Question

Bones that articulate with the sphenoid include which of the following?a. Parietal b. Frontal c. Occipital d. Zygomatic e. Ethmoid

Accepted Answer

Step 1: Understand the location and function of the sphenoid bone. The sphenoid is a complex, butterfly-shaped bone located at the base of the skull, forming part of the floor of the cranial cavity. It articulates with several other bones in the skull. Step 2: Review the anatomy of the bones listed in the options. The parietal bone forms the sides and roof of the cranial cavity, the frontal bone forms the forehead and part of the eye sockets, the occipital bone forms the back and base of the skull, the zygomatic bone forms the cheekbones, and the ethmoid bone is located between the eyes and contributes to the nasal cavity and orbit. Step 3: Recall that the sphenoid bone is centrally located and serves as a keystone bone, meaning it connects with multiple other bones in the skull. This includes bones that contribute to the cranial cavity, orbit, and nasal structures. Step 4: Identify the specific articulations of the sphenoid bone. The sphenoid articulates with the parietal bone at the sides, the frontal bone at the front, the occipital bone at the back, the zygomatic bone at the lateral sides, and the ethmoid bone at the anterior portion near the nasal cavity. Step 5: Based on the anatomical relationships, determine that all the listed bones (parietal, frontal, occipital, zygomatic, and ethmoid) articulate with the sphenoid bone. This is due to its central location and role in connecting various parts of the skull.

Bones that articulate with the sphenoid include which of the following?
a. Parietal
b. Frontal
c. Occipital
d. Zygomatic
e. Ethmoid

비슷한 문제에 대한 검증된 영상 답변:

주요 개념

Sphenoid Bone Anatomy

Cranial Bone Articulation

Multiple Choice Question Strategy