Human Ear Anatomy

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Questions and Answers

What is the purpose of cerumen?

  • To repel water, trap dust, and moisturize the epithelium (correct)
  • To increase sound waves
  • To help hearing
  • To reduce noise pollution

What is the function of the eustachian tube?

  • To regulate body temperature
  • To produce cerumen
  • To connect the middle ear to the nasopharynx (correct)
  • To amplify sound waves

What is the tympanic membrane?

  • A thin, translucent membrane (correct)
  • A nerve in the auditory system
  • A muscle in the middle ear
  • A bone in the cochlea

What is the location of the ceruminous glands?

<p>In the outer ear canal (D)</p> Signup and view all the answers

What occurs when the tensor veli palatini muscle is activated?

<p>The eustachian tube opens (B)</p> Signup and view all the answers

What is the purpose of the self-cleaning mechanism in the ear?

<p>To move old skin cells and cerumen out of the ear (A)</p> Signup and view all the answers

What is the purpose of the otic capsule?

<p>To form the medial wall of the middle ear (C)</p> Signup and view all the answers

What is the function of the middle ear?

<p>To connect the outer ear to the inner ear (A)</p> Signup and view all the answers

What is the diameter of the tympanic membrane?

<p>1 cm (C)</p> Signup and view all the answers

What is the length of the eustachian tube?

<p>35 mm (A)</p> Signup and view all the answers

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