Anatomy Exam Bones of the Cranial Vault 2

Question 1

Which suture connects the frontal bone to the two parietal bones?

Accepted Answer

Coronal suture

Answer

The coronal suture runs transversely across the skull, joining the frontal bone anteriorly to both parietal bones.

Question 2

The external occipital protuberance is a landmark on which cranial vault bone?

Accepted Answer

Occipital bone

Answer

The external occipital protuberance is a prominent midline projection on the outer surface of the occipital bone.

Question 3

Which part of the temporal bone contains the internal acoustic meatus?

Accepted Answer

Petrous part

Answer

The petrous part of the temporal bone contains the internal acoustic meatus, through which CN VII and CN VIII pass.

Question 4

The bregma is the point where which two sutures intersect?

Accepted Answer

Coronal and sagittal sutures

Answer

Bregma is the junction of the coronal and sagittal sutures, corresponding to the anterior fontanelle in infants.

Question 5

Which cranial vault bone articulates with all other cranial bones?

Accepted Answer

Sphenoid bone

Answer

The sphenoid bone articulates with all other cranial bones, earning it the designation as the 'keystone' of the cranium.

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