Acoustic Immittance Tests: Patulous Eustachian Tube
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Questions and Answers

What step should be taken if the built-up air pressure does not open the Eustachian tube?

  • Patient should close their eyes tightly
  • Patient should inhale sharply
  • Patient should blow their nose
  • Patient should swallow several times (correct)
  • How is the release of built-up air pressure observed on the manometer?

  • Sharp increase in pressure
  • Abrupt drop in pressure back towards 0 daPa (correct)
  • Slow increase in pressure
  • Constant pressure reading
  • What action should cause the Eustachian tube to open if the patient's swallowing does not work?

  • Chewing gum
  • Yawning (correct)
  • Humming
  • Drinking water
  • What does a high pressure reading on the manometer indicate during the Eustachian tube function test?

    <p>Eustachian tube dysfunction</p> Signup and view all the answers

    When can a Eustachian tube dysfunction be diagnosed?

    <p>When the Eustachian tube cannot be opened by swallowing</p> Signup and view all the answers

    What can cause a lower reading than 0 daPa on the manometer during the Eustachian tube function test?

    <p>Blocked nostrils</p> Signup and view all the answers

    What effect does a properly functioning Eustachian tube have on increasing air pressure?

    <p>Forces the tube open</p> Signup and view all the answers

    What is the purpose of the second step of swallowing in the Eustachian tube function test?

    <p>To open the Eustachian tube</p> Signup and view all the answers

    What should happen when the Eustachian tube opens during the test?

    <p>The pressure decreases abruptly</p> Signup and view all the answers

    How is the Eustachian tube dysfunction diagnosed using the manometer?

    <p>Negative pressure reading</p> Signup and view all the answers

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