Question 1

The PA axial projection (Haas method)for the cranium requires a CR angle of 25° caudad.

Accepted Answer

A) True 
 B)False

Question 2

Which cranial bone contains the cribriform plate?

Accepted Answer

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

Question 3

Which one of the following technical considerations is most critical for demonstrating air and/or fluid levels within the cranium?

Accepted Answer

A)  Medium kV range 
B)  Detail image receptor (IR) 
C)  Short exposure time 
D)  Horizontal x-ray beam 
A)  Medium kV range 
B)  Detail image receptor (IR) 
C)  Short exposure time 
D)  Horizontal x-ray beam

Question 4

For a lateral facial bones projection,the chin should be adjusted so the IOML is perpendicular to the front edge of the IR.

Accepted Answer

A) True 
 B)False

Question 5

Which sinuses are best demonstrated with a parietoacanthial projection?

Accepted Answer

A)  Maxillary 
B)  Frontal and maxillary 
C)  Frontal, maxillary, and ethmoid 
D)  Sphenoid and maxillary 
A)  Maxillary 
B)  Frontal and maxillary 
C)  Frontal, maxillary, and ethmoid 
D)  Sphenoid and maxillary

Question 6

The sutural point or area labeled d is termed:
 
(Anatomic structures are labeled i through vi and sutures a through h.)

Accepted Answer

A)  bregma. 
B)  lambda. 
C)  asterion. 
D)  pterion. 
A)  bregma. 
B)  lambda. 
C)  asterion. 
D)  pterion.

Question 7

Match each of the following radiographic appearances with the corresponding pathologic indication.(Use each selection only once.)
-Destructive stage of bony areas demonstrated by areas of radiolucency followed by reparative stages of sclerotic (radiodense)regions resulting in a "cotton-wool" appearance

Accepted Answer

A) Multiple myeloma 
B) Paget's disease 
C) Metastases 
D) Pituitary adenoma 
A) Multiple myeloma 
B) Paget's disease 
C) Metastases 
D) Pituitary adenoma

Question 8

A radiograph of a PA Caldwell projection reveals that the petrous ridges are projected into the lower one third of the maxillary sinuses.Which of the following modifications should be made during the repeat exposure to produce a more diagnostic image?

Accepted Answer

A)  Increase the extension of the head and neck. 
B)  Decrease the extension of the head and neck. 
C)  Nothing; accept the initial radiograph. 
D)  Angle the CR 10° caudad. 
A)  Increase the extension of the head and neck. 
B)  Decrease the extension of the head and neck. 
C)  Nothing; accept the initial radiograph. 
D)  Angle the CR 10° caudad.

Question 9

Why is the chin extended for an axiolateral oblique projection of the mandible?

Accepted Answer

A)  To open up the TMJ 
B)  To profile the condylar process 
C)  To prevent superimposition upon the cervical spine 
D)  To better visualize the mentum 
A)  To open up the TMJ 
B)  To profile the condylar process 
C)  To prevent superimposition upon the cervical spine 
D)  To better visualize the mentum

Question 10

Which three cranial bones articulate directly with the zygomatic bone?

Accepted Answer

A)  Frontal, ethmoid, temporal 
B)  Frontal, sphenoid, temporal 
C)  Sphenoid, frontal, occipital 
D)  Ethmoid, parietal, frontal 
A)  Frontal, ethmoid, temporal 
B)  Frontal, sphenoid, temporal 
C)  Sphenoid, frontal, occipital 
D)  Ethmoid, parietal, frontal

Question 11

How many facial bones help make up the bony orbit?

Accepted Answer

A)  Three 
B)  Four 
C)  Five 
D)  Seven 
A)  Three 
B)  Four 
C)  Five 
D)  Seven

Question 12

Which cranial suture is labeled g?
 
(Anatomic structures are labeled i through vi and sutures a through h.)

