Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
skull
| Question | Answer |
|---|---|
| what positioning line extends from the EAM to the outer canthus? | OML |
| what positioning landmark is located at the most superior point of the nasal bones? | nasion |
| what positioning landmark is located at the base of the nasal spine? | acanthion |
| what positioning landmark is the smooth elevation that is located between the supercilliary arches? | glabella |
| what positioning landmark is most superior? | glabella |
| where on the skull is the gonion located? | on the lateroposterior part of the mandible |
| where on the skull is the outer canthus located? | on the lateral boarder of each orbit |
| what positioning landmark is located at the anterior portion of the mandible? | mental point |
| which suture articulates the frontal bone with both parietal bones? | coronal |
| which suture joint both parietal bones at the vertex of the skull? | sagittal |
| which suture joins a parietal bone with both a sphenoid bone and a temporal bone? | squamosal |
| which suture joins both parietal bones with the occipital bone? | lambdoidal |
| the bregma fontanelle is located at the junction of which two sutures? | sagittal and coronal |
| the lambda fontanelle is located at the junction of which two sutures? | lambdoidal and sagittal |
| the bregma fontanelle is located at a the junction of which cranial bones? | frontal and both parietals |
| the lambda fontanelle is located at the junction of which cranial bones? | occipital and both parietals |
| which skull classification refers to a typical skull shape? and what degrees is the angle formed between the petrous pyramids and midsagittal plane | mesocephalic, 47 degrees |
| which skull classification refers to a long, narrow skull? and what degrees is the angle formed between the petrous pyramids and midsagittal plane | dolichocephalic 40 degrees |
| which skull classification refers to a short, wide skull? and what degrees is the angle formed between the petrous pyramids and midsagittal plane | brachycephalic, 54 degrees |
| on which cranial bone are the supercilliary arches located? | frontal bone |
| on which cranial bone is the cribiform plate located? | ethmoid |
| on which cranial bone is the crista galli located? | ethmoid |
| which cranial bone has a petrous pyramid? | temporal |
| on which cranial bone is the sella tursica located? | sphenoid |
| which cranial bone has the mastoid process? | temporal |
| which cranial bone is the perpendicular plate located? | ethmoid |
| which cranial bone has both greater and lesser wings? | sphenoid |
| which cranial bone does the first cervical vertebra articulate? | occipital |
| the pterygoid processes project inferiorly from which cranial bone? | sphenoid |
| from which cranial bone does the zygomatic process arise? | temporal |
| the temporal process projects posteriorly from which facial bone? | zygomatic |
| with which bone does the mandible articulate? | temporal |
| where are the lacrimal bones located? | on the medial wall of each orbit |
| where is the vomer found? | on the floor of the nasal cavity |
| which bone comprises most of the lateral wall of the orbital cavities? | zygomatic |
| which term refers to the anterior process of the mandibular ramus? | coronoid |
| which term refers to the posterior process of the mandibular ramus? | condyle |
| which facial bones have alveolar processes? | maxillae, palatine |
| which bones from the posterior one fourth of the roof of the mouth? | palatine |
| which positioning landmark is located on the maxillae? | acanthion |
| which two positioning lines or planes should be perpendicular to the IR for the PA projection of the skull? | OML and midsagittal plane |
| with reference to the patient, where should the IR be centered for the PA projection of the skull? | nasion |
| with reference to the patient, where should the IR be centered for the lateral projection of the skull? | 2 inches above the EAM |
| with reference to the IR, how should the inter pupillary line and the midsagittal plane be positioned for the later projection of the skull? | interpup line: perpendicular ; midsag plane: parallel |
| for the AP axial projection, Towne method, of the skull how many degrees and which direction should the CR be directed when the OML is perpendicular to the IR? | 30 degrees Caudal |
| for the AP axial projection, Towne method, of the skull how many degrees and which direction should the CR be directed when the IOML is perpendicular to the IR? | 37 degrees caudal |
| which positioning line should be parallel with the IR for the SMV projection of the skull? | IOML |
| which projection on the skull can be correctly performed with the central ray angled 37 degrees | AP axial, towne method |
| which projection of the skull can be correctly performed with the CR angled 15 degrees | PA axial, caldwell method |
| which projection of the skull produces a full basal image of the cranium? | SMV, Schuller method |
| which projection of the skull projects the petrous bones in the lower third of the orbits | PA axial,caldwell method |
| which projection of the skull should be obtained when the frontal bone is of primary interest? | PA with perpendicular central ray |
| which evaluation criterion pertains to the AP axial projection, Towne method of the skull? | part of the sella turcica should be seen within the foramen magnum |
| which evaluation criterion pertains to the PA projection of the skull? | the distance from the lateral border of the skull to the lateral border of the orbit should be the same on both sides |
| which evaluation criterion pertains to the lateral projection of the skull? | the orbital roofs should be superimposed |
| which evaluation criterion pertains to the SMV projection? | the mental protuberance should superimpose the anterior frontal bone |
