Question 1

Which of the following is perpendicular to the image receptor plane for a Caldwell projection of the skull?

Accepted Answer

A)   Glabellomeatal line
B)   Acanthiomeatal line
C)   Orbitomeatal line
D)   Mentomeatal lineE) A) and B)
F) C) and D)

Question 2

The base of the anterior portion of the occipital bone contains two large openings that allow blood vessels and nerves to pass through.These two openings are called the:

Accepted Answer

A)   jugular foramina.
B)   foramen magnum.
C)   foramen ovale.
D)   hypoglossal canal.E) B) and D)
F) All of the above

Question 3

At which level should the central ray enter the base of the skull for the SMV projection of the sinuses?

Accepted Answer

A)   inch posterior to the level of the EAM
B)   inch anterior to the level of the EAM
C)   inch below the mental protuberance
D)   1 inch below the mental protuberanceE) None of the above
F) A) and B)

Question 4

Where does the central ray enter the patient for the AP axial projection of the zygomatic arches?

Accepted Answer

A)   EAM
B)   Acanthion
C)   1 inch above the nasion
D)   Mandibular anglesE) B) and D)
F) C) and D)

Question 5

The letter C in the image below of the paranasal sinuses labels the:

Accepted Answer

A)   ethmoid sinuses.
B)   sphenoid sinuses.
C)   maxillary sinuses.
D)   petrous ridge.E) A) and D)
F) B) and D)

Question 6

All of these projections will demonstrate the ethmoidal sinuses,except:

Accepted Answer

A)   SMV.
B)   PA axail (Caldwell) .
C)   parietoacanthial (Waters) .
D)   lateral.E) A) and C)
F) A) and B)

Question 7

Which two methods will clearly demonstrate the petrous ridges,foramen magnum,dorsum sellae,and posterior clinoid processes? (Select all that apply.)

Accepted Answer

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

Question 8

The letter D in the image below of the paranasal sinuses labels the:

Accepted Answer

A)   crista galli.
B)   vomer.
C)   perpendicular plate of the ethmoid bone.
D)   cribriform plate.E) All of the above
F) A) and B)

Question 9

Trauma patients may arrive in the radiology department with their head immobilized.A reverse Waters method can always be performed on these patients by adjusting the central ray parallel to the _____ line.

Accepted Answer

A)   mentomeatal
B)   orbitomeatal
C)   infraorbitomeatal
D)   acanthiomeatalE) A) and B)
F) C) and D)

Question 10

The letter E in the image below of the paranasal sinuses labels the _____ sinuses.

Accepted Answer

A)   ethmoid
B)   sphenoid
C)   maxillary
D)   frontalE) A) and C)
F) B) and D)

Question 11

Which method of examining the skull will demonstrate the petrous ridges in the orbits,the ethmoid and frontal sinuses,and the crista galli?

Accepted Answer

A)   Towne
B)   Caldwell
C)   Schüller
D)   WatersE) All of the above
F) C) and D)

Question 12

Which of the following lines is placed parallel with the transverse axis of the IR for the axiolateral oblique projection of the TMJ?

Accepted Answer

A)   Orbitomeatal line
B)   Mentomeatal line
C)   Glabellomeatal line
D)   Acanthiomeatal lineE) C) and D)
F) A) and C)

Question 13

Letter G in the diagram below of the orbit labels the:

Accepted Answer

A)   frontal.
B)   palatine.
C)   maxilla.
D)   lacrimal.E) B) and C)
F) C) and D)

Question 14

Which two of the following foramina lie in the sphenoid bone? (Select all that apply.)

Accepted Answer

A)   Jugular foramen
B)   Foramen rotundum
C)   Foramen lacerum
D)   Optic foramenE) None of the above
F) C) and D)

Question 15

For the Waters method for the facial bones,the orbitomeatal line is placed at what angle to the IR?

Accepted Answer

A)   30 degrees
B)   35 degrees
C)   37 degrees
D)   55 degreesE) A) and B)
F) A) and C)

Question 16

What is the projection (method) demonstrated in the image below used to evaluate trauma to the orbit?

Accepted Answer

A)   Parietoacanthial (Waters) 
B)   PA axial (Caldwell) 
C)   AP axial (Towne) 
D)   PA axial (Haas) E) None of the above
F) All of the above

Question 17

The largest sinus is the:

Accepted Answer

A)   frontal.
B)   maxillary.
C)   ethmoidal.
D)   sphenoidal.E) B) and C)
F) C) and D)

Question 18

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

Accepted Answer

A)   PA axial (Caldwell) 
B)   AP axial (Towne) 
C)   PA axial (Haas) 
D)   SMV (Shüller) E) All of the above
F) C) and D)

Question 19

The letter F in the image below of the paranasal sinuses labels the:

Accepted Answer

A)   ethmoid sinuses.
B)   sphenoid sinuses.
C)   maxillary sinuses.
D)   pharynx.E) A) and B)
F) A) and C)

Question 20

The letter B in the image below of the paranasal sinuses labels the _____ sinuses.

Accepted Answer

A)   frontal
B)   ethmoid
C)   sphenoid
D)   maxillaryE) All of the above
F) None of the above

Exam 11: Cranium

Trauma patients may arrive in the radiology department with their head immobilized.A reverse Waters method can always be performed on these patients by adjusting the central ray parallel to the _____ line.

Correct AnswerverifiedShow Answer

All of these projections will demonstrate the ethmoidal sinuses,except:

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The letter D in the image below of the paranasal sinuses labels the:

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Which of the following is perpendicular to the image receptor plane for a Caldwell projection of the skull?

Correct AnswerverifiedShow Answer

What is the projection (method) demonstrated in the image below used to evaluate trauma to the orbit?

Correct AnswerverifiedShow Answer

For the Waters method for the facial bones,the orbitomeatal line is placed at what angle to the IR?

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Which of the following lines is placed parallel with the transverse axis of the IR for the axiolateral oblique projection of the TMJ?

Correct AnswerverifiedShow Answer

Which two methods will clearly demonstrate the petrous ridges,foramen magnum,dorsum sellae,and posterior clinoid processes? (Select all that apply.)

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The largest sinus is the:

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

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Letter G in the diagram below of the orbit labels the:

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Where does the central ray enter the patient for the AP axial projection of the zygomatic arches?

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Which two of the following foramina lie in the sphenoid bone? (Select all that apply.)

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At which level should the central ray enter the base of the skull for the SMV projection of the sinuses?

Correct AnswerverifiedShow Answer

The base of the anterior portion of the occipital bone contains two large openings that allow blood vessels and nerves to pass through.These two openings are called the:

Correct AnswerverifiedShow Answer

Which method of examining the skull will demonstrate the petrous ridges in the orbits,the ethmoid and frontal sinuses,and the crista galli?

Correct AnswerverifiedShow Answer

The letter E in the image below of the paranasal sinuses labels the _____ sinuses.

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The letter F in the image below of the paranasal sinuses labels the:

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The letter B in the image below of the paranasal sinuses labels the _____ sinuses.

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The letter C in the image below of the paranasal sinuses labels the:

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