skull
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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| show | OML
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| show | nasion
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| what positioning landmark is located at the base of the nasal spine? | show 🗑
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| show | glabella
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| what positioning landmark is most superior? | show 🗑
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| where on the skull is the gonion located? | show 🗑
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| show | on the lateral boarder of each orbit
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| what positioning landmark is located at the anterior portion of the mandible? | show 🗑
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| which suture articulates the frontal bone with both parietal bones? | show 🗑
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| which suture joint both parietal bones at the vertex of the skull? | show 🗑
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| show | squamosal
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| which suture joins both parietal bones with the occipital bone? | show 🗑
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| the bregma fontanelle is located at the junction of which two sutures? | show 🗑
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| the lambda fontanelle is located at the junction of which two sutures? | show 🗑
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| the bregma fontanelle is located at a the junction of which cranial bones? | show 🗑
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| show | occipital and both parietals
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| show | mesocephalic, 47 degrees
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| which skull classification refers to a long, narrow skull? and what degrees is the angle formed between the petrous pyramids and midsagittal plane | show 🗑
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| show | brachycephalic, 54 degrees
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| show | frontal bone
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| show | ethmoid
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| on which cranial bone is the crista galli located? | show 🗑
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| which cranial bone has a petrous pyramid? | show 🗑
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| show | sphenoid
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| show | temporal
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| which cranial bone is the perpendicular plate located? | show 🗑
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| which cranial bone has both greater and lesser wings? | show 🗑
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| which cranial bone does the first cervical vertebra articulate? | show 🗑
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| the pterygoid processes project inferiorly from which cranial bone? | show 🗑
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| show | temporal
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| show | zygomatic
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| with which bone does the mandible articulate? | show 🗑
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| where are the lacrimal bones located? | show 🗑
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| show | on the floor of the nasal cavity
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| show | zygomatic
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| which term refers to the anterior process of the mandibular ramus? | show 🗑
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| show | condyle
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| which facial bones have alveolar processes? | show 🗑
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| which bones from the posterior one fourth of the roof of the mouth? | show 🗑
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| which positioning landmark is located on the maxillae? | show 🗑
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| which two positioning lines or planes should be perpendicular to the IR for the PA projection of the skull? | show 🗑
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| with reference to the patient, where should the IR be centered for the PA projection of the skull? | show 🗑
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| with reference to the patient, where should the IR be centered for the lateral projection of the skull? | show 🗑
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| show | interpup line: perpendicular ; midsag plane: parallel
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| show | 30 degrees Caudal
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| show | 37 degrees caudal
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| which positioning line should be parallel with the IR for the SMV projection of the skull? | show 🗑
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| show | AP axial, towne method
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| which projection of the skull can be correctly performed with the CR angled 15 degrees | show 🗑
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| which projection of the skull produces a full basal image of the cranium? | show 🗑
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| which projection of the skull projects the petrous bones in the lower third of the orbits | show 🗑
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| show | PA with perpendicular central ray
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| show | part of the sella turcica should be seen within the foramen magnum
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| show | the distance from the lateral border of the skull to the lateral border of the orbit should be the same on both sides
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| show | the orbital roofs should be superimposed
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| show | the mental protuberance should superimpose the anterior frontal bone
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| for the PA axial projection, Haas method, where should the central ray enter the patients head? | show 🗑
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| show | 25 degrees cephlad
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| which evaluation criterion pertains to the PA axial, Haas method? | show 🗑
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| with reference to the patient, where should the CR be directed for the lateral projection of the facial bones? | show 🗑
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| show | perpendicular
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| where should the petrous ridges be seen in the image of the Waters method of the facial bones? | show 🗑
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| which positioning line and angle indicate correct positioning of the head for the Waters method? | show 🗑
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| which evaluation criterion pertains to the Waters method facial bones? | show 🗑
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| which evaluation criterion pertains to the PA axial, Caldwell method facial bones? | show 🗑
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| show | the orbital roofs should be superimposed
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| show | the zygomatic arches should be free from overlying structures
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| how many degrees and in what direction should the CR be directed for an AP axial (modified townes) of bilateral zygomatic arches when the OML is perpendicular to the IR | show 🗑
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| show | the CR is directed to the glabella
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| with reference to the IR, how should the midsagittal plane readjusted for the tangential projection demonstrating an individual zygomatic arch? | show 🗑
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| to demonstrate the mandibular body with the axiolateral oblique projection, how should the patient's head be positioned? | show 🗑
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| how many degrees and in which direction should the CR be directed for the axiolateral projection on the mandible? | show 🗑
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| show | axiolateral projection of the mandible
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| which evaluation criterion pertains to the axiolateral oblique projection of the mandible? | show 🗑
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| which structure is of primary interest when the patient's head is rotated 15 degrees toward the IR from a true lateral position and the CR is directed 15 degrees caudal, entering about 1 1/2 inches superior to the upside EAM? | show 🗑
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| how many degrees and in which direction should the CR be directed for the axiolateral oblique projection for TMJs? | show 🗑
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| show | 3 inches above the nasion
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| show | 1/2 inch anterior to the EAM
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| which structures should always be radiographed with the patient in an upright position? | show 🗑
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| which of the following is the only projection for paranasal sinuses that adequately demonstrates all four sinus groups? | show 🗑
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| with reference to the outer canthus, where should the central ray be directed for the lateral projections of the sinus? | show 🗑
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| show | sphenoidal
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| show | frontal and anterior ethmoidal
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| show | OML
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| show | lower third of the orbits
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| show | OML
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| with reference to the IR how should the CR be directed for the waters method? | show 🗑
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| which paranasal sinus group is best demonstrated with the waters method? | show 🗑
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| where should the petrous ridges be seen in the image of the waters method? | show 🗑
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| show | acanthion
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| which sinus group is not well demonstrated in the waters method? | show 🗑
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| show | ethmoidal and sphenoidal
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| which projection of the sinuses demonstrates a symmetric image of the anterior portion of the base of the skull? | show 🗑
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| in which projection of the sinuses is the IR centered to the nasion? | show 🗑
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| in which projection of the sinuses is the mentomeatal line approximately perpendicular to the plane of the IR? | show 🗑
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| in which projection of the sinuses must the OML form an angle of 15 degrees with the plane of the IR? | show 🗑
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| which evaluation criterion pertains to the lateral projection of the paranasal sinuses? | show 🗑
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| show | the frontal and ethmoidal sinuses should be seen, petrous ridges should lie on the lower third of the orbits
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| which evaluation criterion pertains to the waters method? | show 🗑
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| show | mental protuberance should superimpose anterior frontal bone, mandibular condyles should be anterior to the petrous ridges
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Created by:
taylos84
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