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LRA 225 Week 2 quiz Questions with
Quality Answers A Grade
Which three cranial bones articulate directly with the zygomatic bone?
Frontal, sphenoid, temporal
The point of union between both halves of the mandible is termed?
symphysis menti
True or False: The TMJ is classified as a synovial (diathrodial) and has a bicondylar plane (gliding)
movement type.
True
What is the largest immovable bone of the face?
maxilla
The ____ is derived from the word "tear" and is about the size and shape of a fingernail.
Lacrimal
Part 9 is part of which bone?
maxilla
How many bones make up the facial bone region?
14 bones
Which cranial bone possesses the zygomatic process?
temporal
Which two bones form the nasal septum?
ethmoid and vomer
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Which of the following terms describes the junction of the two nasal bones?
nasion
The ____ is the largest and only moveable bone in the adult skull?
Mandible
The upper and lower teeth are embedded in the:
alveolar processes
Label the diagram
A-Cronoid Process
B-Mandibular Notch
C- Condyloid Process
D-Condyle (Head)
E-Neck
F- Ramus
Part 2 is part of which bone?
Lacrimal
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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
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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
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LRA 225 Week 2 quiz Questions with
Quality Answers A Grade
Which three cranial bones articulate directly with the zygomatic bone?
Frontal, sphenoid, temporal
The point of union between both halves of the mandible is termed?
symphysis menti
True or False: The TMJ is classified as a synovial (diathrodial) and has a bicondylar plane (gliding)
movement type.
True
What is the largest immovable bone of the face?
maxilla
The ____ is derived from the word "tear" and is about the size and shape of a fingernail.
Lacrimal
Part 9 is part of which bone?
maxilla
How many bones make up the facial bone region?
14 bones
Which cranial bone possesses the zygomatic process?
temporal
Which two bones form the nasal septum?
ethmoid and vomer
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Which of the following terms describes the junction of the two nasal bones?
nasion
The ____ is the largest and only moveable bone in the adult skull?
Mandible
The upper and lower teeth are embedded in the:
alveolar processes
Label the diagram
A-Cronoid Process
B-Mandibular Notch
C- Condyloid Process
D-Condyle (Head)
E-Neck
F- Ramus
Part 2 is part of which bone?
Lacrimal
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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
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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
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