Spl x - Study guides, Class notes & Summaries

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 -ANSWER time it takes for 1 cycle to occur (usec) P = 1/f ...

Sonography Canada Core Review | questions and answers 2023/24 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...

ARDMS SPI Exam |Complete Questions with Correct Answers Graded A+ When the direction of the wave propagation is parallel to the particle motion of the medium, the wave being transmitted is called a: A) surface wave. B) longitudinal wave. C) transverse wave. D) non-linear sound. B) longitudinal wave If the sound beam attenuated 6 dB, what will happen to the overall intensity? A) Quadrupled B) Doubled C) Halved D) Quartered D) Quartered Frequency increased from 3 MHz to 6 MHz,...

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 deviation from normal ...

Hearing conservation certification Questions and Answers, Graded A+ CAOHC's primary objective is to: a. Promote hearing loss prevention by enhancing the quality of occupational hearing conservation practices b. Provide input to legislative action regarding occupational hearing program implementation c. Train council members in occupational hearing program implementation d. Train audiologists in occupational hearing program implementation A A COHC is NOT able to train other OHCs to ...

©BRIGHTSTARS EXAM SOLUTIONS 10/22/2024 12:14 PM 5. SPPA - spatial peak, pulse average 6. SAPA - spatial average, pulse average What has the highest sound velocity? - answerIntensities from Largest to smallest: SPTP -> Im -> SPPA -> SPTA -> SATA Temporal Intensities from Largest to smallest: Itp -> Imax -> Ipa -> Ita Definition of spatial pulse length? - answerDistance that a pulse occupies in space from the start to the end of a pulse. Units: mm Determined by: BO...

ARDMS SPI Exam |Complete Questions with Correct Answers Graded A+ When the direction of the wave propagation is parallel to the particle motion of the medium, the wave being transmitted is called a: A) surface wave. B) longitudinal wave. C) transverse wave. D) non-linear sound. B) longitudinal wave If the sound beam attenuated 6 dB, what will happen to the overall intensity? A) Quadrupled B) Doubled C) Halved D) Quartered D) Quartered Frequency increased from 3 MHz to 6 MHz,...

SPI MOCK EXAM QUESTIONS AND ANSWERS 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 through which sound travels - bot...

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 deviation from normal A -ANSWER = ...

ARDMS SPI Exam |Complete Questions with Correct Answers Graded A+ When the direction of the wave propagation is parallel to the particle motion of the medium, the wave being transmitted is called a: A) surface wave. B) longitudinal wave. C) transverse wave. D) non-linear sound. B) longitudinal wave If the sound beam attenuated 6 dB, what will happen to the overall intensity? A) Quadrupled B) Doubled C) Halved D) Quartered D) Quartered Frequency increased from 3 MHz to 6 MHz,...