Accepted Answer

A)  Coronal 
B)  Squamosal 
C)  Lambdoidal 
D)  Sagittal 
A)  Coronal 
B)  Squamosal 
C)  Lambdoidal 
D)  Sagittal

Question 13

A radiograph of a lateral cranium reveals that the mentum was cut off from the bottom of the radiograph.A 24 *30-cm (10 *12-inch)IR was used,and it was placed crosswise.What must be altered if a repeat exposure is performed?

Accepted Answer

A)  Center the CR at the EAM. 
B)  Increase SID to reduce magnification. 
C)  Place the 24 *30-cm (10 *12-inch) IR lengthwise. 
D)  None of the above; all of the structures were demonstrated. 
A)  Center the CR at the EAM. 
B)  Increase SID to reduce magnification. 
C)  Place the 24 *30-cm (10 *12-inch) IR lengthwise. 
D)  None of the above; all of the structures were demonstrated.

Question 14

Which term describes the small flap of cartilage covering the opening to the ear?

Accepted Answer

A)  Tragus 
B)  Pinna 
C)  Acanthion 
D)  EAM 
A)  Tragus 
B)  Pinna 
C)  Acanthion 
D)  EAM

Question 15

Which one of the following positioning errors most often results in a repeat exposure of a cranial position?

Accepted Answer

A)  Rotation 
B)  Incorrect central ray placement 
C)  Slight flexion 
D)  Slight extension 
A)  Rotation 
B)  Incorrect central ray placement 
C)  Slight flexion 
D)  Slight extension

Question 16

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

Accepted Answer

A)  Asterion 
B)  Wormian 
C)  Sesamoid 
D)  Squamosal 
A)  Asterion 
B)  Wormian 
C)  Sesamoid 
D)  Squamosal

Question 17

The lateral projection of the facial bones is typically a unilateral projection.

Accepted Answer

A) True 
 B)False

Question 18

A patient comes to radiology with severe mastoiditis.Which one of the following imaging modalities will best demonstrate possible bony destruction within the mastoid region?

Accepted Answer

A)  CT 
B)  Nuclear medicine 
C)  Ultrasound 
D)  MRI 
A)  CT 
B)  Nuclear medicine 
C)  Ultrasound 
D)  MRI

Question 19

Which bony landmark represents the highest level of the facial bone mass?

Accepted Answer

A)  Nasion 
B)  Acanthion 
C)  Orbital plates 
D)  Supraorbital notch 
A)  Nasion 
B)  Acanthion 
C)  Orbital plates 
D)  Supraorbital notch

Question 20

A patient comes to radiology for a sinus series on a cart.She is unable to stand or sit erect for any of the projections.Which of the following projections will best detect any air/fluid levels present in the maxillary sinuses?

Accepted Answer

A)  PA 
B)  Parietoacanthial 
C)  Parietoacanthial transoral 
D)  Horizontal beam lateral 
A)  PA 
B)  Parietoacanthial 
C)  Parietoacanthial transoral 
D)  Horizontal beam lateral

The PA axial projection (Haas method)for the cranium requires a CR angle of 25° caudad.

Which cranial bone contains the cribriform plate?

Which one of the following technical considerations is most critical for demonstrating air and/or fluid levels within the cranium?

For a lateral facial bones projection,the chin should be adjusted so the IOML is perpendicular to the front edge of the IR.

Which sinuses are best demonstrated with a parietoacanthial projection?

The sutural point or area labeled d is termed: (Anatomic structures are labeled i through vi and sutures a through h.)

A radiograph of a PA Caldwell projection reveals that the petrous ridges are projected into the lower one third of the maxillary sinuses.Which of the following modifications should be made during the repeat exposure to produce a more diagnostic image?

Why is the chin extended for an axiolateral oblique projection of the mandible?

Which three cranial bones articulate directly with the zygomatic bone?

How many facial bones help make up the bony orbit?

Which cranial suture is labeled g? (Anatomic structures are labeled i through vi and sutures a through h.)

A radiograph of a lateral cranium reveals that the mentum was cut off from the bottom of the radiograph.A 24 30-cm (10 12-inch)IR was used,and it was placed crosswise.What must be altered if a repeat exposure is performed?

