Skull Ch. 12 & 13

What xrays are included in a bone survey?

Where does multiple myeloma generally show quicker at?

What are the three cardinal rules of radiation protection

How many bones make up the cranium?

How many bones make up the facial bones?

What is the maximum degree of incline for a portable?

What baseline does the panorex use?

Axiolateral Oblique: Mandible

true lateral - ramus
30° - body
45° - mentum
10° - 15° - general survey

What age does the anterior fontanel generally close?

What are the joints of the cranium classified as?

At about what age do the cranial sutures completely close?

At what age are all of the sinuses completely developed?

Which sinus is located immediately below the sella turcica?

Meningitis

Depressed Fracture

Tripod Fracture

Blowout Fracture

Basal Skull Fracture

Subdural Empyema

Osteomyelitis of Skull

Brain Abscess

Contrecoup

Encephalitis

A radiograph of a lateral projection of the facial bones reveals that the mandibular rami are not superimposed. What positioning error led to this radiographic outcome?

SMV of the sinuses best shows what?

A radiograph of a Waters projection reveals that the petrous ridges are projected within the maxillary sinuses. Is this an acceptable image?

A lateral of the sinuses best shows what?

A Parietoacanthial (Waters) projection of the sinuses best shows what?

A PA Caldwell of the sinuses best shows what?

A PA transoral of the sinuses best shows what?

Which sinuses are projected through the oral cavity with the PA axial transoral projection?

Which paranasal sinuses are demonstrated with an SMV projection of the paranasal sinuses?

What is the largest immovable bone of the face?

Which soft tissue landmark is found at the base of the anterior nasal spine?

Which two cranial bones articulate with the maxilla?

Which facial bone is associated with the tear ducts?

From anterior to posterior, the cone-shaped orbits project upward at an angle of _____ and toward the midsagittal plane at an angle of ______.

Which one of the facial bone openings is formed by a cleft between the greater and lesser wings of the sphenoid bone?

What is the older term of the maxillary sinuses?

Specifically, where are the frontal sinuses located?

The frontal sinuses rarely become aerated before the age of ________.

Which specific aspect of the ethmoid bone contains the ethmoid sinuses?

What is the name of the fracture that results from a direct blow to the orbit leading to a disruption of the inferior orbital margin?

A "free-floating" zygomatic bone is the frequent result of a _________ fracture.

Where is the CR centered for a lateral position for facial bones?

What CR angle must be used to project the petrous ridges just below the orbital floor with the PA axial (Caldwell) projection?

Which structures specifically are visualized better on the modified Waters as compared with the basic Waters?

Where does the CR exit for a Waters of the facial bones?

Where does the CR exit for a 15° PA axial (Caldwell) for facial bones?

Which projection for the mandible results in a thyroid dose that is four or five times greater than the thyroid dose for any other projection?

Which projection of the mandible will project the opposite half of the mandible away from the side of interest?

Where should the CR exit for a PA axial projection of the mandible?

Which skull positioning line is placed perpendicular to the IR for a PA or PA axial projection of the mandible?

Which aspect of the mandible is best visualized with an AP axial projection?

What CR angle is required for the AP axial projection of the mandible if the OML is placed perpendicular to the IR?

Where is the CR centered for an AP axial projection of the mandible?

Which projection of the mandible will demonstrate the entire mandible, including the coronoid and condyloid processes?

Which imaging system provides a single, frontal perspective of the entire mandible?

Which projection of the TMJ requires that the skull be kept in a true lateral position?

Which single projection for a paranasal sinus routine provides an image of all four sinus groups?

Which paranasal sinuses are best demonstrated with a PA Caldwell?

Which group of paranasal sinuses is best demonstrated with a Waters projection?

Which positioning line is placed perpendicular to the IR for a Waters projection?

Where are the petrous ridges located on a well-positioned Waters projection?

A radiograph of a Waters projection reveals that the distance between the lateral margins of the orbits and the lateral aspect of the skull is not equal. What type of positioning error led to this radiographic outcome?

A radiograph of a 30° PA axial projection of the facial bones reveals that the petrous ridges are projected at the level of the inferior orbital margins. Is this an acceptable image for this projection?

A lateral radiograph of the facial bones demonstrates that the bodies of the mandible are not superimposed; one is about 1 cm superior to the other. How would this be corrected on a repeat exposure?

The majority of the hard palate is formed by

Where are the petrous ridges projected for a properly positioned modified Waters projection?

Which positioning line is placed perpendicular to the IR for a modified Waters projection?