Question 1

MATCHING
Select the imaging modality that would best demonstrate the following pathologies.
-Craniosynostosis (premature suture closing in neonate skull)

Accepted Answer

A)  Nuclear medicine
B)  MRI
C)  CT
D)  Ultrasound
E)  Conventional radiographyF) D) and E)
G) A) and E)

Question 2

Lesions of decreased density are termed osteoblastic lesions.

Accepted Answer

A) True 
 B)False

Question 3

A radiograph of a posteroanterior (PA) axial projection (Caldwell method) of the cranium reveals that the petrous ridges are located at the level of the lower one third of the orbits.The technologist performed this projection with the CR angled 15° caudal to the orbitomeatal line (OML) .How must positioning be altered if a repeat exposure is performed?

Accepted Answer

A)   Increase the extension of the skull.
B)   Increase the flexion of the skull.
C)   Increase the CR angulation.
D)   None of the above; positioning was correct.E) A) and B)
F) A) and C)

Question 4

What can the technologist do if the patient cannot extend the head and neck adequately for the routine submentovertex projection of the zygomatic arches?

Accepted Answer

A)   Perform the Haas method.
B)   Use a short SID to magnify the arches.
C)   Angle the CR to place it perpendicular to the IOML.
D)   Rotate the skull 15° away from the affected side.E) A) and B)
F) None of the above

Question 5

The lateral projection for the nasal bones is generally a unilateral projection.(Both right and left lateral projections are usually not required.)

Accepted Answer

A) True 
 B)False

Question 6

The modified parietoacanthial (modified Waters)projection requires more extension of the head and neck as compared with the parietoacanthial (Waters)projection.

Accepted Answer

A) True 
 B)False

Question 7

The modified Law method for TMJs requires a ____ rotation of the skull and a ____ angle of the CR.

Accepted Answer

A)   15°; 15°
B)   10°; 15°
C)   5°; 0°
D)   0°; 25° to 30°E) B) and D)
F) A) and B)

Question 8

Which projection will best demonstrate the entire mandible with one exposure?

Accepted Answer

A)   AP axial
B)   Submentovertex
C)   Axiolateral
D)   TomographyE) None of the above
F) C) and D)

Question 9

A radiograph of a submentovertex projection of the cranium reveals that the mandibular condyles are projected into the petrous pyramids.What must be altered during the repeat exposure to produce a more diagnostic radiograph?

Accepted Answer

A)   Increase the extension of the skull.
B)   Increase the flexion of the skull.
C)   Decrease the CR angulation.
D)   None of the above; it is an acceptable image.E) A) and B)
F) A) and C)

Question 10

The widest portion of the cranium is found at the level of the:

Accepted Answer

A)   parietal tubercles.
B)   right and left pterion.
C)   squamous portion of the temporal bone.
D)   external acoustic meatus (EAM) .E) B) and D)
F) B) and C)

Question 11

Which of the following bones is part of the floor of the cranium?

Accepted Answer

A)   Temporal
B)   Occipital
C)   Frontal
D)   ParietalE) C) and D)
F) B) and C)

Question 12

A radiograph of a submentovertex projection reveals that the mandible is superimposed over the ethmoid and sphenoid sinuses.Which of the following modifications will eliminate this problem?

Accepted Answer

A)   Perform the projection with the patient supine.
B)   Perform the axiolateral oblique instead of the submentovertex projection.
C)   Increase the flexion of the head and neck.
D)   Increase the extension of the head and neck.E) A) and C)
F) A) and B)

Question 13

A patient comes to radiology with a history of a possible erosion of the superior orbital fissures.Which of the following projections would best demonstrate this structure?

Accepted Answer

A)   PA axial with a 15° caudal angle to OML
B)   Submentovertex
C)   PA axial with a 25° to 30° caudal angle to OML
D)   AP axial with a 37° caudal angle to OMLE) A) and C)
F) C) and D)

Question 14

The aditus is defined as a(n) :

Accepted Answer

A)   large chamber containing the mastoid air cells.
B)   thin plate of bone separating the mastoid air cells from the brain.
C)   passageway for the auditory nerve.
D)   opening between the epitympanic recess and the mastoid air cells.E) A) and C)
F) A) and D)

Question 15

Which sinus often produces an air/fluid level indicating a basilar skull fracture?

Accepted Answer

A)   Ethmoid
B)   Maxillary
C)   Sphenoid
D)   FrontalE) C) and D)
F) None of the above

Question 16

Which of the following projections will best demonstrate the bony nasal septum?

Accepted Answer

A)   Parietoacanthial
B)   Lateral nasal bone
C)   AP axial projection
D)   Lateral facial boneE) A) and B)
F) None of the above

Question 17

The oval window is labeled:

Accepted Answer

A)   vi.
B)   ix.
C)   vii.
D)   i.
E)   v.F) A) and E)
G) A) and B)

Question 18

A patient enters the ED with facial bone injuries.The physician is concerned about a possible blow-out fracture of the left orbit.Which of the following three-projection routines would best diagnose this injury?

Accepted Answer

A)   Parietoacanthial, lateral facial bone, and 15° PA Caldwell facial bone projections
B)   Parietoacanthial, lateral facial bone, and submentovertex projections
C)   Modified parietoacanthial, superoinferior (tangential) , and lateral facial bone projections
D)   Modified parietoacanthial, 30° PA facial bone, and lateral facial bone projectionsE) A) and D)
F) A) and C)

Question 19

Part 3 is part of which bone?