| for the PA axial projection, Haas method, where should the central ray enter the patients head? | 1 1/2 inches below the external occipital protuberance |
| how many degrees and in which direction should the central ray be directed for the PA axial, Haas method, of the skull? | 25 degrees cephlad |
| which evaluation criterion pertains to the PA axial, Haas method? | the dorsum sella and posterior clinoids projected within the foramen magnum |
| with reference to the patient, where should the CR be directed for the lateral projection of the facial bones? | zygomatic bone |
| with reference to the IR how should the CR be directed for the parietoacanthial projection, Waters method? | perpendicular |
| where should the petrous ridges be seen in the image of the Waters method of the facial bones? | below the maxillary sinus |
| which positioning line and angle indicate correct positioning of the head for the Waters method? | OML, 37 degrees to the IR |
| which evaluation criterion pertains to the Waters method facial bones? | the petrous ridges should be projected below the maxillary sinuses |
| which evaluation criterion pertains to the PA axial, Caldwell method facial bones? | the distance between the lateral border of the skull and orbit should be the same on each side |
| which evaluation criterion pertains to the lateral projection of the facial bones? | the orbital roofs should be superimposed |
| which evaluation criterion pertains to the SMV projection for bilateral zygomatic arches? | the zygomatic arches should be free from overlying structures |
| 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 | 30 degrees caudal |
| an AP axial modified Townes is similar to the AP axial Townes except the projection for the zygomatic arches requires that what be done? | the CR is directed to the glabella |
| with reference to the IR, how should the midsagittal plane readjusted for the tangential projection demonstrating an individual zygomatic arch? | 15 degrees from perpendicular |
| to demonstrate the mandibular body with the axiolateral oblique projection, how should the patient's head be positioned? | from true lateral, rotate the head 30 degrees toward the IR |
| how many degrees and in which direction should the CR be directed for the axiolateral projection on the mandible? | 25 degrees cephalic |
| which projection is performed with the patient's head positioned true lateral and the CR directed 25 degrees cephalic? | axiolateral projection of the mandible |
| which evaluation criterion pertains to the axiolateral oblique projection of the mandible? | the opposite side of the mandible should not overlap the ramus |
| 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? | TMJ |
| how many degrees and in which direction should the CR be directed for the axiolateral oblique projection for TMJs? | 15 degrees caudal |
| for the AP axial projection of the TMJs, where should the CR be directed? | 3 inches above the nasion |
| with reference to the patient, where should the IR be centered for the axiolateral oblique projection of the TMJs? | 1/2 inch anterior to the EAM |
| which structures should always be radiographed with the patient in an upright position? | paranasal sinuses |
| which of the following is the only projection for paranasal sinuses that adequately demonstrates all four sinus groups? | lateral |
| with reference to the outer canthus, where should the central ray be directed for the lateral projections of the sinus? | posterior |
| which sinus group is of primary importance in the lateral projection of the sinus? | sphenoidal |
| which sinus groups are best demonstrated with the PA axial projection, caldwell method? | frontal and anterior ethmoidal |
| for the PA axial, caldwell projection, which positioning line in addition to the midsagittal plane should be perpendicular to the IR? | OML |
| where should the petrous ridges be seen in the image of the PA axial projection, caldwell method,of the sinuses? | lower third of the orbits |
| which positioning line should form an angle of 37 degrees with the IR for the parietalacanthial projection, Waters method? | OML |
| with reference to the IR how should the CR be directed for the waters method? | perpendicular |
| which paranasal sinus group is best demonstrated with the waters method? | maxillary sinus |
| where should the petrous ridges be seen in the image of the waters method? | below the maxillary sinus |
| where should the CR exit the head for the sinus waters method? | acanthion |
| which sinus group is not well demonstrated in the waters method? | sphenoidal |
| which two paranasal sinus groups are better demonstrated with the SMV projection than are the other sinuses? | ethmoidal and sphenoidal |
| which projection of the sinuses demonstrates a symmetric image of the anterior portion of the base of the skull? | SMV |
| in which projection of the sinuses is the IR centered to the nasion? | PA axial , caldwell method |
| in which projection of the sinuses is the mentomeatal line approximately perpendicular to the plane of the IR? | waters method |
| in which projection of the sinuses must the OML form an angle of 15 degrees with the plane of the IR? | PA axial, caldwell method |
| which evaluation criterion pertains to the lateral projection of the paranasal sinuses? | all four sinus groups should be included, the orbital roofs should be superimposed |
| which evaluation criterion pertains to the cal well method of the sinuses? | the frontal and ethmoidal sinuses should be seen, petrous ridges should lie on the lower third of the orbits |
| which evaluation criterion pertains to the waters method? | petrous ridges should lie immediately below the floor of the maxillary sinuses |
| which evaluation criterion pertains to the SMV projection for paranasal sinuses? | mental protuberance should superimpose anterior frontal bone, mandibular condyles should be anterior to the petrous ridges |
Created by:
taylos84
Popular Anatomy sets