = P/a P - ANSWER = E/T Amplitude - ANSWER maximum deviat...

Sonography Canada Core Review Exam 2023. f - ANSWER v/wavelength frequency - ANSWER number of cycles per second T - ANSWER 1/f Period - ANSWER length of time for one cycle 1540 m/s - ANSWER speed of sound in soft tissue infrasound - ANSWER <20Hz audible sound - ANSWER 20Hz-20,000Hz ultrasound - ANSWER >20,000Hz c - ANSWER = root (bulk modulus/density) or =stiffness/density bulk modulus - ANSWER stress/strain I - ANSWER = P/a P - ANSWER = E/T Amplitude - ANSWER maximum deviat...

f - v/wavelength frequency - number of cycles per second T - 1/f Period - length of time for one cycle 1540 m/s - speed of sound in soft tissue infrasound - <20Hz audible sound - 20Hz-20,000Hz ultrasound - >20,000Hz c - = root (bulk modulus/density) or =stiffness/density bulk modulus - stress/strain I - = P/a P - = E/T Amplitude - maximum deviation from normal A - = max-normal A^2 - proportional to intensity and power PRP - = 1/PRF line tim...

Sonography Canada - Core Exam Questions and Answers A+ Score. what is the I SPPA for mechanical bioeffects? - ANSWER 190W/cm^2 what is the I SPTA for thermal bioeffects? - ANSWER 720mW/cm^2 recommended MI for fetal scanning - ANSWER MI < 1.9 recommended TI for fetal scanning - ANSWER TI < 0.7 after what fetal age is safe to use PW doppler? - ANSWER 14 weeks what does ALARA stand for - ANSWER as low as reasonably achievable frequency - ANSWER # of cycles/second f = 1/p period - ANS...

Sonography Canada - Core Exam 114 Questions and Answers A+ Score. what is the I SPPA for mechanical bioeffects? - ANSWER 190W/cm^2 what is the I SPTA for thermal bioeffects? - ANSWER 720mW/cm^2 recommended MI for fetal scanning - ANSWER MI < 1.9 recommended TI for fetal scanning - ANSWER TI < 0.7 after what fetal age is safe to use PW doppler? - ANSWER 14 weeks what does ALARA stand for - ANSWER as low as reasonably achievable frequency - ANSWER # of cycles/second f = 1/p period -...

ARDMS – SPI Exam Questions With Verified And Updated Solutions. What type of wave is a sound wave? - answerlongitudinal, mechanical molecules of the medium vibrate at 90 degrees to the direction of the traveling wave - answertransverse wave what is the range of audible sound? - answer20 Hz to 20 kHz portion of a cycle where the molecules are pushed closer together - answercompression portion of a cycle where the molecules spread farther apart - answerrarefaction what are the three prim...

SPI Exam Review Questions And Answers (Updated And Verified) Ultrasound imaging type in which pulses are reflected and used to produce a display - answerpulsed wave brightness of the dots on image - answeramplitude round-trip travel time per cm in soft tissue - answer13 microseconds A line produced on a display that represents ultrasonic echoes returning from the body. A sonographic image is composed of many such lines. - answerscan line Type of image presented in a rectangular format. ...