Oral Radiology: Self Quiz #1

Use this self-quiz to test your knowledge. For each question select the correct response; feedback will appear in the text box below it. Click on the thumbnail below to view the accompanying radiograph.

Anatomy

1. The radiographic age of this patient is

a. 7 - 8 years old
b. 9 - 10 years old
c. 12 - 13 years old
d. 14 - 15 years old

2. Identify the opaque structure apical to the maxillary central incisors

a. odontoma
b. nose
c. incisal foramen
d. supernumary tooth

3. The opacity indicated by the "A" should be recognized as -
a. abscess
b. odontoma
c. ear lobe
d. mastoid process

4. The structure indicated by the "B" should be recognzed as -
a. cystic lesion
b. artifact
c. maxillary sinus
d. pterygo-maxillary fissure

5. The structure indicated by the "C" should be recognized as -
a. bite stick
b. supernumary tooth
c. odontoma
d. sialolith

6. Identify the horizontal opacity apical to the maxillary teeth.
a. static electricity
b. pharyngeal air space
c. hard palate
d. enlarged impacted tooth

7. Identify the round opacity labeled "D"
a. odontoma
b. supernumary tooth
c. antrolith
d. middle concha
e. inferior concha

8. Identify the opacity labeled "E"
a. hyoid bone
b. sialolith
c. ghost image
d. artifact

9. Identify the opacity labeled "F"

a. hyoid bone
b. sialolith
c. ghost image
d. artifact
e. none of the above

10. Identify the large, poorly demarcated lucency in the body of the mandible
a. malignancy
b. osteoporosis
c. periapical pathology
d. submandibular salivary gland fossa
e. none of the above

11. Identify the linear opacity indicated by the "G"
a. maxillary sinus
b. cyst
c. pathology
d. none of the above

12. Identify the lucency seen in the midline of the mandible and indicated by the "H"
a. periapical pathology
b. intervertabral space
c. cyst
d. pharyngeal air space

13. Identify the structure indicated by the "I"
a. articular eminence
b. mastoid process
c. floor of the middle cranial fossa
d. fracture

14. Identify the line indicated by the opposing arrows
a. fracture
b. head support
c. artifact
d. static electricity

Click here to view a fully-labelled version of the radiograph.

Techniques

15. How will you minimize the horizontal opacity apical to the maxillary teeth.
a. elevate the tongue
b. drop the chin
c. elevate the chin
d. sit up straight

16. How will you remove the horizontal lucency apical to the maxillary teeth.

a. elevate the tongue
b. drop the chin
c. elevate the chin
d. sit up straight