Skull Labeling Quiz

1. A label surrounds the bone that holds the upper teeth and contributes to the floor of the orbit. What is it?

2. A label brackets the ridge of the maxilla containing the sockets of the upper teeth. Which structure is being identified?

3. Looking through the anterior nasal aperture, you see a curved, scroll-like bone projecting from the lower part of the lateral nasal wall. What is it?

4. A small opening is labeled on the maxilla directly below the orbit. Which landmark is it?

5. A label indicates the tiny bone on the medial wall of the orbit near the groove associated with tear drainage. Which bone is it?

6. Which paired bones form the bony bridge of the nose?

7. A label points to the transverse seam where the frontal bone meets the paired nasal bones at the root of the nose. Which suture is this?

8. A clinician traces the route of a nerve supplying the chin and lower lip to an opening on the front of the mandible. Which opening should be labeled?

9. Which bone forms the forehead and much of the roof of each orbit?

10. Which bone forms the lower portion of the visible bony nasal septum?

11. Which bone forms the lower jaw and is the skull’s main freely movable bone?

12. When looking into the orbit from the front, which passage at its posterior end carries the optic nerve toward the brain?

13. A label points to a notch or opening in the superior orbital margin where a sensory nerve reaches the forehead. Which landmark is indicated?

14. In an anterior skull view, what is the large pear-shaped bony opening leading into the nasal cavity called?

15. Which suture marks the junction between the zygomatic bone and the maxilla near the inferolateral orbital rim?

16. From an anterior view, a label points to the prominent cheek and the lateral rim of the orbit. Which bone is indicated?