| A | B |
|---|
| How many bones make up the cranium? | 8 bones |
| What is the collective name for the skull cap (superior portion of the cranium)? | Calvarium |
| Which bones form the calvarium? | Frontal, parietal (2), occipital |
| Which bone forms the forehead and roof of the orbits? | Frontal bone |
| Which paired bones form the sides and roof of the cranium? | Parietal bones |
| Which bone forms the posterior and inferior part of the calvarium, including the foramen magnum? | Occipital bone |
| Which bone contains the sella turcica and forms part of the cranial floor? | Sphenoid bone |
| Which bone contains the cribriform plate and crista galli? | Ethmoid bone |
| What is the joint type between cranial bones? | Fibrous, immovable sutures |
| Name the major sutures of the calvarium | Coronal, sagittal, lambdoidal, squamosal |
| What does the sagittal suture connect? | Two parietal bones |
| What does the coronal suture connect? | Frontal bone with two parietal bones |
| What does the lambdoidal suture connect? | Occipital bone with two parietal bones |
| Which bone of the cranium is the only one that articulates with all other cranial bones? | Sphenoid bone |
| What is the small projection of the ethmoid bone that helps anchor the brain’s dura mater? | Crista galli |
| What part of the sphenoid bone resembles a “bat with outstretched wings”? | The greater and lesser wings |
| Which bone contains the mastoid process? | Temporal bone |
| The petrous portion of which bone houses the organs of hearing and balance? | Temporal bone |
| What structure separates the frontal bone from the parietal bones? | Coronal suture |
| Which cranial bone contributes to both the cranial base and the calvarium? | Occipital bone |
