Chapter12 Bontegar
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| show | Temporal
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| How many bones make up the facial region | show 🗑
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| Which bony landmark represents the highest level of the facial bone mass | show 🗑
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| The widest portion of the cranium is found at the level of the | show 🗑
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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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| Which cranial bone articulates with all the other cranial bones | show 🗑
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| show | SOG- Supraorbital Groove
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| show | Frontal, Shpenoid, Occipatal
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| show | Left Asterion
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| show | Six
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| show | Four
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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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| show | Sphenoid
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| Which cranial bone contains teh cribriform plate | show 🗑
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| show | Lambdoidal
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| Which term describes the anterior fontanel found in the adult skull | show 🗑
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| show | Wormian
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| show | frontal
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| show | Anterior
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| An average-shaped skull with a 47 degree angle between the petrous pyramids and the midsagittal plane classified as | show 🗑
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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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| Which technical consideration is most critical for demonstrating air and/or fluid levels within the cranium | show 🗑
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| show | Excessive CR angulation
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| Which most common positions errors most often results in a repeat exposure of a cranial position | show 🗑
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| show | Positioning was Correct
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| 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 position errors led to this outcome | show 🗑
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| A radiograph of a lateral cranium reveals that the mentum was cut off from the bottom of the radiograph. IR was used adn it was placed crosswise. What must be altered if a repeat exposure is performed increase the extension of skull increase flexion of | show 🗑
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| show | False
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| Both CT and MRI can provide reconstructed images in three planes: Axial, Sagittal and Coronal | show 🗑
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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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| show | Horizontal beam lateral projection
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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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| show | Increase flexion of cranium
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| show | False
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| The SMV projection requires that the IOML is placed parrallel to the image receptor | show 🗑
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| Which cranial projection will best demonstrate a possible basilar fracture | show 🗑
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| Which positioning line should be perpendicular to the plane of the IR for the AP Axial(Towne) projection with a 37 degree caudad CR angle | show 🗑
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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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| To which aspect of the ear does the eustachian tube attach | show 🗑
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| The aditus is defined as a: larger chamber containing the mastoid air cells thin plate of bone separating the mastoid aircells from brain passageway for the auditory nerve opening between the epitympanic recess and the mastoid air cells | show 🗑
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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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| show | False
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| show | False
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| Where is the CR centered for the lateral projection of the cranium | show 🗑
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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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| show | Palatine
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| Which three cranial bones articulate directly with the zygomatic bone | show 🗑
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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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| show | ethmoid and vomer
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| show | Alveolar Processes
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| show | Symphysis Menti
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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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| show | Apex
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| show | four
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| Which sinus produces as air/fluid level indicating a basilar skull fracture | show 🗑
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| Where are the ethmoid sinuses located within the ethmoid bone | show 🗑
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| T/F: All of the sinuses intercommunicate with each other and with the nasal cavity | show 🗑
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| T/F: Infections involving the upper teeth may involve the frontal sinuses | show 🗑
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| The _____ passageway drains the maxillary sinus into the middle nasal conchae | show 🗑
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| The _____ sinuses develop last and are not fully developed until the teenage years | show 🗑
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| Which bone is involved with a tripod fracture | show 🗑
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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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| show | True
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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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| T/F: The lateral projection for the nasal bones is generally a unilateral projection(Both right and left lateral projections are usually not required) | show 🗑
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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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| show | 15 degrees
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| What can the technologist do if the patient cannot extend the head and neck adequately for the routine SMV projection of the zygomatic arches | show 🗑
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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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| show | A small focal spot should be used
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| How much diffence is there is between the OML and IOML positioning lines | show 🗑
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| Which projection best demonstrates the floor of the orbits | show 🗑
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| Which positioning line must be used with a 30 degree caudad angle for an AP Axial projection of the zygomatic arches | show 🗑
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| What is the angle between the MSP and the IR for a parieto-orbital obliqe projection of the optic foramen | show 🗑
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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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| show | To prevent superimposition upon the cervical spine
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| Where does the CR exit for hte optional PA Axial projection of the mandible | show 🗑
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| show | OML
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| Which apsect of the mandible is best demonstrated with an AP Axial projection | show 🗑
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| show | The Glabella
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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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| The Modified Law method for the TMJs requires a _____ rotation of the skull and a _____ angle of the CR | show 🗑
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| What is the position of the skull for an Axiolateral projection(Schuller Method) of the TMJ | show 🗑
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| show | 25-30 degrees caudad
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| Where should the optic foramen be located with a will positioned parieto-orbital oblique projection | show 🗑
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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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| show | Coronal
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| show | Sphenoid
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| A radiograph of a lateral projection of the facial bones reveals that the mandibular rami are not superimposed. What specific positioning error is present | show 🗑
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| The recommended digital systems kV range for the superoinferior tangential projection of the nasal bones is | show 🗑
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| show | SMV
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| A radiograph of a parietocanthial(Waters)projection reveals that the petrous ridges are superimposed over the lower 30% of the maxillary sinuses. What specific error if any led to this | show 🗑
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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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