Chapter12 Bontegar
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| Which bone is part of the floor of the cranium | show 🗑
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| show | 14
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| Which bony landmark represents the highest level of the facial bone mass | show 🗑
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| show | Parietal Tubercles
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| What is the name of the joint found between the lateral condylar processes of the skull and the atlas of C1 | show 🗑
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| show | Sphenoid
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| show | SOG- Supraorbital Groove
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| show | Frontal, Shpenoid, Occipatal
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| The left mastoid fontanel becomes the _____ in an adult | show 🗑
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| There are a total of _____ fontanels in an infant | show 🗑
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| The frontal bone articulates with _____ cranial bones | show 🗑
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| What landmark corresponds with the leval of the petrous ridge | show 🗑
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| show | Sphenoid Bone
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| Which cranial bone contains the foramen ovale | show 🗑
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| show | Ethmoid
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| Which suture seperates the parietal from the occipital bone | show 🗑
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| show | Bregma
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| Which term describes the small irregular bones occasionally found in the sutures | show 🗑
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| show | frontal
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| Which of the fontanels is the last to close at about 18 months of age | show 🗑
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| show | Mesocephalic
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| An axiolateral oblique porjection(Law Method) for the temporomandibular joints on a brachycephalic type of skull would require _____ rotation as compared with an average-shaped skull | show 🗑
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| Which term describes the small flap of cartilage covering the opening to the ear | show 🗑
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| show | 7-8 degrees
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| show | Horizontal X-Ray Beam
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| show | Excessive CR angulation
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| show | Rotation
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| show | Positioning was Correct
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| show | Tilt
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| show | Nothing, all of the structures were demonstrated
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| Lesions of decreased density are termed osteoblastic lesons | show 🗑
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| show | True
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| A patient comes to radiology for a routine study of the cranium, He is unable to flex his head and neck sufficiently to place the OML perpendicular to the IR for the AP Axial. What should the tech do to compensate for this problem | show 🗑
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| A patient enters the ED with a possible basilare skull fracture. Which of the following skull projections would best demonstrate any blood present in the sphenoid sinus | show 🗑
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| A patient comes to radiology with a history of possible erosion of the superior orbital fissures. Which projections would best demonstrate this structure | show 🗑
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| A patient comes to radiology with a possible bone cyst within the squamous portion of the frontal bone. Which projection would best demonstrate this region with a minimal amount of distorion of the frontal bone | show 🗑
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| A PA Axial projection with a 25 degree daudad angle of the cranium reveals that petrous ridges are at the level of the SOM. Which of the following modifactions are required to correct this error | show 🗑
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| show | False
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| show | True
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| show | Horizontal Beam Lateral
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| show | IOML
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| show | Petrous
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| Which of the following structuresis part of the middle ear | show 🗑
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| show | Middle ear
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| show | opening between the epitympanic recess and the mastoid air cell
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| show | Middle Ear
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| Which structures of the inner ear is reaponsible for hearing | show 🗑
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| show | True
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| The sensory apparatus of both equilibrium and hearing are contained in the inner ear | show 🗑
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| The vestibule is located in the middle ear | show 🗑
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| show | Two inches superior to EAM
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| show | Sphenoid
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| Wich cranial bone possesses the superior nasal conchae | show 🗑
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| Which cranial bone possesses the zygomatic process | show 🗑
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| show | Nuclear medicine
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| A patient comes to radiology with severe mastoiditis. Which imaging modalities will best demonstrate possible boy destruction within the mastoid region | show 🗑
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| A patient come to radiology with a clinical history of an acoustic neuroma. Which of the imaging modalities will provide the best assessment for this tumor | show 🗑
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| A patient comes in with a clinical history of possiblepituitary adenoma. Because this is a rural hospital CT and MRI are not available. Which radiographic porjection would best demonstrate signs of bony erosion of the selle turcica because of the tumor: | show 🗑
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| show | maxilla
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| Which facial bone forms the majority of the hard palate | show 🗑
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| show | Frontal, Sphenoid, Temporal
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| Which term describes the juction of the two nasal bones | show 🗑
