New Jersey State Board Esthetics Practice Exam

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Prepare for the New Jersey State Board Esthetics Exam with confidence. Study essential topics, utilize questions with explanations, and get ready to excel in your test!

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What bone connects all cranial bones?

Maxilla
Frontal
Sphenoid
Ethmoid

The correct answer is: Sphenoid

The sphenoid bone is known as the "keystone" of the cranial floor because it connects with all other cranial bones, effectively articulating with a total of seven bones: the frontal, parietal, temporal, occipital, zygomatic, maxilla, and ethmoid. This unique position allows the sphenoid to play a crucial role in the overall structure and stability of the skull. Unlike the other bones listed, which do not connect in such a comprehensive manner, the sphenoid provides important support and is integral to the formation of the cranial cavity. Its complex shape and multiple articulations make it essential for the connection between the various parts of the skull, contributing to both function and anatomy.