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Frontal Bone Anatomy Quiz

Test your knowledge of the frontal bone with this quiz. Questions cover the location, shape, and characteristics of the frontal bone in the human skull.

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@JudiciousPortland
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Questions and Answers

Which bone is located in the forehead region of the skull?

Frontal bone

What is the shape of the frontal bone?

Shell-shaped

Which term best describes the frontal bone?

Flat

How many frontal bones are there in the skull?

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

Which of the following bones articulate with the 1st cervical vertebra, the facial bones, and the mandible?

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

What is the only movable joint in the whole neurocranium and viscerocranium?

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

Which of the following bones form the superior and lateral walls of the cranium?

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

Which bones make up the brain case?

<p>Parietal and temporal bones</p> Signup and view all the answers

Which part of the frontal bone consists of two orbital plates and two zygomatic plates?

<p>Nasal part</p> Signup and view all the answers

Which skull bones are bilateral and overlie the parietal lobes of the brain?

<p>Occipital bones</p> Signup and view all the answers

Which bones articulate with the 1st cervical vertebra, the facial bones, and the mandible?

<p>Ethmoid and occipital bones</p> Signup and view all the answers

Which bone is located in the forehead region of the skull?

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

What is the only movable joint in the whole neurocranium and viscerocranium?

<p>Temporomandibular joint</p> Signup and view all the answers

Which part of the frontal bone consists of two orbital plates and two zygomatic plates?

<p>Squamous part</p> Signup and view all the answers

What is the shape of the frontal bone?

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

Which of the following bones form the superior and lateral walls of the cranium?

<p>Parietal and temporal bones</p> Signup and view all the answers

Which bone forms the most posterior superior part of the neurocranium?

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

What is the only movable joint in the whole neurocranium?

<p>Temporomandibular joint</p> Signup and view all the answers

Which bone consists of six main parts including the squamous part, nasal part, orbital plates, and zygomatic plates?

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

Which bone forms the lower lateral walls of the skull and contains the middle and inner portions of the ear?

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

In newborns, what are the frontal sinuses like?

<p>Small cavities without any openings</p> Signup and view all the answers

Which bone consists of five constituent parts including the squamous, tympanic, and petromastoid parts?

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

Which part of the occipital bone contains the foramen magnum?

<p>Occipital condyles</p> Signup and view all the answers

Which bone is an immobile joint between adjacent bones of the skull?

<p>Squamous suture</p> Signup and view all the answers

Which bilateral skull bones overlie the parietal lobes of the brain and are covered superficially by the epicranial aponeurosis?

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

What runs down the midline of the forehead in newborns but disappears at about 8 years old?

<p>Metopic suture</p> Signup and view all the answers

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Study Notes

Frontal Bone

  • Located in the forehead region of the skull
  • Has a flat, rectangular shape
  • Single bone, non-pair bone in the skull
  • Consists of six main parts: squamous part, nasal part, orbital plates, and zygomatic plates
  • Part of the frontal bone consists of two orbital plates and two zygomatic plates

Cranium

  • Formed by the frontal bone, parietal bones, occipital bone, temporal bones, sphenoid bone, and ethmoid bone
  • Frontal bone, parietal bones, and occipital bone form the superior and lateral walls of the cranium
  • Occipital bone forms the most posterior superior part of the neurocranium
  • Parietal bones are bilateral and overlie the parietal lobes of the brain

Joints

  • The only movable joint in the whole neurocranium and viscerocranium is the mandible (jawbone)
  • Immobile joints occur between adjacent bones of the skull

Development

  • In newborns, the frontal sinuses are absent or small
  • The frontal suture runs down the midline of the forehead in newborns but disappears at about 8 years old

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