University of Jordan Faculty Of Medicine Skull Anatomy Quiz
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Questions and Answers

What is the correct term for each of the six views from which the skull is studied?

  • Norma cranialis, Norma caudalis, Norma lateralis, Norma medialis, Norma posterioris, Norma anterioris
  • Norma frontalis, Norma verticalis, Norma occipitalis, Norma lateralis, Norma basalis, Norma basalis interna (correct)
  • Norma superioris, Norma inferioris, Norma lateralis, Norma medialis, Norma posterioris, Norma anterioris
  • Norma superioris, Norma inferioris, Norma occipitalis, Norma lateralis, Norma basalis, Norma interna

    • Which bone is NOT part of the norma frontalis view of the skull?

  • Frontal bone
  • Zygomatic bone
  • Maxilla
  • Nasal bone (correct)

    • Which aperture is NOT mentioned as part of the norma frontalis view of the skull?

  • Superior orbital fissure
  • Two orbital apertures
  • Anterior nasal aperture
  • Posterior nasal aperture (correct)

    • What do the supraorbital foramen and infraorbital foramen transmit?

    <p>Nerves and vessels</p> Signup and view all the answers

    Which process is NOT correctly matched to its corresponding bone?

    <p>Zygomatic process of frontal bone</p> Signup and view all the answers

    Which structure is NOT associated with the Maxilla bone?

    <p>Supraorbital foramen</p> Signup and view all the answers

    What is the function of the alveolar process of Maxilla?

    <p>To form the upper jaw</p> Signup and view all the answers

    Which bone is not mentioned as part of the Norma Verticalis view?

    <p>Temporal bone</p> Signup and view all the answers

    How many premolars are there in total?

    <p>8</p> Signup and view all the answers

    What is the bregma defined as?

    <p>The meeting of the coronal and sagittal sutures</p> Signup and view all the answers

    What is the total number of teeth in both jaws?

    <p>32</p> Signup and view all the answers

    Which bone is the lambda found on?

    <p>Parietal bone</p> Signup and view all the answers

    What is the Norma Occipitalis characterized by?

    <p>A median elevation on the occipital bone</p> Signup and view all the answers

    What forms the Zygomatic Arch?

    <p>The temporal process of the zygomatic bone and the zygomatic process of the temporal bone</p> Signup and view all the answers

    What is the function of the superior nuchal lines?

    <p>To extend laterally from the external occipital protuberance</p> Signup and view all the answers

    What structures make up the external ear?

    <p>External auditory meatus and suprameatal triangle</p> Signup and view all the answers

    What bone is composed of four parts: squamous, mastoid, tympanic, and petrous?

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

    Which structure usually closes 3-6 months after birth?

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

    Study Notes

    Skull Overview

    • The skull is formed of 14 bones (6 single and 8 paired) that articulate with each other by sutures.
    • The skull is studied in six views, each called a norma (frontalis, verticalis, occipitalis, lateralis, basalis, and basalis interna).

    Norma Frontalis

    • Bones: frontal bone, nasal bones, zygomatic bone, and maxilla.
    • Apertures: orbital apertures and anterior nasal aperture.
    • Features: supraciliary arch, supraorbital foramen, and infraorbital foramen.

    Maxilla

    • Features: alveolar process, frontal process, and zygomatic process.
    • Forms the upper jaw with its alveolar arch.

    Teeth

    • Total number of teeth: 32 in both jaws.
    • Distribution: 8 incisors, 4 canines, 8 premolars, 8 molars, and 4 third molars.

    Zygomatic Bone

    • Features: frontal process and maxillary process.

    Norma Verticalis

    • Presents: 4 bones (frontal, 2 parietal, and occipital) and 3 sutures (coronal, sagittal, and lambdoid).
    • Meeting points: bregma (anterior fontanelle) and lambda (posterior fontanelle).
    • Fontanelles: anterior (closes 1.5-2 years after birth) and posterior (closes 3-6 months after birth).

    Norma Occipitalis

    • Features: external occipital protuberance, external occipital crest, and superior nuchal lines.

    Norma Lateralis

    • Presents: parietal, frontal, greater wing of sphenoid, temporal, zygomatic, occipital, maxilla, and mandible bones.

    Temporal Bone

    • Composed of 4 parts: squamous, mastoid, tympanic, and petrous.
    • Features: temporal lines, temporal fossa, zygomatic arch, external auditory meatus, suprameatal triangle, and infratemporal fossa.

    Zygomatic Arch

    • Formed by the temporal process of the zygomatic bone and the zygomatic process of the temporal bone.
    • Posterior root passes above the external auditory meatus and joins the supramastoid crest.

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    Description

    Test your knowledge on the anatomy of the skull as taught by Dr. Ahmed Salman, an associate professor at the University of Jordan Faculty of Medicine. The quiz covers the different bones of the skull, their articulations, and the six views used for studying the skull.

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