Question 1

Which cranial bone possesses the zygomatic process?

Accepted Answer

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

Question 2

A radiograph of a lateral cranium reveals that the mentum of the mandible was cut off from the bottom of the radiograph.A 24 × 30-cm (10 × 12-inch) IR was used, and it was placed landscape.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 critical 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 critical structures were demonstrated.

Question 3

The osseous labyrinth includes the cochlea, the vestibule, and the semicircular canals.

Accepted Answer

A) True 
 B)False

Question 4

A patient comes in with a clinical history of a possible pituitary adenoma.Because this is a rural hospital, CT and MRI are not available.Which radiographic projection or position would best demonstrate signs of bony erosion of the sella turcica because of the tumor?

Accepted Answer

A) AP axial (Towne method) 
B) PA axial (Caldwell method) 
C) Lateral position 
D) Both A and C 
A) AP axial (Towne method) 
B) PA axial (Caldwell method) 
C) Lateral position 
D) Both A and C

Question 5

What is the difference, in degrees, between the infraorbitomeatal and orbitomeatal lines?

Accepted Answer

A) 10° 
B) 15° to 22° 
C) 7° to 8° 
D) 20° to 25° 
A) 10° 
B) 15° to 22° 
C) 7° to 8° 
D) 20° to 25°

Question 6

Which sinuses are best demonstrated with the PA projection?

Accepted Answer

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

Question 7

Which of the following cranial bones does not articulate with the parietal bone?

Accepted Answer

A) Frontal 
B) Sphenoid 
C) Occipital 
D) All of the above articulate with the parietal bone. 
A) Frontal 
B) Sphenoid 
C) Occipital 
D) All of the above articulate with the parietal bone.

Question 8

Which of the following structures of the inner ear is responsible for hearing?

Accepted Answer

A) Vestibule 
B) Semicircular canals 
C) Cochlea 
D) Round window 
A) Vestibule 
B) Semicircular canals 
C) Cochlea 
D) Round window

Question 9

A patient comes to radiology with a history of a possible erosion of the superior orbital fissures.Which of the following projections would best demonstrate this structure?

Accepted Answer

A) PA axial with a 15° caudad angle to OML 
B) Submentovertical 
C) PA axial with a 25° to 30° caudad angle to OML 
D) AP axial with a 37° caudad angle to OML 
A) PA axial with a 15° caudad angle to OML 
B) Submentovertical 
C) PA axial with a 25° to 30° caudad angle to OML 
D) AP axial with a 37° caudad angle to OML

Question 10

A radiograph of a lateral projection of the cranium reveals that the orbital roofs (plates) are not superimposed-one is slightly superior to the other.Which of the following positioning errors led to this radiographic outcome?

Accepted Answer

A) Rotation 
B) Tilt 
C) Excessive flexion 
D) Excessive extension 
A) Rotation 
B) Tilt 
C) Excessive flexion 
D) Excessive extension

Question 11

The vestibule is located in the middle ear.

Accepted Answer

A) True 
 B)False

Question 12

Where does the CR exit for a modified parietoacanthial (modified Waters) projection of the facial bones?

Accepted Answer

A) Nasion 
B) Glabella 
C) Acanthion 
D) Midorbits 
A) Nasion 
B) Glabella 
C) Acanthion 
D) Midorbits

Question 13

A radiograph of a PA Caldwell (15° caudad) projection for cranium reveals that the petrous ridges are projected into the lower one-third of the orbits.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 14

Select the imaging modality that would best demonstrate the following pathologies.
-Paget's disease

Accepted Answer

A) Nuclear medicine 
B) MRI 
C) CT 
D) Ultrasound 
E) Conventional radiography 
A) Nuclear medicine 
B) MRI 
C) CT 
D) Ultrasound 
E) Conventional radiography

Question 15

The cochlea is labeled:

Accepted Answer

A) v. 
B) vii. 
C) viii. 
D) ix. 
A) v. 
B) vii. 
C) viii. 
D) ix.

Question 16

What is the classification of the joint found between the teeth and maxilla?

Accepted Answer

A) Synovial 
B) Fibrous 
C) Cartilaginous 
D) Synarthrodial 
A) Synovial 
B) Fibrous 
C) Cartilaginous 
D) Synarthrodial

Question 17

How much skull rotation, from a lateral position, is recommended to best demonstrate the body of the mandible for an axiolateral/axiolateral oblique projection?

Accepted Answer

A) None.Keep skull in true lateral position. 
B) 10 to 15° toward the IR 
C) 30° toward the IR 
D) 45° toward the IR 
A) None.Keep skull in true lateral position. 
B) 10 to 15° toward the IR 
C) 30° toward the IR 
D) 45° toward the IR

Question 18

A radiograph of a parietoacanthial (Waters) projection for sinuses reveals that the petrous pyramids are projected over the maxillary sinuses.What positioning error is present on this radiograph?

