Acoustic Study guides, Class notes & Summaries

Asbestos Building Inspector Complete Questions And Answers 2023 Test Characteristics of asbestos mineral -Naturally occurring -Thermal properties (heat stability, thermal, electrical and acoustic insulation) -Resistance to chemical, thermal and biological degradation -Absorption capacity - Tensile strength What type of asbestos is the fibrous serpentine Chrysotile (white asbestos)- Most common type found in schools Two categories of asbestos minerals and their characteristics 1. Serpe...

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 are the two main factors that affect the velocity of sound in seawater? - correct answer The temperature and salinity of the water. A sound wave traveling from an area of warm water into an area of cold water will be affected in what way? - correct answer It will bend toward the area of cold water. Sonobuoys that transmit an acoustic pulse and detect a resulting echo are classified as what type of sonobuoy? - correct answer Active sonobuoys Sonobuoys equipped with an EFS syst...

Final Exam: MN 551/ MN551 (Latest 2024/ 2025 Update) Questions and Verified Answers| 100% Correct| Grade A Q: A three-year-old girl has been diagnosed with amblyopia. Which of the following pathophysiologic processes is most likely to underlie her health problem? Question 2 options: a. The child may have a neural pathway disorder b. She may have been born with infantile cataracts c. The girl may have chronic bacterial conjunctivitis d. The child may have a congenital deficit of r...

Nr-1211l Exam Acoustic Neuroma Questions with Answers Rated A+2024 A client is diagnosed with an acoustic neuroma. When assessing this client, which manifestation would the nurse expect to find? Select all that apply. A. tinnitus B. vertigo C. staggering gait

COMD 5070 Exam 2 (Latest 2024 / 2025 Update) Acoustics of Speech and Hearing | Questions and Verified Answers | 100% Correct | Grade A - Utah Q: what is subglottal pressure? Answer: P⌄sub -pressure below the larynx -driving pressure for phonation Q: what are some direct ways to measure subglottal pressure? Answer: -tracheal puncture -esophageal pressure Q: how can you measure subglottal pressure? Answer: there are both direct (tracheal puncture and esophageal balloon) and indirect measures (ps...

COMD 5070 Exam 3 (Latest 2024 / 2025 Update) Acoustics of Speech and Hearing | Questions and Verified Answers | 100% Correct | Grade A - Utah Q: How to calculate frequency? If there is a period of 2ms (0.002 seconds)?- Answer: 1/0.002= 500 Hz. Q: What is a harmonic series? Answer: When multiple sine waves or pure tones are combines together. Q: What are integer multiples? Answer: The whole number multiples of whatever the fundamental frequency is. Q: What is the fundamental frequency? Answer: Th...

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? - ...

If a brain exam is being performed and the request is made to rule out acoustic neuroma, a protocol with thin cuts through the _________ should be performed. - correct answer Inner auditory canals The _____________ imaging plane would be the most optimal slice orientation for evaluation of Arnold Chiari Malformation and its inferior cerebellar tonsillar herniation. - correct answer sagittal A FLAIR sequence with a long TI is utilized to: - correct answer null the signal from CSF I...

COMD 5070 Exam 1 (Latest 2024 / 2025 Update) Acoustics of Speech and Hearing | Questions and Verified Answers | 100% Correct | Grade A - Utah Q: What is the difference between pitch perception and frequency measurement? Answer: pitch is subjective to the listener frequency is objective and can be measured Q: How do waveforms differ as frequency goes up or down? Answer: higher frequency wavelengths appear closer together with more frequency over a period of time than lower frequencies Q: What is ...