Anatomy of the Occipital Bone Quiz

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Questions and Answers

Which of the following is the site of the bregma?

  • Posterior fontanelle (correct)
  • Foramen magnum
  • Temporal bone
  • External occipital protuberance

Which of the following is a prominent feature of the occipital bone?

  • Temporal lines
  • Zygomatic arch
  • Tympanic part of the temporal bone
  • External occipital protuberance (correct)

What is the function of the external occipital crest?

  • It is part of the tympanic part of the temporal bone.
  • It extends from the external occipital protuberance to the foramen magnum. (correct)
  • It is a depression on the temporal bone that forms the external auditory meatus.
  • It forms the posterior root of the zygomatic arch.

Which of the following is not a part of the temporal bone?

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

What is the function of the suprameatal triangle on the temporal bone?

<p>It is a landmark used to locate the middle cranial fossa. (C)</p> Signup and view all the answers

Which part of the zygomatic arch is formed by the temporal bone?

<p>The posterior root (A)</p> Signup and view all the answers

What is the site of the posterior fontanelle?

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

Which bone features the infraorbital foramen?

<p>Zygomatic bone (A)</p> Signup and view all the answers

The frontal process of which bone forms part of the zygomatic arch?

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

Which structure closes 1.5-2 years after birth?

<p>Anterior fontanelle (D)</p> Signup and view all the answers

How many bones meet at the bregma?

<p>2 (D)</p> Signup and view all the answers

Which bone part houses the external auditory meatus?

<p>Mastoid part (C)</p> Signup and view all the answers

Which of the following is NOT a feature of the occipital bone?

<p>Mastoid process (B)</p> Signup and view all the answers

The zygomatic arch is formed by the articulation of which two bones?

<p>Zygomatic and temporal (C)</p> Signup and view all the answers

Which of the following is NOT a part of the temporal bone?

<p>Ethmoid part (B)</p> Signup and view all the answers

What is the function of the external auditory meatus?

<p>All of the above (D)</p> Signup and view all the answers

Which of the following fontanelles is located at the junction of the sagittal and lambdoid sutures?

<p>Posterior fontanelle (C)</p> Signup and view all the answers

Which bone forms the lateral wall of the orbit and contributes to the formation of the zygomatic arch?

<p>Zygomatic bone (C)</p> Signup and view all the answers

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