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| Which structures are described as scroll-like projections found in the nasal cavity | show 🗑
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| Which tow bones form the bonsy nasal septum | show 🗑
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| The upper and lower teeth are embedded in the | show 🗑
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| The point of union between both halves of the mandible is termed | show 🗑
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| What primary type of joint movement occures with the tempromandibular joint | show 🗑
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| What is the classification of the joint found between the teeth and maxilla | show 🗑
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| The posterior aspect of the orbit is termed the | show 🗑
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| How many FACIAL bones make up the bony orbit | show 🗑
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| show | Sphenoid
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| show | Lateral Masses
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| show | true
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| show | False
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| The _____ passageway drains the maxillary sinus into the middle nasal conchae | show 🗑
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| show | Ethmoid
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| show | Zygomatic
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| show | Contrecoup
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| Which imaging modalities should not be used to rule out a possible metal foreign body in the eye | show 🗑
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| T/F: The lateral projection of the facial bones is typically a unilateral projection | show 🗑
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| show | false
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| Where is the CR centered for a lateral projection of the facial bones | show 🗑
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| show | 37 degrees
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| T/F: The modified Parietocanthial(Modified Waters) projection requires more wxtension of the head and neck as compared with the Parietocanthial(Waters) projections | show 🗑
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| show | False
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| show | Acanthion
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| This technical factor does not apply to lateral nasal bone projections | show 🗑
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| show | IPL- Interpupillary Line
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| show | Parietoacanthial
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| show | False
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| The CR must be place parallel to the _____ positioning line for the superoinferior(tangential) projection of nasal bones | show 🗑
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| How much skull tilt and rotation are requried for the oblique inferosuperior(tangential)porjection for zygomatic arches | show 🗑
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| show | Angle to CR to place it perpendicular to the IOML
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| Which positioning line is parallel to the IR for the oblique inferosuperior(tangential) projection of the zygomatic arches | show 🗑
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| This is not true about the oblique inferosuperior(tangential) projection of the zygomatic arches | show 🗑
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| show | 7-8 degrees
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| show | Modified Parietoacanthial(Modified Waters)
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| show | OML
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| show | 53 degrees
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| Which positioning line is placed perpendicular to the IR for the parieto-orbital oblique projection of the optic foramina | show 🗑
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| T/F: The proper name for the parieto-orbital oblique projection is the Schuller Method | show 🗑
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| show | True
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| What is the maximum CR angulation used for the axiolateral oblique projection of the mandible | show 🗑
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| show | None, the skull should be kept in a lateral position
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| What is the chin extended for an Axiolateral Oblique projection of the mandible | show 🗑
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| Where does the CR exit for hte optional PA Axial projection of the mandible | show 🗑
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| Which positioning line is perpendicular to the IR for a PA projection of the mandible | show 🗑
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| show | Condyloid Process
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| Where is the CR centered for an AP Axial prjection of the mandible | show 🗑
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| show | SMV
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| What CR angle is required for the AP Axial projection for the TMJs with the IOML perpendicular to the IR | show 🗑
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| show | 15 degrees-- 15 degrees
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| show | true lateral
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| show | 25-30 degrees caudad
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| show | Outer, lower quadrant of orbit
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| Along with the use of erect positions, what other technical factor is important to demonstrate air/fluid levels in the paranasal sinuses | show 🗑
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| Where is the CR centered for a lateral projection of the sinuses | show 🗑
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| show | Frontal, and ethmoid
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| Which sinuses are best demonstrated with a parietoacanthial projection | show 🗑
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| Which plane of perspective os most often porduced for a CT scan of the sinuses | show 🗑
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| Which sinus is prjected through the oral cavity with a parietocanthial transoral projection | show 🗑
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| show | rotation
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| show | 60-70
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| show | SMV
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| show | No error, accept the intial radiograph
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| A radiograph of a PA Caldwell projection reveals that the petrous reidges are projected into the lower one third of the maxillary sinuses | show 🗑
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| Which of the following cranial bones does NOT articulate with the parietal bone? frontal sphenoid occipital all of the above | show 🗑
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