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Questions and Answers
Which type of bone is the occipital bone classified as?
What is one of the primary functions of the occipital bone?
Which of the following bones articulates with the occipital bone?
What type of blood supply does the occipital bone receive?
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Which part of the temporal bone is NOT listed in its subdivisions?
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Which bone is NOT a part of the cranium?
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How many Parietal bones are present in the cranium?
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What is the primary function of the Frontal bone?
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Which of the following bones articulates with the Frontal bone?
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Which artery supplies blood to the Frontal bone?
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What type of bone are the Parietal bones classified as?
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Which bone articulates with both the Frontal bone and the Sphenoid bone?
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What is FALSE about the Sphenoid bone?
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Which bones make up the cranium?
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Study Notes
The Cranium
- The cranium is comprised of 8 bones.
Frontal Bone
- Type: Flat bone
- Parts: Squamous, orbital, and nasal.
- Location: At the front of the cranium.
- Articulates: With parietal bones, ethmoid bone, lacrimal bones, maxillae, nasal bones, zygomatic bones, and sphenoid bone.
- Blood Supply: Middle meningeal artery.
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Functions:
- Provides structure to the skull, eye orbits, and upper face.
- Protects the frontal lobe of the brain.
- Aids in facial expressions.
Parietal Bones
- Type: Flat bones.
- Parts: Frontal, occipital, sphenoidal, and mastoid angles.
- Location: Articulate with the frontal bone, occipital bone, temporal bone, and sphenoid bone.
- Blood Supply: Middle meningeal artery.
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Functions:
- Provide structure to the skull.
- Form the roof and sides of the cranium.
Occipital Bone
- Type: Flat bone.
- Parts: Squamous, basilar, and lateral.
- Location: Articulates with parietal bones, temporal bones, sphenoid bone, and atlas.
- Blood Supply: Middle meningeal artery.
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Functions:
- Provides structure to the skull.
- Provide attachment for muscles.
- Forms the foramen magnum.
Temporal Bones
- Type: Irregular bones.
- Parts: Squamous, Petrous, Tympanic, Mastoid, and Styloid.
- Location: Articulates with parietal bone, occipital bone, and zygomatic bone.
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Description
Explore the anatomy of the cranium and its key components including the frontal, parietal, and occipital bones. This quiz covers their types, locations, functions, and articulations with other bones. Test your knowledge on cranial anatomy and understand its significance in protecting the brain.
