LRA 226 Week 2 Questions with Quality
Answers A Grade
Which is the only movable joint in the skull?
TMJ
A fracture involving the facial bones where a blow to one side causes a fracture to the opposite side is
termed a ____ fracture.
Conrecoup
Where is the CR centered for a lateral projection of the facial bones?
Zygoma
What is the angle between the OML and the plane of the IR for the parietoacanthial (Waters)
projection?
37 °
Where does the CR exit for a modified parietoacanthial (modified Waters) projection of the facial
bones?
Acanthion
, Which positioning line is placed perpendicular to the plane of the IR with a true lateral nasal bone
projection?
IPL interpupillary
Which of the following projections will best demonstrate the bony nasal septum?
parietoacanthial (modified Waters)
How much skull tilt and rotation are required for the oblique inferosuperior (tangential) projection for
zygomatic arches?
15°
We have an expert-written solution to this problem!
Which projection best demonstrates the floor of the orbits?
modified parietoacanthial projection
Why is the chin extended for an axiolateral oblique projection of the mandible?
to prevent superimposition upon the cervical spine.
The modified Law method for TMJs requires a ____ rotation of the skull and a ____ angle of the CR.
15° and 15°
The submentovertex projection requires that the inferior OML (IOML) is placed parallel to the image
receptor. T/F
Answers A Grade
Which is the only movable joint in the skull?
TMJ
A fracture involving the facial bones where a blow to one side causes a fracture to the opposite side is
termed a ____ fracture.
Conrecoup
Where is the CR centered for a lateral projection of the facial bones?
Zygoma
What is the angle between the OML and the plane of the IR for the parietoacanthial (Waters)
projection?
37 °
Where does the CR exit for a modified parietoacanthial (modified Waters) projection of the facial
bones?
Acanthion
, Which positioning line is placed perpendicular to the plane of the IR with a true lateral nasal bone
projection?
IPL interpupillary
Which of the following projections will best demonstrate the bony nasal septum?
parietoacanthial (modified Waters)
How much skull tilt and rotation are required for the oblique inferosuperior (tangential) projection for
zygomatic arches?
15°
We have an expert-written solution to this problem!
Which projection best demonstrates the floor of the orbits?
modified parietoacanthial projection
Why is the chin extended for an axiolateral oblique projection of the mandible?
to prevent superimposition upon the cervical spine.
The modified Law method for TMJs requires a ____ rotation of the skull and a ____ angle of the CR.
15° and 15°
The submentovertex projection requires that the inferior OML (IOML) is placed parallel to the image
receptor. T/F
