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Multiple Choice
Which of the following is considered a bony opening of the skull?
A
Foramen magnum
B
Mastoid process
C
Mandibular condyle
D
Coronal suture
Verified step by step guidance
1
Step 1: Understand the anatomy of the skull and the terminology used. A 'bony opening' refers to a hole or passageway in the bone that allows structures such as nerves, blood vessels, or the spinal cord to pass through.
Step 2: Review the options provided: Foramen magnum, Mastoid process, Mandibular condyle, and Coronal suture. Identify which of these terms refers to an opening in the skull.
Step 3: Recall that the foramen magnum is a large opening at the base of the skull through which the spinal cord passes to connect with the brain. This matches the definition of a bony opening.
Step 4: Examine the other options: The mastoid process is a bony projection behind the ear, the mandibular condyle is part of the jawbone that articulates with the skull, and the coronal suture is a joint between skull bones. None of these are openings.
Step 5: Conclude that the correct answer is 'Foramen magnum' based on its anatomical function and structure as a bony opening in the skull.