Accepted Answer

A)   Palatine
B)   Sphenoid
C)   Lacrimal
D)   EthmoidE) B) and C)
F) A) and B)

Question 20

Where should the optic foramen be located with a well-positioned parieto-orbital oblique projection of the optic foramina?

Accepted Answer

A)   Inner, lower quadrant of orbit
B)   Center of orbit
C)   Outer, lower quadrant of orbit
D)   Inner, upper quadrant of orbitE) All of the above
F) A) and B)

Exam 11: Cranium, Facial Bones, and Paranasal Sinuses

The aditus is defined as a(n) :

Correct Answer
verified

The oval window is labeled:

Correct Answer
verified

Where should the optic foramen be located with a well-positioned parieto-orbital oblique projection of the optic foramina?

Correct Answer
verified

The widest portion of the cranium is found at the level of the:

Correct Answer
verified

Which of the following projections will best demonstrate the bony nasal septum?

Correct Answer
verified

The lateral projection for the nasal bones is generally a unilateral projection.(Both right and left lateral projections are usually not required.)

Correct Answer
verified

Which projection will best demonstrate the entire mandible with one exposure?

Correct Answer
verified

Which of the following bones is part of the floor of the cranium?

Correct Answer
verified

A radiograph of a submentovertex projection of the cranium reveals that the mandibular condyles are projected into the petrous pyramids.What must be altered during the repeat exposure to produce a more diagnostic radiograph?

Correct Answer
verified

A radiograph of a submentovertex projection reveals that the mandible is superimposed over the ethmoid and sphenoid sinuses.Which of the following modifications will eliminate this problem?

Correct Answer
verified

Lesions of decreased density are termed osteoblastic lesions.

Correct Answer
verified

Correct Answer
verified

Which sinus often produces an air/fluid level indicating a basilar skull fracture?

Correct Answer
verified

A patient enters the ED with facial bone injuries.The physician is concerned about a possible blow-out fracture of the left orbit.Which of the following three-projection routines would best diagnose this injury?

Correct Answer
verified

Part 3 is part of which bone?

Correct Answer
verified

The modified Law method for TMJs requires a rotation of the skull and a angle of the CR.

Correct Answer
verified

The modified parietoacanthial (modified Waters)projection requires more extension of the head and neck as compared with the parietoacanthial (Waters)projection.

Correct Answer
verified

MATCHING Select the imaging modality that would best demonstrate the following pathologies. -Craniosynostosis (premature suture closing in neonate skull)

Correct Answer
verified

What can the technologist do if the patient cannot extend the head and neck adequately for the routine submentovertex projection of the zygomatic arches?

Correct Answer
verified

A patient comes to radiology with a history of a possible erosion of the superior orbital fissures.Which of the following projections would best demonstrate this structure?

Correct Answer
verified

Exam 11: Cranium, Facial Bones, and Paranasal Sinuses

The aditus is defined as a(n) :

Correct AnswerverifiedShow Answer

The oval window is labeled:

Correct AnswerverifiedShow Answer

Where should the optic foramen be located with a well-positioned parieto-orbital oblique projection of the optic foramina?

Correct AnswerverifiedShow Answer

The widest portion of the cranium is found at the level of the:

Correct AnswerverifiedShow Answer

Which of the following projections will best demonstrate the bony nasal septum?

Correct AnswerverifiedShow Answer

The lateral projection for the nasal bones is generally a unilateral projection.(Both right and left lateral projections are usually not required.)

Correct AnswerverifiedShow Answer

Which projection will best demonstrate the entire mandible with one exposure?

Correct AnswerverifiedShow Answer

Which of the following bones is part of the floor of the cranium?

Correct AnswerverifiedShow Answer

A radiograph of a submentovertex projection of the cranium reveals that the mandibular condyles are projected into the petrous pyramids.What must be altered during the repeat exposure to produce a more diagnostic radiograph?

Correct AnswerverifiedShow Answer

A radiograph of a submentovertex projection reveals that the mandible is superimposed over the ethmoid and sphenoid sinuses.Which of the following modifications will eliminate this problem?

Correct AnswerverifiedShow Answer

Lesions of decreased density are termed osteoblastic lesions.

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Which sinus often produces an air/fluid level indicating a basilar skull fracture?

Correct AnswerverifiedShow Answer

A patient enters the ED with facial bone injuries.The physician is concerned about a possible blow-out fracture of the left orbit.Which of the following three-projection routines would best diagnose this injury?

Correct AnswerverifiedShow Answer

Part 3 is part of which bone?

Correct AnswerverifiedShow Answer

The modified Law method for TMJs requires a ____ rotation of the skull and a ____ angle of the CR.

Correct AnswerverifiedShow Answer

The modified parietoacanthial (modified Waters)projection requires more extension of the head and neck as compared with the parietoacanthial (Waters)projection.

Correct AnswerverifiedShow Answer

MATCHING Select the imaging modality that would best demonstrate the following pathologies. -Craniosynostosis (premature suture closing in neonate skull)

Correct AnswerverifiedShow Answer

What can the technologist do if the patient cannot extend the head and neck adequately for the routine submentovertex projection of the zygomatic arches?

Correct AnswerverifiedShow Answer

A patient comes to radiology with a history of a possible erosion of the superior orbital fissures.Which of the following projections would best demonstrate this structure?

Correct AnswerverifiedShow Answer

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
verified

Correct Answer
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Correct Answer
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Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

The modified Law method for TMJs requires a rotation of the skull and a angle of the CR.

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified