Foramen Magnum and the Cranial Bone

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Questions and Answers

Which cranial bone houses the foramen magnum?

The occipital bone houses the foramen magnum. It’s a large opening at the base of the skull which allows the spinal cord to pass through and connect to the brain

How many bones make up the neurocranium?

Frontal (1) Parietal bones (2) Temporal bones (2) Occipital bones (1) Sphenoid bone (1) Ethmoid bone (1)

If you are suffering with a headache, which cranial bones might you be rubbing/massaging?

Frontal bone(forehead area), Temporal bones (sides of the head) Parietal bones (upper sides and top of the head)

Is the following statement true or false. The cranial cavity is made of flat and irregular bones.

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

The infratemporal fossa serves as a passageway for what important structure?

<p>Maxillary artery which is a large major branch of the external carotid artery. Mandibular nerve, a branch of the trigeminal nerve, pterygoid muscles which is involved in jaw movement, chords tympani nerve which is a branch of the facial nerve, related to taste and salivation</p> Signup and view all the answers

Crista Galli are a feature of which bone

<p>The Crista Galli is a feature of the ethmoid bone</p> Signup and view all the answers

Where would you find the Foramen Ovale, and what important structure passes through this

<p>The foramen ovale is located in the sphenoid bone of the mandibular nerve, which is the third branch of the trigeminal nerve, passes through the foramen ovale.</p> Signup and view all the answers

The sphenoid bones is one of the 7 bones that form the orbit

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

What bone is the most fragile bone of the skull?

<p>The lacrimal bone is considered the most fragile bone of the skull due to its thin structure and location within the orbital cavity</p> Signup and view all the answers

Which of the following groups of bones are flat bones

<p>Occipital Parietal Frontal (A)</p> Signup and view all the answers

Which best describes the ethmoid bone?

<p>It is situation in the paranasal sinuses (C)</p> Signup and view all the answers

Which of the following are NOT sutures associated with the cranium?

<p>Sagittarius (B), Squeamish (C)</p> Signup and view all the answers

Which of the following is NOT a paired bone

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

Which bone is anterior to the temporal bone?

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

Where is the vomer bone located?

<p>Inside the nasal cavity (A)</p> Signup and view all the answers

The hyoid bone is connected to what via ligaments?

<p>Posterior portion of the mandible (B)</p> Signup and view all the answers

The hyoid bone is involved in all the following except

<p>Allowing head to pivot (C)</p> Signup and view all the answers

Flashcards

Which bone contains the foramen magnum?

The occipital bone houses the foramen magnum, a large opening at the base of the skull allowing the spinal cord to connect to the brain.

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