Which term describes the small flap of cartilage covering the opening to the ear?

Which one of the following positioning errors most often results in a repeat exposure of a cranial position?

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

The lateral projection of the facial bones is typically a unilateral projection.

A patient comes to radiology with severe mastoiditis.Which one of the following imaging modalities will best demonstrate possible bony destruction within the mastoid region?

Which bony landmark represents the highest level of the facial bone mass?

A patient comes to radiology for a sinus series on a cart.She is unable to stand or sit erect for any of the projections.Which of the following projections will best detect any air/fluid levels present in the maxillary sinuses?

Terminology, Positioning, and Imaging Principles

Chest

Abdomen

Upper Limb

Humerus and Shoulder Girdle

Lower Limb

Femur and Pelvic Girdle

Cervical and Thoracic Spine

Lumbar Spine, Sacrum, and Coccyx

Bony Thorax-Sternum and Ribs

Biliary Tract and Upper Gastrointestinal System

Lower Gastrointestinal System

Urinary System and Venipuncture

Trauma, Mobile, and Surgical Radiography

Pediatric Radiography

Angiography and Interventional Procedures

Computed Tomography

Special Radiographic Procedures

Diagnostic and Therapeutic Modalities

Filters

Exam 11: Cranium, Facial Bones, and Paranasal Sinuses

The PA axial projection (Haas method)for the cranium requires a CR angle of 25° caudad.

Which cranial bone contains the cribriform plate?

Which one of the following technical considerations is most critical for demonstrating air and/or fluid levels within the cranium?

For a lateral facial bones projection,the chin should be adjusted so the IOML is perpendicular to the front edge of the IR.

Which sinuses are best demonstrated with a parietoacanthial projection?

The sutural point or area labeled d is termed: (Anatomic structures are labeled i through vi and sutures a through h.)

A radiograph of a PA Caldwell projection reveals that the petrous ridges are projected into the lower one third of the maxillary sinuses.Which of the following modifications should be made during the repeat exposure to produce a more diagnostic image?

Why is the chin extended for an axiolateral oblique projection of the mandible?

Which three cranial bones articulate directly with the zygomatic bone?

How many facial bones help make up the bony orbit?

Which cranial suture is labeled g? (Anatomic structures are labeled i through vi and sutures a through h.)

A radiograph of a lateral cranium reveals that the mentum was cut off from the bottom of the radiograph.A 24 *30-cm (10 *12-inch)IR was used,and it was placed crosswise.What must be altered if a repeat exposure is performed?

Which term describes the small flap of cartilage covering the opening to the ear?

Which one of the following positioning errors most often results in a repeat exposure of a cranial position?

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

The lateral projection of the facial bones is typically a unilateral projection.

A patient comes to radiology with severe mastoiditis.Which one of the following imaging modalities will best demonstrate possible bony destruction within the mastoid region?

Which bony landmark represents the highest level of the facial bone mass?

A patient comes to radiology for a sinus series on a cart.She is unable to stand or sit erect for any of the projections.Which of the following projections will best detect any air/fluid levels present in the maxillary sinuses?

Terminology, Positioning, and Imaging Principles

Chest

Abdomen

Upper Limb

Humerus and Shoulder Girdle

Lower Limb

Femur and Pelvic Girdle

Cervical and Thoracic Spine

Lumbar Spine, Sacrum, and Coccyx

Bony Thorax-Sternum and Ribs

Biliary Tract and Upper Gastrointestinal System

Lower Gastrointestinal System

Urinary System and Venipuncture

Trauma, Mobile, and Surgical Radiography

Pediatric Radiography

Angiography and Interventional Procedures

Computed Tomography

Special Radiographic Procedures

Diagnostic and Therapeutic Modalities

Filters

A radiograph of a lateral cranium reveals that the mentum was cut off from the bottom of the radiograph.A 24 30-cm (10 12-inch)IR was used,and it was placed crosswise.What must be altered if a repeat exposure is performed?