Low frequency sounds - Study guides, Class notes & Summaries

what are the two main functions of the outer ear (pinna)? Ans: sound localization and middle ear protection Where is the endolymph found and what charge does it have? Ans: in the scala media; positive charge Where is the scala vestibuli located? Ans: in the upper portion where does a low frequency sound start on the basilar membrane? Ans: low frequency sounds start at the apex where does a high frequency sound start on the basilar membrane? Ans: high frequency sounds start at the base ...

SHS 311 Final Exam Questions and Answers 100% Correct What is loudness recruitment? - Answer- -Phenomenon that happens to non-hearing listeners, low intensity level -Caused by loss of outer hair cells For a person with hearing loss, low intensity sounds are () to detect while high intensity sounds are () - Answer- more difficult just as loud as for a person with normal hearing What are the two neural mechanisms that may be used to determine the pitch of a pure tone? In what frequency...

IHS ILE Exam (study for the written hearing aid dealers/fitters exam) What does decreasing the compression ratio do, and when would you use this? - ANS-Soft sound amplification is unaltered, but gain is increased for moderate/loud sounds. Most often used if a PT complains loud sounds aren't loud enough or sound "mushy" What does increasing the compression ratio do, and when would you use this? - ANS-Soft sound gain is unaltered, but gain for moderate/loud sounds is lowered. Most often...

The nurse is caring for a 3 year old child who is 2 hours postop from a cardiac catheritization via the right femoral artery. Which assessment finding is an indication of arterial obstruction? - Correct answer-Right foot is cool to the touch and appears pale and blanched During fundal massage, place one hand at the fundus, what is the second hand used for - Correct answer-to anchor fundus Following a motor vehicle collision, a 3 year old girl has a spica cast applied. Which toy is best fo...

RNAS C Practice Test Review 437 Questions with Verified Answers A capacitor and resisitor in parallel - CORRECT ANSWER will have same voltage across since in parallel. if in series, voltage drops would occur they can be treated together If the absolute pressure of a gas is increased from 3 atm to 4 atm at constant volume, then the absolute temperature of the gas will increase by: A. 25%. B. 33%. C. 67%. D. 75% - CORRECT ANSWER B. Assuming the validity of the Ideal-Gas law, PV = n...

_____ is the perceptual experience of the frequency of a sound, whether it is high like a whistle or low like a bass horn. We perceive high-frequency sounds as having a high ______, and low-frequency sounds as having a low ______. - Pitch ______ ______ is a sleep disorder in which individuals stop breathing because the windpipe fails to open or because brain processes involved in respiration fail to work properly - Sleep apnea ______ _________ come in two types; unipolar and bipolar, accomp...

The nurse notices a colleague is preparing to check the blood pressure of a patient who is sitting with his legs crossed. The nurse knows that this will: a. yield a falsely low blood pressure. b. have no effect on the blood pressure reading. c. produces an auscultatory gap. d. yield a falsely high blood pressure. - ANSWERD (Blood pressure increases when legs are crossed and care should be taken to ensure that feet are flat on the floor to avoid a *false high blood pressure.) Which ac...

ETS Praxis Audiology Practice Test with Verified Solutions Which of the following is true of the occlusion effect observed during pure tone audiometry? A.It results in artificially poorer thresholds at all frequencies. B.It can affect the measurement of air-conduction thresholds at low frequencies. C.It can affect the measurement of air-conduction thresholds at high frequencies. D.It can affect the measurement of bone-conduction thresholds at low frequencies. E.It can affect the mea...

What does decreasing the compression ratio do, and when would you use this? - ANSWER Soft sound amplification is unaltered, but gain is increased for moderate/loud sounds. Most often used if a PT complains loud sounds aren't loud enough or sound "mushy" What does increasing the compression ratio do, and when would you use this? - ANSWER Soft sound gain is unaltered, but gain for moderate/loud sounds is lowered. Most often used if a PT complains loud/moderate sounds are too loud or backgrou...

Percussion - performed to evaluate the size, borders and consistency of internal organs; detect tenderness, and determine the extent of fluid in a body cavity Inspection - First step in physical assessment visual examination of the body, including body movement and posture data obtained by smell are also a factor Palpation - 2nd step in physical assessment using the hands to feel texture, size, shape, consistency, pulsation, and location of certain body parts of the patient's body, such ...