RAD 160 Skull
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| How many bones make up the cranium? | show 🗑
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| The cranial bones are ridgedly jointed together by articulations called? | show 🗑
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| Which skull suture is found between the frontal and parietal bones? | show 🗑
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| show | temporal
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| show | temporal
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| The largest and most dense bone in the face is? | show 🗑
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| Which skull type is narrow from side to side? | show 🗑
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| Which is located in the middle ear? cochlea, bony labyrinth, tympanic membrane, EAM | show 🗑
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| show | semicircular canals
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| show | 1,2 & 3
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| show | Caldwell
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| What line is perpendicular to the plane of the IR for Caldwell projection of skull? | show 🗑
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| show | 15 cephalad
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| show | OML or IOML
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| If the IOML is perpendicular to the IR for AP axial (Towne), how much should the CR be angled? | show 🗑
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| show | dorsum sellae and posterior clinoid processes
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| What is the CR angulation for demonstration of entire foramen magnum during AP axial (Towne)? | show 🗑
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| show | 1 & 2
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| show | 25 cephalad
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| Which line should be parallel to the IR for the SMV? | show 🗑
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| show | SMV
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| show | frontal, 2 parietals, occipital
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| The 6 areas of incomplete ossification in a newborn skull are called? | show 🗑
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| The opening into the apex of the orbit for transmission of optic nerve and opthalmic artery is? | show 🗑
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| show | 1 & 3
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| show | jugular foramen
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| Which facial bone contains a foramen through which the tear duct passes? | show 🗑
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| show | maxillae and palatine
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| Which parts of the patient's face touch the IR for the PA axial (Caldwell)? | show 🗑
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| What type of joint is the TMJ? | show 🗑
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| show | sphenoid
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| For the lateral projection of facial bones, the CR will enter where? | show 🗑
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| show | Waters view
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| show | 37
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| show | 55
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| show | MML
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| show | 1,2 & 3
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| show | 2 & 3
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| For the tangential projection of zygomatic arches, the head is positioned so MSP is? | show 🗑
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| show | 15 degrees away from side being examined
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| show | IOML
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| show | 30 degrees caudad
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| show | tip of nose
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| show | 25 cephalad
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| show | 15 caudad
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| At what level is the CR for the tangential zygomatic arches? | show 🗑
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| Which projections demonstrate ethmoidal sinuses? | show 🗑
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| Which sinuses are developed at birth and visible radiographically? | show 🗑
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| show | inferior to the floor of the maxillary sinuses
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| The largest sinus the? | show 🗑
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| Which sinus is directly below the sella turcica? | show 🗑
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| Which sinus group is between the vertical plates of the frontal bone? | show 🗑
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| show | ethmoidal
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| show | demonstrate air/fluid levels
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| For lateral paranasal sinuses, where is the CR directed? | show 🗑
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| show | PA axial (Caldwell)
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| Which sinus group is projected through the open mouth in the open mouth Waters method? | show 🗑
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| For the open-mouth Waters method, the CR should exit where? | show 🗑
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| Which sinus is immediately below the sella turcica? | show 🗑
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| show | 1,2 & 3
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| Which projections best demonstrate frontal and anterior ethmoidal sinuses? 1) PA 2) Waters 3) Caldwell | show 🗑
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| What is projected below the maxillary sinuses for the Waters method? | show 🗑
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| The Waters method of the sinuses requires OML is placed how many degrees from the plane of the IR? | show 🗑
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| What projection best demonstrates the maxillary sinuses? | show 🗑
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| show | 2 & 3
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| show | 3/4" anterior to EAM
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| Which projections demonstrate ethmoidal sinuses? 1) Lateral 2) Caldwell 3) SMV | show 🗑
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| show | suspended
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| Where is the IR centered for Waters projection of sinuses? | show 🗑
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| show | 15 degrees caudad
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| show | IOML
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| Which foramina are demonstrated in the orbit on a Waters image? | show 🗑
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| show | IPL perpendicular, IOML parallel to transverse axis
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| Where is CR directed for Lateral skull? | show 🗑
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| Where is IR centered for PA skull? | show 🗑
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| show | OML perpendicular
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| How and where is CR directed for PA axial (Caldwell) skull? | show 🗑
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| show | on MSP of throat between angles of mandible, passing 3/4" anterior to EAM
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| show | ovale and spinosum
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| show | perpendicular to lateral surface of zygoma, entering between outer canthus & EAM
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| What are the positioning lines in reference to the IR for Parietoaanthial facial bones? | show 🗑
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| show | 30 degrees caudad
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| How and where is the CR directed for lateral nasal bones? | show 🗑
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| show | perpendicular to IOML on MSP of throat 1" posterior to outer canthus
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| For AP axial (modified Towne) of zygomatic arches, where is the CR directed? | show 🗑
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| show | perpendicular, exiting acanthion
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| show | OML
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| show | 20-25 cephalad, exiting acanthion
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| show | rotated 30 degrees toward the IR
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| show | true lateral, rotated 30 degrees toward IR, rotated 45 degrees toward IR
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| show | 25 degrees cephalad through the area of interest
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| What positioning line is used for AP axial TMJs? | show 🗑
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| How and where is CR directed for AP axial TMJs? | show 🗑
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| show | 1/2" anterior to EAM
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| For Axiolateral oblique TMJs, how should MSP of head be positioned? | show 🗑
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| What are the positioning lines in reference to the IR for Axiolateral oblique TMJs? | show 🗑
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| How and where is CR directed for Axiolateral oblique TMJs? | show 🗑
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| Which sinus groups are demonstrated in Lateral sinus projections? | show 🗑
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| Which sinus groups are demonstrated in the PA axial (Caldwell)? | show 🗑
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| show | lacrimal
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| What are the largest immovable facial bones? | show 🗑
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| show | maxilla
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| show | vomer & mandible
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| show | vomer
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| What is the overall largest and densest facial bone? | show 🗑
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| How many cranial and facial bones make up the orbits? | show 🗑
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| show | ethmoid, sphenoid, 2 temporal
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| show | squamosal
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| show | lambdoidal
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| What angle are the petrous pyramids in a mesocephalic skull? Brachycephalic? Dolichocephalic? | show 🗑
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| Which bone contains the supraorbital foramina? | show 🗑
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| show | ethmoid
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| show | ethmoid
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| Which bone contains the crista galli? | show 🗑
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| Which bone has two lateral masses called labyrinths? What is in them? | show 🗑
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| What bony prominences are used to measure the skull width in order to set a proper technique? | show 🗑
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| Which bone contains the pterygoid processes? | show 🗑
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| show | tuberculum sellae & dorsum sellae
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| Where are the posterior clinoid processes? | show 🗑
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| show | foramina spinosum, ovale, rotundum
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| What is another name for the internal and external occipital protuberance? | show 🗑
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| show | medulla oblongata
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| Which bone has a styloid process? | show 🗑
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| show | temporal
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| What do the articular tubercle and mandibular fossa form? | show 🗑
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| What are the 3 auditory ossicles? | show 🗑
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