Position Yo Face
12 Questions
| Attempts: 193
Positioning yo face and skull
Questions and Answers
- 1.
Which facial bones are sometimes called the "cheeck bones"
- A.
Maxilla
- B.
Zygoma
- C.
Lacrimal
- D.
Mandible
Correct Answer
B. Zygoma -
- 2.
From anterior to posterior, the cone-shaped orbits project upward at an angle of ____degrees and toward the midsagittal plant at an angle of ____degrees.
- A.
15, 10
- B.
5, 8
- C.
57, 50
- D.
37, 30
Correct Answer
D. 37, 30 -
- 3.
An infection of the teeth may travel upward and involve the ______sinus
- A.
Ethmoid
- B.
Maxillary
- C.
Frontal
- D.
Sphenoid
Correct Answer
B. Maxillary -
- 4.
Which sinus will be projected through the open mouth with a PA axial transoral projection?
- A.
Ehtmoid
- B.
Maxillary
- C.
Frontal
- D.
Sphenoid
Correct Answer
D. Sphenoid -
- 5.
Facial bone studies should always be performed recumbent whenever possible
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
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- 6.
The common basic PA axial projection for facial bones requires a 15 degree caudad angle of the CR which projects the dense petrous ridges into the lower one-third of the orbits.
- A.
True
- B.
False
Correct Answer
A. True -
- 7.
A "free floating" zygomatic bone is the frequent result of a ____fracture.
- A.
Blowout
- B.
Countecroup
- C.
Tripod
- D.
Le Fort
Correct Answer
C. Tripod -
- 8.
Where is the CR centered for a lateral position for facial bones?
- A.
Outer canthus
- B.
Acanthion
- C.
Zygoma
- D.
Nasion
Correct Answer
C. Zygoma -
- 9.
What is the proper method name for the parietacanthial projection of the facial bones?
- A.
Townes
- B.
Rhese
- C.
Caldwell
- D.
Waters
Correct Answer
D. Waters -
- 10.
What CR angle must be used to project the petrous ridges just below the orbital floor with the PA axial (Caldwell method) prjection?
- A.
None, CR is perpendicular
- B.
30 degrees
- C.
20 degrees
- D.
45 degrees
Correct Answer
B. 30 degrees -
- 11.
Which facial bone structures are best seen with a parietoacanthial projection?
- A.
Orbits, bony nasal septum, maxilla, zygoma
- B.
Lacrimal, palatine, maxilla, zygoma
- C.
Orbits, frontal, lacrimal, zygoma
Correct Answer
A. Orbits, bony nasal septum, maxilla, zygoma -
- 12.
Which structures specifically are visualized better on the modified parietoacanthial (Waters) projection as compared with the basic Waters projections?
- A.
Zygomatic arches & lacrimals
- B.
Orbital rims & floor
- C.
Nasal septum
- D.
Orbits & palatine
Correct Answer
B. Orbital rims & floor -
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Current Version
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Mar 21, 2022Quiz Edited by
ProProfs Editorial Team -
Dec 07, 2009Quiz Created by
Santa4school
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