Why do you think a fracture involving the bones of the nasal cavity could affect the cranial cavity?

Yes, fracture may result in damage cranial cavity and nasal cavity. Fracture involving the the breaking of bones. The nasal fracture is the broken bones of nose, Symptoms include bleeding, swelling and inability to breathe. Cranial fracture is calso called skull fracture. in which the breakage of bone of the skull, symptoms include blood behind the ear drum.

Nasal cavily could affect the cranial cavity because the nose is a window to the brain. It provides direct path for the harmful substances from to the brain. Your olfactory nerve is sitting out for the sampling air.

Cranial and facial bones affect the following senses: senses of vision, taste, ... senses are affected by the cranial and facial bones.