| Question |
Answer |
| 1. True or false: Every anatomical landmark is evident on the radiograph upon which it should be evident. |
false |
| 2. What is the appearance of the pulp chamber? |
radiolucent; dark on a radiograph |
| 3. What is the appearance of a pulp stone? |
radiopaque; light on a radiograph |
| 4. What is the appearance of decay? |
radiolucent |
| 5. What is the appearance of the maxillary sinus? |
radiolucent |
| 6. What is the appearance of the floor of the maxillary sinus? |
radiopaque |
| 7. Where would you expect to find the mental foramen? |
near the mandibular premolar apical area |
| 8. Where would you expect to find the incisive foramen? |
between the roots of the maxillary central incisors |
| 9. Where would you expect to find the lingual foramen? |
on the midline, near the apical areas of the mandibular central incisors |
| 10. What is the appearance of amalgam on a radiograph? |
radiopaque |
| 11. What is the appearance of gold on a radiograph? |
radiopaque with very distinctly sharp outline - more radiopaque than amalgam |
| 12. Which radiographs show the maxillary tuberosity? |
maxillary molar PA and panoramic |
| 13. Which radiographs show the mandibular canal? |
mandibular posterior PAs and panoramic |
| 14. Which radiographs show the external oblique ridge? |
mandibular molar PA and panoramic |
| 15. Which radiographs show the nasolabial fold? |
maxillary premolar PA and premolar BW |
| 16. What is the appearance of an apical abscess on a radiograph? |
radiolucent well-defined circle exactly at the apex of a root |
| 17. What is the inverted Y? |
junction of the maxillary sinus and the nasal fossa |
Biology Lab Midterm
