The anterior portion of the skull, which includes the forehead, is formed by the ______ bone.Multiple choice question.occipitalparietalfrontalsphenoid

Break Down the Problem

1. Identify the region of the skull mentioned (anterior portion including the forehead).
2. Analyze the provided choices to determine which bone matches the description.

Relevant Concepts

1. The forehead is typically associated with the frontal aspect of the skull.
2. The options given are:
   • Occipital: This is located at the back of the skull.
   • Parietal: These are located on the sides and top of the skull.
   • Frontal: This bone forms the forehead and anterior portion of the skull.
   • Sphenoid: This bone is located in the middle of the skull and does not form the forehead.

Analysis and Detail

Among the listed options:

• The occipital bone pertains to the rear of the skull.
• The parietal bones are relevant to the roof and sides.
• The frontal bone clearly corresponds to the forehead area.
• The sphenoid bone serves a different structural function in the central skull.

Verify and Summarize

By analyzing the location and characteristics of the bones, the frontal bone is confirmed to be the anterior portion of the skull, which includes the forehead.

Final Answer

The correct answer is frontal bone.