Accepted Answer

A) Excessive flexion of head and neck 
B) Excessive extension of head and neck 
C) Excessive CR angulation 
D) Rotation of the head 
A) Excessive flexion of head and neck 
B) Excessive extension of head and neck 
C) Excessive CR angulation 
D) Rotation of the head

Question 19

To which aspect of the ear does the eustachian tube attach?

Accepted Answer

A) External ear 
B) Middle ear 
C) Inner ear 
D) Cochlea 
A) External ear 
B) Middle ear 
C) Inner ear 
D) Cochlea

Question 20

How much difference is there between the OML and IOML positioning lines?

Accepted Answer

A) 7° to 8° 
B) 8° to 9° 
C) 10° to 11° 
D) 5° to 6° 
A) 7° to 8° 
B) 8° to 9° 
C) 10° to 11° 
D) 5° to 6°

Which cranial bone possesses the zygomatic process?

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

The osseous labyrinth includes the cochlea, the vestibule, and the semicircular canals.

A patient comes in with a clinical history of a possible pituitary adenoma.Because this is a rural hospital, CT and MRI are not available.Which radiographic projection or position would best demonstrate signs of bony erosion of the sella turcica because of the tumor?

What is the difference, in degrees, between the infraorbitomeatal and orbitomeatal lines?

Which sinuses are best demonstrated with the PA projection?

Which of the following cranial bones does not articulate with the parietal bone?

Which of the following structures of the inner ear is responsible for hearing?

A patient comes to radiology with a history of a possible erosion of the superior orbital fissures.Which of the following projections would best demonstrate this structure?

A radiograph of a lateral projection of the cranium reveals that the orbital roofs (plates) are not superimposed-one is slightly superior to the other.Which of the following positioning errors led to this radiographic outcome?

The vestibule is located in the middle ear.

Where does the CR exit for a modified parietoacanthial (modified Waters) projection of the facial bones?

A radiograph of a PA Caldwell (15° caudad) projection for cranium reveals that the petrous ridges are projected into the lower one-third of the orbits.Which of the following modifications should be made during the repeat exposure to produce a more diagnostic image?

Select the imaging modality that would best demonstrate the following pathologies. -Paget's disease

The cochlea is labeled:

What is the classification of the joint found between the teeth and maxilla?

How much skull rotation, from a lateral position, is recommended to best demonstrate the body of the mandible for an axiolateral/axiolateral oblique projection?

A radiograph of a parietoacanthial (Waters) projection for sinuses reveals that the petrous pyramids are projected over the maxillary sinuses.What positioning error is present on this radiograph?

To which aspect of the ear does the eustachian tube attach?

How much difference is there between the OML and IOML positioning lines?

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 Thoraxsternum and Ribs

Biliary Tract and Upper Gastrointestinal System

Lower Gi 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

Which cranial bone possesses the zygomatic process?

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

The osseous labyrinth includes the cochlea, the vestibule, and the semicircular canals.

A patient comes in with a clinical history of a possible pituitary adenoma.Because this is a rural hospital, CT and MRI are not available.Which radiographic projection or position would best demonstrate signs of bony erosion of the sella turcica because of the tumor?

What is the difference, in degrees, between the infraorbitomeatal and orbitomeatal lines?

Which sinuses are best demonstrated with the PA projection?

Which of the following cranial bones does not articulate with the parietal bone?

Which of the following structures of the inner ear is responsible for hearing?

A patient comes to radiology with a history of a possible erosion of the superior orbital fissures.Which of the following projections would best demonstrate this structure?

A radiograph of a lateral projection of the cranium reveals that the orbital roofs (plates) are not superimposed-one is slightly superior to the other.Which of the following positioning errors led to this radiographic outcome?

The vestibule is located in the middle ear.

Where does the CR exit for a modified parietoacanthial (modified Waters) projection of the facial bones?

A radiograph of a PA Caldwell (15° caudad) projection for cranium reveals that the petrous ridges are projected into the lower one-third of the orbits.Which of the following modifications should be made during the repeat exposure to produce a more diagnostic image?

Select the imaging modality that would best demonstrate the following pathologies. -Paget's disease

The cochlea is labeled:

What is the classification of the joint found between the teeth and maxilla?

How much skull rotation, from a lateral position, is recommended to best demonstrate the body of the mandible for an axiolateral/axiolateral oblique projection?

A radiograph of a parietoacanthial (Waters) projection for sinuses reveals that the petrous pyramids are projected over the maxillary sinuses.What positioning error is present on this radiograph?

To which aspect of the ear does the eustachian tube attach?

How much difference is there between the OML and IOML positioning lines?

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 Thoraxsternum and Ribs

Biliary Tract and Upper Gastrointestinal System

Lower Gi 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