ARRT PROCEDURES-Skull

Question 1

Which projection demonstrates all of the paranasal sinuses?

Answer 1

Lateral

Question 2

The petrous pyramid is a portion of which bone?

Answer 2

Temporal bone

Question 3

What is the name of the articulation between the frontal bone and the parietal bones?

Answer 3

Coronal suture

Question 4

When taking a PA axial projection (Caldwell method) of the skull, the central ray is directed:

Answer 4

15 degrees caudad

Question 5

Which facial bones are demonstrated on the PA axial projection (Caldwell method)?

Answer 5

Orbits and zygoma

Question 6

What is the name of the articulation between the parietal bones?

Answer 6

Sagittal suture

Question 7

Where is the squamosal suture?

Answer 7

Between the parietal bones and the temporal bones

Question 8

Which positioning landmark is located at the junction of the nose and the upper lip?

Answer 8

Acanthion

Question 9

A blow-out fracture involves the:

Answer 9

floor of the orbit

Question 10

What term is used to identify the angle of the mandible?

Answer 10

Gonion

Question 11

Which facial bone(s) is (are) most frequently fractured?

Answer 11

Nasal bones

Question 12

Which projection of the cranium demonstrates the petrous ridges within the orbits?

Answer 12

PA

Question 13

Which facial bone forms the inferior part of the nasal septum?

Answer 13

Vomer

Question 14

Which facial bones help to form the hard palate of the mouth?

Answer 14

Palatine

Question 15

Air-filled cavities located in some bones of the face and cranium are called:

Answer 15

paranasal sinuses

Question 16

Which structure houses the pituitary gland?

Answer 16

Sella turcica

Question 17

What is the name of the articulation between the mandible and the cranium?

Answer 17

Temporomandibular joint

Question 18

What is the purpose of performing sinus radiography with the patient in the upright position?

Answer 18

To demonstrate air-fluid levels

Question 19

How many bones comprise the skull?

Answer 19

22