Anatomy of the Ear and Hearing Impairments Quiz
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Questions and Answers

Which part of the ear receives sound waves from the surrounding environment?

  • Eardrum
  • Pinna (correct)
  • Ossicles
  • Stirrup
  • What is the function of the Eustachian tube in the middle ear?

  • Blocking sound waves
  • Producing earwax
  • Transmitting sound vibrations
  • Regulating air pressure (correct)
  • Which structure marks the beginning of the middle ear and separates it from the outer ear?

  • Ossicles
  • Stirrup
  • Eardrum (correct)
  • Pinna
  • What is the pathway for sound waves in the outer ear?

    <p>Ear canal</p> Signup and view all the answers

    Which part of the middle ear consists of the hammer/malleus, anvil/incus, and stirrup/stapes?

    <p>Ossicles</p> Signup and view all the answers

    Why is it important to understand the anatomy and functionality of the outer and middle ear?

    <p>To comprehend hearing impairments better</p> Signup and view all the answers

    According to the World Health Organization's classification, what is the hearing level range for slight hearing impairment?

    <p>26-40 dB</p> Signup and view all the answers

    Which statement regarding the WHO's classification of hearing impairment is true?

    <p>It recommends that people with 15-20 dB hearing levels may experience hearing problems.</p> Signup and view all the answers

    According to the WHO's classification, what is the expected performance for individuals with no hearing impairment?

    <p>No or very slight hearing problems. Able to hear whispers.</p> Signup and view all the answers

    According to the WHO's classification, which recommendation is given for individuals with slight hearing impairment?

    <p>Counseling and hearing aids may be needed.</p> Signup and view all the answers

    What is the primary purpose of the World Health Organization's classification of hearing impairment?

    <p>To standardize the terminology used in describing different degrees of hearing loss.</p> Signup and view all the answers

    According to the WHO's classification, individuals with an average pure-tone audiometry of 20 dB would be classified as having:

    <p>No impairment</p> Signup and view all the answers

    What is the decibel (dB) range for moderate hearing impairment?

    <p>35.0 to 49.9 dB</p> Signup and view all the answers

    What is the primary recommendation for individuals with severe hearing impairment (6180 dB)?

    <p>Lip-reading should be taught</p> Signup and view all the answers

    What is the hearing experience in a noisy environment for individuals with mild hearing loss (20.0 to 34.9 dB)?

    <p>May have real difficulty following/taking part in a conversation</p> Signup and view all the answers

    What is the hearing experience in a quiet environment for individuals with moderately severe hearing loss (65.0 to 79.9 dB)?

    <p>Can hear loud speech directly in one's ear</p> Signup and view all the answers

    What is the definition of unilateral hearing impairment according to the revised classification?

    <p>&lt; 20.0 dB hearing level in the better ear, 35.0 dB hearing level or greater in the worse ear</p> Signup and view all the answers

    What is the primary recommendation for individuals with profound hearing loss (80.0 to 94.9 dB)?

    <p>Lip-reading and sometimes signing essential</p> Signup and view all the answers

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