Question

question 18

which is the best description for the function of the cranial bones?

a allow introduction of food into the digestive system

b house the special sense organs

c protect the brain

d provide passageways for respiratory gases to move into and out of the body

Explanation:

Define cranial bones

Using the Skull Anatomy knowledge point
The skull is divided into facial bones and cranial bones. The cranial bones form the cranium, which is the protective bony vault surrounding the brain.

Analyze the primary function

The primary, most critical function of the cranial bones is to enclose and protect the brain from physical injury.

Evaluate the options

• Option A describes the function of facial bones (like the mandible and maxilla) involved in mastication.
• Option B describes a function shared by facial and cranial bones (such as housing the eyes or inner ear), but it is not the primary defining function of the cranial bones as a whole.
• Option C directly states "protect the brain," which is the primary function of the cranial cavity.
• Option D describes the nasal cavity and associated facial bones.

Answer:

• (A) allow introduction of food into the digestive system
• (B) house the special sense organs
• (C) protect the brain (Correct answer)
• (D) provide passageways for respiratory gases to move into and out of the body