Question 1

The topographic line shown in the figure below is the _____ line.

Accepted Answer

A)  glabellomeatal 
B)  orbitomeatal 
C)  acanthiomeatal 
D)  infraorbitomeatal 
A)  glabellomeatal 
B)  orbitomeatal 
C)  acanthiomeatal 
D)  infraorbitomeatal

Question 2

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) 
A)  PA axial (Caldwell) 
B)  AP axial (Towne) 
C)  PA axial (Haas) 
D)  SMV (Shüller)

Question 3

Which sinus is projected through the mouth on the open-mouth modification of the Waters method?

Accepted Answer

A)  Frontal 
B)  Ethmoidal 
C)  Sphenoidal 
D)  Maxillary 
A)  Frontal 
B)  Ethmoidal 
C)  Sphenoidal 
D)  Maxillary

Question 4

Which of the following projections will best demonstrate the maxillary sinuses?
1)Parietoacanthial (Waters)
2)PA axial (Caldwell)
3)Submentovertical

Accepted Answer

A)  1 only 
B)  2 only 
C)  3 only 
D)  1, 2, and 3 
A)  1 only 
B)  2 only 
C)  3 only 
D)  1, 2, and 3

Question 5

The sinus identified in the figure below is the:

Accepted Answer

A)  frontal. 
B)  maxillary. 
C)  ethmoidal. 
D)  sphenoidal. 
A)  frontal. 
B)  maxillary. 
C)  ethmoidal. 
D)  sphenoidal.

Question 6

What bone is labeled as letter A in the diagram below of the orbit?

Accepted Answer

A)  Frontal 
B)  Zygoma 
C)  Maxilla 
D)  Sphenoid 
A)  Frontal 
B)  Zygoma 
C)  Maxilla 
D)  Sphenoid

Question 7

The sinus identified in the figure below is the:

Accepted Answer

A)  frontal. 
B)  maxillary. 
C)  ethmoidal. 
D)  sphenoidal. 
A)  frontal. 
B)  maxillary. 
C)  ethmoidal. 
D)  sphenoidal.

Question 8

The base of the temporal bone contains an opening through which the internal carotid artery passes and is termed the:

Accepted Answer

A)  foramen spinosum. 
B)  foramen ovale. 
C)  foramen lacerum. 
D)  jugular foramen. 
A)  foramen spinosum. 
B)  foramen ovale. 
C)  foramen lacerum. 
D)  jugular foramen.

Question 9

What is the central-ray angulation for demonstration of the entire foramen magnum during an AP axial (Towne) projection?

Accepted Answer

A)  37 degrees caudad 
B)  40 degrees caudad 
C)  60 degrees caudad 
D)  40 to 60 degrees caudad 
A)  37 degrees caudad 
B)  40 degrees caudad 
C)  60 degrees caudad 
D)  40 to 60 degrees caudad

Question 10

The axiolateral oblique projection is used to demonstrate the mandible. How is the head positioned to demonstrate the body of the mandible?

Accepted Answer

A)  True lateral 
B)  15 degrees toward the IR 
C)  30 degrees toward the IR 
D)  45 degrees toward the IR 
A)  True lateral 
B)  15 degrees toward the IR 
C)  30 degrees toward the IR 
D)  45 degrees toward the IR

Question 11

The central-ray angulation for the reverse Waters method is:

Accepted Answer

A)  0 degrees. 
B)  15 degrees. 
C)  30 degrees to the acanthiomeatal line. 
D)  37 degrees to the acanthiomeatal line. 
A)  0 degrees. 
B)  15 degrees. 
C)  30 degrees to the acanthiomeatal line. 
D)  37 degrees to the acanthiomeatal line.

Question 12

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

Accepted Answer

A)  ethmoid 
B)  sphenoid 
C)  maxillary 
D)  frontal 
A)  ethmoid 
B)  sphenoid 
C)  maxillary 
D)  frontal

Question 13

Which reference line is positioned perpendicular to the angled image receptor for the PA axial (Caldwell method) projection of the sinuses?

Accepted Answer

A)  AML 
B)  OML 
C)  MML 
D)  IOML 
A)  AML 
B)  OML 
C)  MML 
D)  IOML

Question 14

Which of the following is centered to the image receptor for the PA projection of the mandibular rami?

Accepted Answer

A)  Nasion 
B)  Glabella 
C)  Mental point 
D)  Tip of the nose 
A)  Nasion 
B)  Glabella 
C)  Mental point 
D)  Tip of the nose

Question 15

Patients who are having an examination of the paranasal sinuses should always be examined in the upright position to:
1)demonstrate the presence or absence of fluid.
2)differentiate between fluid and other pathological conditions.
3)make it easier for the radiographer to position the patient.

Accepted Answer

A)  1 and 2 
B)  1 and 3 
C)  2 and 3 
D)  1, 2, and 3 
A)  1 and 2 
B)  1 and 3 
C)  2 and 3 
D)  1, 2, and 3

Question 16

The central ray forms an angle of how many degrees with the OML for the PA axial (Caldwell) projection of the sinuses?

Accepted Answer

A)  5 degrees 
B)  12 degrees 
C)  15 degrees 
D)  20 degrees 
A)  5 degrees 
B)  12 degrees 
C)  15 degrees 
D)  20 degrees

Question 17

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

Accepted Answer

A)  ethmoid 
B)  sphenoid 
C)  maxillary 
D)  frontal 
A)  ethmoid 
B)  sphenoid 
C)  maxillary 
D)  frontal

Question 18

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

Accepted Answer

A)  Temporal 
B)  Sphenoid 
C)  Occipital 
D)  Ethmoid 
A)  Temporal 
B)  Sphenoid 
C)  Occipital 
D)  Ethmoid

Question 19

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

Accepted Answer

A)  Haas 
B)  Towne 
C)  Shüller 
D)  Caldwell 
A)  Haas 
B)  Towne 
C)  Shüller 
D)  Caldwell

Question 20

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

Accepted Answer

A)  clivus. 
B)  foramen magnum. 
C)  sella turcica. 
D)  dorsum sellae. 
A)  clivus. 
B)  foramen magnum. 
C)  sella turcica. 
D)  dorsum sellae.

Exam 20: Skull, Facial Bones, and Paranasal Sinuses

The topographic line shown in the figure below is the _____ line.

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

Which sinus is projected through the mouth on the open-mouth modification of the Waters method?

Which of the following projections will best demonstrate the maxillary sinuses? 1)Parietoacanthial (Waters) 2)PA axial (Caldwell) 3)Submentovertical

The sinus identified in the figure below is the:

What bone is labeled as letter A in the diagram below of the orbit?

The sinus identified in the figure below is the:

The base of the temporal bone contains an opening through which the internal carotid artery passes and is termed the:

What is the central-ray angulation for demonstration of the entire foramen magnum during an AP axial (Towne) projection?

The axiolateral oblique projection is used to demonstrate the mandible. How is the head positioned to demonstrate the body of the mandible?

The central-ray angulation for the reverse Waters method is:

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

Which reference line is positioned perpendicular to the angled image receptor for the PA axial (Caldwell method) projection of the sinuses?

Which of the following is centered to the image receptor for the PA projection of the mandibular rami?

Patients who are having an examination of the paranasal sinuses should always be examined in the upright position to: 1)demonstrate the presence or absence of fluid. 2)differentiate between fluid and other pathological conditions. 3)make it easier for the radiographer to position the patient.

The central ray forms an angle of how many degrees with the OML for the PA axial (Caldwell) projection of the sinuses?

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

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

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

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

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