Anatomy of the Skull
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Questions and Answers

Which bones of the skull enclose and protect the brain, meninges, and cerebral vasculature?

  • Frontal, occipital, and parietal bones (correct)
  • Temporal and sphenoid bones
  • Zygomatic and nasal bones
  • Sphenoid and ethmoid bones

Which bones form the cheekbones of the face and articulate with the frontal, sphenoid, temporal, and maxilla bones?

  • Nasal bones
  • Lacrimal bones
  • Inferior nasal conchae
  • Zygomatic bones (correct)

Which bones are located at the bridge of the nose?

  • Temporal bones
  • Nasal bones (correct)
  • Frontal bones
  • Zygomatic bones

Which bones increase the surface area of the nasal cavity to allow more contact with inspired air?

<p>Inferior nasal conchae (D)</p> Signup and view all the answers

Which bones form part of the medial wall of the orbit?

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

Which bones are situated at the rear of the oral cavity and form part of the hard palate?

<p>Palatine bones (B)</p> Signup and view all the answers

Which bone forms the posterior aspect of the nasal septum?

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

Which bone articulates with the temporomandibular joint (TMJ)?

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

Which suture fuses the frontal bone with the two parietal bones?

<p>Coronal suture (B)</p> Signup and view all the answers

Which major fontanelle is located at the junction of the coronal and sagittal sutures?

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

Which bone forms the lower jawline and assists in mastication?

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

Which part of the mandible is bound by two surfaces and two borders?

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

What are sutures in anatomy?

<p>Type of fibrous joint unique to the skull (D)</p> Signup and view all the answers

Flashcards

Which bones enclose and protect the brain?

The frontal, occipital, and parietal bones form a protective shell around the brain, its protective coverings (meninges), and the blood vessels that supply it.

What bones form the cheekbones?

Zygomatic bones are situated beneath the eyes, contributing to the cheekbones' prominence.

Which bones form the bridge of the nose?

Nasal bones lie along the midline of the face, forming the bridge of the nose.

What increases the surface area of the nasal cavity?

Inferior nasal conchae are bony plates that increase the surface area inside the nasal cavity, allowing for more efficient air conditioning.

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What forms part of the medial wall of the orbit?

Located at the inner corner of each eye socket, lacrimal bones form part of the wall surrounding it.

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What forms part of the hard palate?

Palatine bones are located behind the hard palate, helping to create its bony structure.

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What forms the posterior part of the nasal septum?

The vomer bone is positioned vertically at the back of the nasal cavity, making up the nasal septum. It provides a rigid structure to separate the two nasal cavities.

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What bones form the temporomandibular joint?

The mandible, the lower jaw bone, articulates with the temporal bone at the temporomandibular joint (TMJ), allowing for chewing and jaw movements.

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What suture joins the frontal to the parietal bones?

The coronal suture runs horizontally across the skull, joining the frontal bone to the parietal bones.

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Where is the frontal fontanelle located?

The frontal fontanelle, a soft spot on a baby's head at the junction of the coronal and sagittal sutures, allows for the skull to expand during brain development.

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What forms the lower jawline and assists in chewing?

The mandible, commonly known as the jawbone, is pivotal for chewing, as it holds the teeth and provides a base for muscle attachment.

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What are the parts of the mandible?

The body of the mandible is the main part of the jaw bone, shaped like a horseshoe and responsible for supporting the teeth.

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What are sutures in anatomy?

Sutures in human anatomy refer to a type of fibrous joint found only in the skull. Unlike other joints, sutures are immovable, interlocking, and allow for skull expansion during infancy.

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