Understanding Skull Anatomy

What are the main bones that make up the skull?

• Cranial bones: frontal, parietal, temporal, occipital, sphenoid, ethmoid; Facial bones: nasal, maxilla, zygomatic, mandible, palatine, lacrimal, vomer.

• Cranial bones: rib, sternum, clavicle

• Facial bones: scapula, femur, tibia

• Cranial bones: humerus, radius, ulna

How many bones are in the adult human skull?

• 18

• 24

• 22

• 20

What is the primary function of the skull?

• To enhance hearing ability.

• To facilitate breathing during sleep.

• To store nutrients for the body.

• To protect the brain and support the face.

Which part of the skull houses the brain?

• Zygomatic arch

• Nasal cavity

• Maxillary sinus

• Cranial cavity

What are the two main divisions of the skull?

• Cranial vault and jawbone

• Forehead and cheekbones

• Cranium and facial bones

• Skull cap and mandible

What is the role of the cranial sutures?

• To facilitate the movement of the jaw.

• To protect the brain from external injuries.

• The role of cranial sutures is to allow for skull growth and provide structural stability.

• To store nutrients for the skull.

Name one function of the facial bones.

• Support for the teeth.

• Production of red blood cells.

• Facial expression control.

• Protection of the brain.

What cavities are found within the skull?

• Cranial cavity, facial cavities (orbits, nasal cavity, oral cavity), paranasal sinuses.

• Pelvic cavity

• Thoracic cavity

• Abdominal cavity

How does the skull protect the brain?

• The skull provides nourishment to the brain through blood vessels.

• The skull protects the brain by encasing it in a hard bony structure that absorbs impacts and prevents damage.

• The skull acts as a communication channel for brain signals.

• The skull allows the brain to expand freely without any protection.

What type of injuries can occur to the skull?

• Soft tissue injuries, muscle tears, and skin abrasions

• Burns, sprains, and strains

• Internal bleeding, fractures in the arm, and dislocations

• Skull fractures, concussions, contusions, and lacerations.