Chapter 29: Normal Anatomy: Panoramic Images
Iannucci: Dental Radiography, 5th Edition
MULTIPLE CHOICE
1. You have been asked to take a single image on your patient to evaluate his maxilla and the
mandible. Which of the following should you take?
a.
Four bite-wing images
b.
18-image periapical series
c.
21-image periapical series
d.
Panoramic
2. This bilateral landmark is located above the apices of the maxillary premolars and molars and
appears radiolucent on the panoramic image.
a.
Maxillary sinus
b.
Maxilla
c.
Incisive foramen
d.
Infraorbital foramen
3. The mastoid process is a marked prominence of bone located ____________ to the
temporomandibular joint (TMJ).
a.
anterior and superior
b.
anterior and inferior
c.
posterior and superior
d.
posterior and inferior
4. The mastoid process is a sizable curved __________ that ______ seen on periapical images.
a.
radiolucency; is
b.
radiolucency; is not
c.
radiopacity; is
d.
radiopacity; is not
5. Which of the following structures is part of the sphenoid bone?
a.
Glenoid fossa
b.
Articular eminence
c.
Lateral pterygoid plate
d.
Styloid process
6. Which of the following structures may be seen on a periapical image?
a.
Mastoid process
b.
Styloid process
c.
External auditory meatus
d.
Maxillary tuberosity
7. The _____________ is a long, thin, pointed process below the external auditory meatus.
a.
glenoid fossa
b.
articular eminence
c.
styloid process
d.
lateral pterygoid plate
8. The glenoid fossa is a _______________ area.
a.
dome-shaped, elevated
b.
dome-shaped, indented
c.
bowl-shaped, elevated
d.
bowl-shaped, indented
9. The _____________ articulates with the glenoid fossa.
a.
styloid process
b.
mastoid process
c.
mandibular condyle
d.
coronoid process
10. On a panoramic image, the articular eminence appears as a rounded radiopaque projection of
the bone located _________ to the glenoid fossa.
a.
anterior
b.
posterior
c.
superior
d.
inferior
11. The lateral pterygoid plate is a wing-shaped bony projection of the __________ bone.
a.
temporal
b.
frontal
c.
occipital
d.
sphenoid
12. The pterygomaxillary fissure is a narrow space or cleft that separates the ________ and the
maxilla.
a.
medial pterygoid plate
b.
lateral pterygoid plate
c.
hamulus
d.
coronoid notch
13. On a panoramic image, which of the following structures appears as a radiolucency?
a.
Lateral pterygoid plate
b.
Medial pterygoid plate
c.
Pterygomaxillary fissure
d.
Coronoid process
14. On a panoramic image, which of the following structures appears radiolucent on images and is
located above and in front of the mastoid process?
a.
Hamulus
b.
Maxillary tuberosity
c.
Coronoid process
d.
External auditory meatus
15. On a panoramic image, the infraorbital foramen may be superimposed over the
____________.
a.
mental foramen
b.
maxillary sinus
c.
frontal sinus
d.
external auditory meatus
16. Only the __________ border of the orbit is visible on most panoramic images.
a.
inferior
b.
lateral
c.
medial
d.
superior
17. On a panoramic image, the incisive foramen appears as an almond-shaped radiolucent area
located
a.
at the apex of the mandibular first premolar.
b.
below the orbit
c.
between the roots of the maxillary central incisors.
d.
above the maxillary sinuses.
18. The anterior nasal spine is a pointed, bony protrusion of the maxilla situated ____________
the nasal fossa.
a.
in front of and above
b.
in front of and below
c.
behind and above
d.
behind and below
19. The nasal cavity is also known as the
a.
nasal spine.
b.
nasal septum.
c.
zygoma.
d.
nasal fossa.
20. The nasal _______, which consists of bone and cartilage, separates the nasal cavity into the
two halves.
a.
spine
b.
cavity
c.
hard palate
d.
septum
21. (1) The zygomatic process appears Y-shaped on images. (2) The zygomatic process appears
radiolucent on images.
a.
Both statements are true.
b.
Both statements are false.
c.
The first statement is true; the second statement is false.
d.
The first statement is false; the second statement is true.
22. The hamulus extends from the
a.
medial pterygoid plate of the sphenoid bone.
b.
lateral pterygoid plate of the sphenoid bone.
c.
coronoid process.
d.
styloid process.
23. Which of the following structures may be seen on both periapical and panoramic images?
a.
Mandibular condyle
b.
Coronoid notch
c.
Mandibular foramen
d.
Mental foramen
24. (1) Areas of teeth not covered by the lips appear more radiolucent; areas covered by the lips
appear more radiopaque. (2) The tongue appears as a faint dome-shaped, radiopaque area
superimposed over maxillary posterior teeth.
a.
Both statements are true.
b.
Both statements are false.
c.
The first statement is true; the second statement is false.
d.
The first statement is false; the second statement is true.
25. The ______________ is a marked prominence of bone found on the anterior superior ramus
of the mandible.
a.
mandibular condyle
b.
coronoid notch
c.
coronoid process
d.
lingula
26. The __________ is a hole or opening in bone located on the external surface of the mandible
in the region of the mandibular premolars.
a.
mandibular foramen
b.
lingula
c.
mandibular canal
d.
mental foramen
27. The ________ foramen is a tiny hole or opening in bone located on the internal surface of the
mandible near the midline.
a.
lingual
b.
mental
c.
incisive
d.
mandibular
28. On a panoramic image, the ____________ air space appears as a diagonal radiolucency
located superior to the radiopaque shadow of the soft palate and uvula.
a.
palatoglossal
b.
nasopharyngeal
c.
glossopharyngeal
d.
both a and b
29. On a panoramic image, the ear is viewed superimposed over the
a.
anterior teeth.
b.
styloid process.
c.
incisive foramen.
d.
mandibular canal.
30. Border of the mandible
a.
Label A
b.
Label B
c.
Label C
d.
Label I
31. Orbit
a.
Label D
b.
Label A
c.
Label J
d.
Label E
32. Mental foramen
a.
Label F
b.
Label G
c.
Label H
d.
Label J
33. Hard palate
a.
Label A
b.
Label C
c.
Label E
d.
Label G
34. Coronoid process
a.
Label B
b.
Label D
c.
Label F
d.
Label I
35. Condyle
a.
Label B
b.
Label C
c.
Label G
d.
Label H
36. External auditory meatus
a.
Label F
b.
Label G
c.
Label B
d.
Label I
37. Mandibular canal
a.
Label I
b.
Label H
c.
Label J
d.
Label A
38. Nasal conchea
a.
Label B
b.
Label E
c.
Label F
d.
Label H
39. Zygomatic arch
a.
Label C
b.
Label E
c.
Label H
d.
Label J