Utah Master Esthetician Practice Exam

How many cranial bones does an adult human skull typically contain?

1. 6

2. 8

3. 10

4. 12

The correct answer is: 8

An adult human skull typically contains eight cranial bones, which are essential for protecting the brain and supporting the facial structure. These cranial bones include the frontal bone, two parietal bones, two temporal bones, the occipital bone, the sphenoid bone, and the ethmoid bone. Each of these bones has specific functions and contributes to the overall shape and integrity of the skull. In understanding cranial anatomy, it's important to recognize that the skull not only provides protection but also contributes to the structure of the face and the formation of cavities that house sensory organs. The number eight is crucial because it reflects the standard anatomy that is generally taught in both foundational biology and medical education. The other options presented do not align with the recognized anatomical structure of the adult human skull, making eight the accurate and definitive answer.