Select all the correct statements about the human skull

Question

BlackTom AI · Accepted Answer

Question restatement: Identify all true statements about the human skull from the given options.
Option A: 'The coronoid process articulates with the skull' This is not correct. The coronoid process of the mandible serves as an attachment point for the temporalis muscle and does not form a joint with the skull. The mandible articulates with the skull at the temporomandibular joint via the mandibular condyle, not the coronoid process.
Option B: 'The external acoustic meatus is an opening in the temporal bone' This is true. The external acoustic meatus (ear canal) is a canal within the temporal bone that leads to the eardrum and middle ear.
Option C: 'the bony orbit is formed from 7 bones' This is correct. The orbital bony rim and walls are formed by seven bones: frontal, zygomatic, maxilla, palatine, lacrimal, ethmoid, and sphenoid.
Option D: 'The mastoid is located on the occipital bone' This is false. The mastoid part is a projection on the temporal bone, not the occipital bone; the mastoid process is a feature of the temporal bone.
Option E: 'The frontal is paired in adults' This is false. In adults, the frontal bone is typically unpaired, forming a single bone that constitutes the forehead and the superior part of the eye sockets.

BIOLOGY 211-B09C HW #5: Axial Skeleton

Select all the correct statements about the human skull

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