Question 1

Optic foramen studies are routinely taken as bilateral projections.

Accepted Answer

A) True 
 B)False

Question 2

The upper and lower teeth are embedded in the:

Accepted Answer

A)  symphysis menti.
B)  condyloid processes.
C)  palatine processes.
D)  alveolar processes.E) B) and C)
F) B) and D)

Question 3

Which group of sinuses is shaded (screened)  in the frontal and lateral views of the illustration below?

Accepted Answer

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

Question 4

Which bone is involved with a tripod fracture?

Accepted Answer

A)  Maxilla
B)  Ethmoid
C)  Temporal
D)  ZygomaticE) All of the above
F) None of the above

Question 5

Which positioning line must be used with a 30° caudad angle for an AP axial projection of zygomatic arches?

Accepted Answer

A)  IOML
B)  AML
C)  OML
D)  GALE) B) and D)
F) B) and C)

Question 6

Which of the following structures are described as scroll-like projections found in the nasal cavity?

Accepted Answer

A)  Perpendicular plate
B)  Pterygoid processes
C)  Septal cartilage
D)  ConchaeE) B) and C)
F) A) and D)

Question 7

The part labeled 8 is part of which bone?

Accepted Answer

A)  Palatine
B)  Sphenoid
C)  Ethmoid
D)  ZygomaticE) A) and B)
F) A) and C)

Question 8

Which of the following terms describes the small irregular bones occasionally found in the sutures?

Accepted Answer

A)  Asterion
B)  Wormian
C)  Sesamoid
D)  SquamosalE) A) and C)
F) A) and B)

Question 9

A radiograph of an axiolateral oblique projection of the mandible reveals that the mandibular body is greatly foreshortened.Which of the following modifications is necessary to produce a more diagnostic image?

Accepted Answer

A)  Increase the rotation of skull toward the image receptor.
B)  Decrease the rotation of skull toward the image receptor.
C)  Decrease the CR angulation.
D)  Increase the CR angulation.E) None of the above
F) A) and B)

Question 10

What is the angle between the midsagittal plane and the IR for a parieto-orbital oblique projection of the optic foramen?

Accepted Answer

A)  45°
B)  12°
C)  30°
D)  53°E) B) and D)
F) A) and D)

Question 11

Which projection best demonstrates the floor of the orbits with minimal distortion?

Accepted Answer

A)  Parietoacanthial (Waters) 
B)  Modified parietoacanthial (modified Waters) 
C)  PA axial (Caldwell) 
D)  Lateral facial bonesE) A) and C)
F) A) and B)

Question 12

Part 9 is part of which bone?

Accepted Answer

A)  Zygomatic
B)  Maxilla
C)  Sphenoid
D)  EthmoidE) None of the above
F) A) and B)

Question 13

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)  Lower, outer quadrant of orbit
D)  Inner, upper quadrant of orbitE) None of the above
F) C) and D)

Question 14

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

Accepted Answer

A)  Ethmoid
B)  Maxillary
C)  Sphenoid
D)  FrontalE) A) and D)
F) B) and D)

Question 15

The submentovertical projection requires that the infraorbital meatal line (IOML) is placed parallel to the image receptor.

Accepted Answer

A) True 
 B)False

Question 16

Which of the following technical factors do NOT apply to lateral nasal bone projections?

Accepted Answer

A)  The technologist should not use automatic exposure control (AE
C)  .
B)  The technologist should use a small focal spot.
C)  The technologist should use low to medium kV.
D)  All of the above apply.E) B) and C)
F) A) and C)

Question 17

The pituitary gland (hypophysis cerebri)  is associated with and protected by the ____ bone.

Accepted Answer

A)  temporal
B)  ethmoid
C)  palatine
D)  sphenoidE) C) and D)
F) A) and B)

Question 18

Which plane or perspective is most often produced for a CT scan of the sinuses?

Accepted Answer

A)  Sagittal
B)  Transverse
C)  Coronal
D)  Axial obliqueE) B) and C)
F) C) and D)

Question 19

The mastoid air cells communicate with the:

Accepted Answer

A)  inner ear.
B)  middle ear.
C)  external ear.
D)  base of the brain.E) None of the above
F) B) and C)

Question 20

Match each radiographic appearance with the corresponding pathologic indication.(Use each selection only once.)

-Bone destruction with widened internal auditory canal

Accepted Answer

A)  Otosclerosis
B)  Acoustic neuroma
C)  Cholesteatoma
D)  MastoiditisE) B) and D)
F) None of the above

Exam 11: Cranium, Facial Bones, and Paranasal Sinuses

What is the angle between the midsagittal plane and the IR for a parieto-orbital oblique projection of the optic foramen?

Correct AnswerverifiedShow Answer

The part labeled 8 is part of which bone?

Correct AnswerverifiedShow Answer

Which of the following structures are described as scroll-like projections found in the nasal cavity?

Correct AnswerverifiedShow Answer

Match each radiographic appearance with the corresponding pathologic indication.(Use each selection only once.) -Bone destruction with widened internal auditory canal

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

Which projection best demonstrates the floor of the orbits with minimal distortion?

Correct AnswerverifiedShow Answer

Optic foramen studies are routinely taken as bilateral projections.

Correct AnswerverifiedShow Answer

Which of the following technical factors do NOT apply to lateral nasal bone projections?

Correct AnswerverifiedShow Answer

The pituitary gland (hypophysis cerebri) is associated with and protected by the ____ bone.

Correct AnswerverifiedShow Answer

Part 9 is part of which bone?

Correct AnswerverifiedShow Answer

A radiograph of an axiolateral oblique projection of the mandible reveals that the mandibular body is greatly foreshortened.Which of the following modifications is necessary to produce a more diagnostic image?

Correct AnswerverifiedShow Answer

The submentovertical projection requires that the infraorbital meatal line (IOML) is placed parallel to the image receptor.

Correct AnswerverifiedShow Answer

Which of the following terms describes the small irregular bones occasionally found in the sutures?

Correct AnswerverifiedShow Answer

Which positioning line must be used with a 30° caudad angle for an AP axial projection of zygomatic arches?

Correct AnswerverifiedShow Answer

Which group of sinuses is shaded (screened) in the frontal and lateral views of the illustration below?

Correct AnswerverifiedShow Answer

Which plane or perspective is most often produced for a CT scan of the sinuses?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which bone is involved with a tripod fracture?

Correct AnswerverifiedShow Answer

The upper and lower teeth are embedded in the:

Correct AnswerverifiedShow Answer

The mastoid air cells communicate with the:

Correct AnswerverifiedShow Answer

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