100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
NBC-HIS Study Guide $15.99   Add to cart

Exam (elaborations)

NBC-HIS Study Guide

 4 views  0 purchase
  • Course
  • NBC-HIS - National Board for Certification in Hearing Instrument Sciences
  • Institution
  • NBC-HIS - National Board For Certification In Hearing Instrument Sciences

A/C Correct Answer-Refers to a process by which sound is conducted through the outer and middle ear B/C Correct Answer-Refers to the evaluation of the inner ear function exclusive of the outer or middle ear involvement ABR Correct Answer-auditory brainstem response Transfer function or are...

[Show more]

Preview 4 out of 45  pages

  • August 19, 2024
  • 45
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • NBC-HIS - National Board for Certification in Hearing Instrument Sciences
  • NBC-HIS - National Board for Certification in Hearing Instrument Sciences
avatar-seller
cracker
NBC-HIS Study Guide
A/C Correct Answer-Refers to a process by which sound is conducted
through the outer and middle ear


B/C Correct Answer-Refers to the evaluation of the inner ear function
exclusive of the outer or middle ear involvement


ABR Correct Answer-auditory brainstem response


Transfer function or areal ratio Correct Answer-22:1 an increase of
27dB


Acoustic reflex Correct Answer-Involuntary response, contraction of
stapes, damper on system


stapedius and tensor tympani Correct Answer-Keeps ossicles Chain
taught, responds to vibrations from TM, protects cochlea from
dangerously loud sounds, acoustic reflex


Terms associated with Scalia media Correct Answer-Cochlear duct
Canal of the cochlea
Membranous labyrinth
Contains organ of corti

,What frequencies does the base of the cochlea contain Correct Answer-
Highs


What frequencies does the apex contain Correct Answer-Lows


place theory of hearing Correct Answer-different areas of the basilar
membrane respond to different frequencies, neurons fire at a rate
identical to stimulus below 1kHz


Volley theory of pitch perception Correct Answer-Stimulus beyond
1KHz are volleyed


Outer Ear Components Correct Answer-Helix
Anti Helix
scaphoid fossa
triangular fossa
external auditory meatus
tragus
anti tragus
lobule
concha
tympanic membrane
osseos portion
cartilaginous portion

,inter-tragal notch


What does the outer ear do Correct Answer-funnels sound toward the
inner ear


External Auditory Meatus Correct Answer-Self cleaning, 5cm long
portion of the outer ear


Vagus Nerve Correct Answer-Tenth cranial nerve


Tympanic Membrane Correct Answer-Comprised of 4 layers and creates
an air tight/water tight seal to the middle ear cavity


TM layers Correct Answer-comprised of 4 layers


Annular Ring Correct Answer-Holds TM in place


Pars Tensa Correct Answer-thick, taut, central-inferior section of
tympanic membrane


Pars flaccida Correct Answer-small, slack, superior section of tympanic
membrane


Quadrants of the Tm Correct Answer-anterior superior, anterior inferior,
posterior superior, posterior inferior

, Middle ear components and use Correct Answer-conduct sound energy
to the inner ear, holds the ossicular chain by the tensor tympani and
stapeius muscles


Incudostapedial junction Correct Answer-top of malleus articulates with
top of incus, bottom of incus meets stapes


Middle ear muscles and functions Correct Answer-Suspends the
ossicular chain, acoustic reflex and protects cochlea from dangerously
loud sounds


Eustachian Tube Correct Answer-connects the middle ear with the
nasopharynx and allows passage of air


mastoid process Correct Answer-round projection on the temporal bone
behind the ear


Semicircular Canals Correct Answer-three fluid-filled canals in the inner
ear responsible for our sense of balance


Vestibule Correct Answer-endolymph filled cavity attached to the
semicircular canals and the cochlea that is responsible for gravity and
acceleration

The benefits of buying summaries with Stuvia:

Guaranteed quality through customer reviews

Guaranteed quality through customer reviews

Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.

Quick and easy check-out

Quick and easy check-out

You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.

Focus on what matters

Focus on what matters

Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!

Frequently asked questions

What do I get when I buy this document?

You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.

Satisfaction guarantee: how does it work?

Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.

Who am I buying these notes from?

Stuvia is a marketplace, so you are not buying this document from us, but from seller cracker. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for $15.99. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

84866 documents were sold in the last 30 days

Founded in 2010, the go-to place to buy study notes for 14 years now

Start selling
$15.99
  • (0)
  Add to cart