Acoustic - Study guides, Class notes & Summaries

In BAEP's, cochlear nucleus lesion causes? Increased III-V, increased I-V Which modality is most useful in monitoring the integrity of the corticospinal tracts during resection of an intramedullary spinal cord tumor? D-Waves The stimulus used in a brainstem auditory evoked potential study is a click with a peak acoustic power in the range of 2000 to 4000Hz Which of the following tibial nerve responses is not a near field response? N31 How many amperes of current w...

Sonography Principles and Instrumentation - ARDMS SPI Multiple Choice Exam Questions and Answers-A mechanical transducer utilizes: a. transmit focus b. receive focus c. fixed focus d. dynamic aperture focusing - c. fixed focus; sonographer cannot determine the location of # of foci. mechanical transducer uses cross sectional imaging, rotating wheel, wobbler, oscillating mirror A reflection will occur at the boundary of two media if the acoustic impedences of the two media are: a. equal ...

What BEST describes the effect on the patient if you continue to lower a hearing instrument's kneepoint and increase the compression ratio? Choose ALL that apply. A. a lot of gain for soft sounds B. very few speech cues in a crowded party C. little or no gain for moderately loud sounds D. too much amplification in a crowded party - ANSWER-A,B, & C What frequencies would be MOST affected by a head cold? - ANSWER-Low frequencies. 250,500 What is found on the bottom of the ear canal? - ...

BUILDING UTILITIES 3 Module 1 Lecture 4 ROOM ACOUSTICS Exam 2024 Questions and Answers ROOM acoustics -Answer-deals with sound in lecture or concert halls, meeting rooms and classrooms. −The character of the room greatly affects sound production, assisted by loudspeakers or not. Suitability -Answer-is determined by the correct choice and placement of sound- absorbing and sound-reflecting materials in a room (reverberance) and the prevailing (background) noise level in it. reflectors, ...

BUILDING UTILITIES 3 Module 1 Lecture 4 ROOM ACOUSTICS EXAM QUESTIONS AND ANSWERS ROOM acoustics - answerdeals with sound in lecture or concert halls, meeting rooms and classrooms. −The character of the room greatly affects sound production, assisted by loudspeakers or not. Suitability - answeris determined by the correct choice and placement of sound-absorbing and sound-reflecting materials in a room (reverberance) and the prevailing (background) noise level in it. reflectors, sound-...

BUILDING UTILITIES 3 Module 1 Lecture 4 ROOM ACOUSTICS Exam 2024 Questions and Answers ROOM acoustics -Answer-deals with sound in lecture or concert halls, meeting rooms and classrooms. −The character of the room greatly affects sound production, assisted by loudspeakers or not. Suitability -Answer-is determined by the correct choice and placement of sound- absorbing and sound-reflecting materials in a room (reverberance) and the prevailing (background) noise level in it. reflectors, ...

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...

BUILDING UTILITIES 3 Module 1 Lecture 4 ROOM ACOUSTICS EXAM QUESTIONS AND ANSWERS ROOM acoustics - answerdeals with sound in lecture or concert halls, meeting rooms and classrooms. −The character of the room greatly affects sound production, assisted by loudspeakers or not. Suitability - answeris determined by the correct choice and placement of sound-absorbing and sound-reflecting materials in a room (reverberance) and the prevailing (background) noise level in it. reflectors, sound-...

Acoustic Reflex Test and Otoacoustic Emissions Test ...

BUILDING UTILITIES 3 Module 1 Lecture 4 ROOM ACOUSTICS Exam