Question 1

The part of the sphenoid bone identified in the figure below is the:

Accepted Answer

A)   clivus.
B)   clinoid processes.
C)   sella turcica.
D)   dorsum sellae.E) A) and B)
F) None of the above

Question 2

The OML forms an angle of how many degrees from the plane of the image receptor for an open-mouth parietoacanthial (Waters method) projection?

Accepted Answer

A)   25 degrees
B)   37 degrees
C)   45 degrees
D)   35 to 40 degreesE) B) and C)
F) A) and D)

Question 3

What is the central-ray angulation for the AP axial projection of the TMJ?

Accepted Answer

A)   25 degrees caudad
B)   25 degrees cephalad
C)   35 degrees caudad
D)   35 degrees cephaladE) A) and D)
F) B) and C)

Question 4

What is the average central-ray angulation for the PA axial (Haas) projection of the skull?

Accepted Answer

A)   25 degrees caudad
B)   25 degrees cephalad
C)   30 degrees caudad
D)   30 degrees cephaladE) B) and C)
F) All of the above B

Question 5

For a lateral projection of the facial bones,the image receptor is centered to the:

Accepted Answer

A)   glabella.
B)   nasion.
C)   acanthion.
D)   zygomatic bone.E) A) and B)
F) A) and C) D

Question 6

The topographic line identified in the figure below is the:

Accepted Answer

A)   orbitomeatal.
B)   mentomeatal.
C)   acanthiomeatal.
D)   infraorbitomeatal.E) C) and D)
F) B) and C)

Question 7

The petromastoid portion is a part of which bone?

Accepted Answer

A)   Temporal
B)   Sphenoid
C)   Occipital
D)   EthmoidE) A) and C)
F) B) and C)

Question 8

Which of the following reference lines is placed perpendicular to the image receptor for a parietoacanthial (Waters method) projection?

Accepted Answer

A)   MML
B)   OML
C)   AML
D)   IOMLE) A) and D)
F) C) and D)

Question 9

Which bone in the skull contains the auditory organs and the organs of hearing?

Accepted Answer

A)   Temporal
B)   Sphenoid
C)   Occipital
D)   EthmoidE) A) and B)
F) B) and C)

Question 10

For the tangential projection of the zygomatic arch,the top of the head is tilted how many degrees?

Accepted Answer

A)   10 degrees away from the side examined
B)   15 degrees away from the side examined
C)   10 degrees toward the side examined
D)   15 degrees toward the side examinedE) A) and B)
F) A) and C)

Question 11

Which two parts of the patient's face touch the table for a PA axial projection (Caldwell method) ? (Select all that apply.)

Accepted Answer

A)   Nose
B)   Acanthion
C)   Chin
D)   ForeheadE) None of the above
F) A) and B)

Question 12

All of the following are cranial bones except the:

Accepted Answer

A)   maxillae.
B)   frontal.
C)   sphenoid.
D)   occipital.E) A) and B)
F) None of the above

Question 13

How many bones make up the cranium?

Accepted Answer

A)   4
B)   6
C)   8
D)   10E) None of the above
F) A) and D)

Question 14

Which method of examining the skull is identified in the figure below?

Accepted Answer

A)   Haas
B)   Towne
C)   Shüller
D)   CaldwellE) A) and C)
F) All of the above

Question 15

Which part of the patient's face is touching the upright bucky,or table,for a parietoacanthial projection (Waters method) ?

Accepted Answer

A)   Forehead
B)   Nose
C)   Chin
D)   Nose and chinE) All of the above
F) B) and C)

Question 16

What projection (method) is demonstrated in the image below,used to evaluate the cranium?

Accepted Answer

A)   PA
B)   AP axial (Towne) 
C)   PA axial (Caldwell) 
D)   SMV (Schüller) E) C) and D)
F) A) and D)

Question 17

The bone identified in the figure below is the:

Accepted Answer

A)   maxilla.
B)   frontal.
C)   mandible.
D)   ethmoid.E) A) and B)
F) A) and C)

Question 18

The figure below demonstrates the _____ method.

Accepted Answer

A)   Haas
B)   Stenvers
C)   Waters
D)   reverse WatersE) A) and B)
F) C) and D) C

Question 19

Letter A in the image below,used to evaluate the cranium,labels the:

Accepted Answer

A)   dorsum sella.
B)   foramen magnum.
C)   petrous ridge.
D)   parietal bone.E) A) and B)
F) All of the above

Question 20

What is the central-ray angulation for the AP axial projection of the zygomatic arches if OML is used as the positioning baseline?

Accepted Answer

A)   10 degrees caudad
B)   15 degrees caudad
C)   30 degrees caudad
D)   35 degrees caudadE) A) and C)
F) A) and B)

Exam 11: Cranium

The part of the sphenoid bone identified in the figure below is the:

Correct AnswerverifiedShow Answer

The OML forms an angle of how many degrees from the plane of the image receptor for an open-mouth parietoacanthial (Waters method) projection?

Correct AnswerverifiedShow Answer

What is the central-ray angulation for the AP axial projection of the TMJ?

Correct AnswerverifiedShow Answer

What is the average central-ray angulation for the PA axial (Haas) projection of the skull?

Correct AnswerverifiedB

For a lateral projection of the facial bones,the image receptor is centered to the:

Correct AnswerverifiedD

The topographic line identified in the figure below is the:

Correct AnswerverifiedShow Answer

The petromastoid portion is a part of which bone?

Correct AnswerverifiedShow Answer

Which of the following reference lines is placed perpendicular to the image receptor for a parietoacanthial (Waters method) projection?

Correct AnswerverifiedShow Answer

Which bone in the skull contains the auditory organs and the organs of hearing?

Correct AnswerverifiedShow Answer

For the tangential projection of the zygomatic arch,the top of the head is tilted how many degrees?

Correct AnswerverifiedShow Answer

Which two parts of the patient's face touch the table for a PA axial projection (Caldwell method) ? (Select all that apply.)

Correct AnswerverifiedShow Answer

All of the following are cranial bones except the:

Correct AnswerverifiedShow Answer

How many bones make up the cranium?

Correct AnswerverifiedShow Answer

Which method of examining the skull is identified in the figure below?

Correct AnswerverifiedShow Answer

Which part of the patient's face is touching the upright bucky,or table,for a parietoacanthial projection (Waters method) ?

Correct AnswerverifiedShow Answer

What projection (method) is demonstrated in the image below,used to evaluate the cranium?

Correct AnswerverifiedShow Answer

The bone identified in the figure below is the:

Correct AnswerverifiedShow Answer

The figure below demonstrates the _____ method.

Correct AnswerverifiedC

Letter A in the image below,used to evaluate the cranium,labels the:

Correct AnswerverifiedShow Answer

What is the central-ray angulation for the AP axial projection of the zygomatic arches if OML is used as the positioning baseline?

Correct AnswerverifiedShow Answer

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C

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