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Multiple Choice
Which of the following are features of the temporal bone?
A
Foramen magnum
B
Crista galli
C
Mastoid process
D
Sella turcica
Verified step by step guidance
1
Begin by identifying the location and function of the temporal bone in the human skull. The temporal bone is situated at the sides and base of the skull, and it plays a role in forming the cranial cavity and housing structures of the ear.
Understand the features associated with the temporal bone. The mastoid process is a prominent feature of the temporal bone, located behind the ear. It serves as an attachment point for neck muscles and contains air cells that communicate with the middle ear.
Differentiate the features listed in the problem. The foramen magnum is a large opening in the occipital bone, not the temporal bone, through which the spinal cord passes. The crista galli is a part of the ethmoid bone, serving as an attachment for the brain's meninges. The sella turcica is a saddle-shaped depression in the sphenoid bone that houses the pituitary gland.
Recognize that the mastoid process is the correct feature associated with the temporal bone, as it is anatomically part of this bone and serves specific functions related to muscle attachment and ear structure.
Conclude by reinforcing the importance of understanding the anatomical location and function of each bone feature to accurately identify them in the context of the human skull.