Ear and sound perception - Study guides, Class notes & Summaries

Goshorn Industrial Final Exam Questions with 100% Correct Answers Latest (Solved) What does CAOHC stand for? - answers-Council for Accreditation of Occupational Hearing Conservation True or False: The OHC can be responsible for the diagnosis of hearing problems. - answers-False Name at least 6 activities the OHC is trained to carry out. - answers-Take noise measurements perform hearing screenings refer to audiologists/physicians Collect medical history Perform a visual ear inspection ...

The ability to identify an object by touch and manipulation with eyes closed is called: A. tactile angosia B. item discrimination C. graphesthesia D. stereognosis - Answer-D To evaluate fine motor function, the patient would be asked to: A. pat his knees with both hands alternating the palm & back of hand B. touch his own nose & the examiners index finger with his finger C. moves his tongue from side to side D. laterally bend his head from left to right - Answer-B CN VI (abducens) is c...

Hearing Aid Dispenser-Hearing Disorders Latest Update with Complete Solutions The Air-Bone Gap is: Always better hearing by bone conduction than by air conduction, never the reverse. The Air-Bone Gap indicates: Impairment to the conductive portion of the hearing mechanism. Sensorineural Component What term describes the difference between the bone threshold and the range of normal hearing. (same as the loss by bone conduction)? Conductive Component What is the over-all differe...

EENT Clinical Qs Exam 2 Questions with Answers Which antibiotic would you use, considering the patient has a PCN allergy? - Answer-Erythromycin (streptococcal infection) A 78-year-old Caucasian man presents with unilateral painless loss of vision in the right eye of 3 hours duration. Examination reveals an elderly man who is anxious but in no acute distress. Visual acuity is light perception only in the right eye and 20/30 in the left eye. Pupillary examination is significant for an afferen...

MDC 1 - Exam 2 Study Guide questions and answers latest 2023- Always knock or announce your entrance into the patient's room or area and introduce yourself. - Orient the patient to the environment, counting steps with him or her to the bathroom - Help the patient place objects on the bedside table or in the bed and around the bed and room and do not move them without the patient's permission - Remove all objects and clutter between the patient's bed and the bathroom. - Use a normal tone o...

Audiology Exam 3 Questions and Answers What do behavioral tests measure? - Correct Answer ️️ -A patient's subjective perception of sound What do physiological tests measure? - Correct Answer ️️ -The objective measure of the body's response to sound What are examples of behavioral tests? - Correct Answer ️️ -Pure tone testing Speech audiometry Why are physiological tests needed? - Correct Answer ️️ -With behavioral tests, someone might not raise their hand if they're no...

Science Olympiad Sounds of Music Latest Update 100% Correct Antinodes areas of highest vibration Nodes areas of least vibration Amplitude height of a wave compressions regions of high air pressure rarefactions regions of low air pressure intensity power/area pitch perception of frequency by ear Decibel unit of loudness harmonics unit of frequency frequency a mathematical representation of how high or low a pitch is, and is based on the rate that it vibrates at ...

Higher pitch = - ️️higher frequency - but perception depends on the environment Wavelength - ️️the distance b/w two peaks/an up-down cycle Middle ear - ️️everything inside the tympanic membrane and before the oval window LSO - ️️- monitors intensity differences for high-frequency sound - head blocks frequencies that have wavelengths smaller than the head - produces a sound shadow (in humans - higher than 2kHz) - the ipsilateral LSO starts firing more when there is a sound ...

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Sound waves are ___; compression is __ of a wave, rarefaction is ___ ~~> longitudinal - move like a slinky; top; bottom Period ~~> the time taken for one up-down cycle (wavelength) Wavelength ~~> the distance b/w two peaks/an up-down cycle Universal wave equation ~~> speed = distance/time = wavelength/period Higher pitch = ~~> higher frequency - but perception depends on the environment Sound frequency ~~> - longer wavelengths = lower frequency - basilar membr...