Midterm positioning
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
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| All of the following are facial bones except. ( ethmoid, mandible, maxillae, zygomatic) | Ethmoid
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| What bones contain air cells | Ethmoid, frontal, sphenoid
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| Which bones have condyles that articulate with the atlas of the cervical spine | Occipital
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| Zygomatic arches are part of which bone | Temporal bone
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| Which bone of the skull contains the auditory organs( organs of hearing) | Temporal bone
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| The vestibular cochlear organ is the organ of what | Hearing and balance
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| Which of the following is located in the middle ear | Tympanic membrane
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| Which of the following is located in the inner ear | Semicircular canals
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| This is the largest most dense bone n the face | Mandible
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| Small u shaped structure situated at the base of the tongue is the | Hyoid bone
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| Typically shaped head at the Petrous pyramids projected anteriorly and medially at what angle | 47 degrees from the midsagittal plane of the skull
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| What is the typically shaped head called | Mesocephalic skull
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| The type of skull hat is short front to back, broad side to side, and has a shallow vertex to base | Brachycephalic skull
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| The type of skull that is long front to back, narrow side to side, and deep vertex to base is | Dolichocephalic skull
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| Which plane f the head is placed parallel to the plane of the IR for he lateral projection of the skull | Midsagittal
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| For a lateral skull projection the IR and central ray are placed in what relation to the EAM | 2 inches above
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| What is true regarding the lateral projection of the skull | Interpupillary line is perpendicular to the IR and the midsagittal plane is placed parallel to the IR
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| What should be superimposed on the lateral projection of the skull | Orbital roofs, EAMs, and temporal mandibular rami joint
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| What is the angle for a PA axial Caldwell projection | 15 degrees caudal
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| What is perpendicular to the plane of the IR on the Caldwell projection of the skull | Orbitalomeatal line
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| If you can not turn the patient the typical way for the Caldwell and you put them in the supine position what would the CR angle be | 15 degrees cephalad
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| What line is perpendicular to the IR in the Townes projection | OML
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| If you can not get the neck flexed enough in the Townes projection what line should be placed perpendicular to the IR | IOML 37 degree angle
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| What is true regarding the AP axial skull projection on where you place the IR | Level of cranium
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| If the IOML line is perpendicular during the Townes what is the CR angle | 37 degree caudal
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| What is demonstrated on the AP axial Townes projection | Dorsae sellae, posterior cliniod process
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| What is the CR angle during an AP axial Townes to demonstrate the entire foremen magnum | 40-60 degrees caudal
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| Which method will clearly demonstrate he petrous ridges, dorsa sellae, posterior cliniod processes | Haas, Townes
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| How many bones are in the skull | 22
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| The bony orbits are composed of how many bones | 7(3 cranial, 4 facial)
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| For the SMV projection of the cranial base the CR should always be perpendicular to what | IOML
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| The PA axial Caldwell projection what part of the patient should be touching the table | Nose and forehead
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| For the AP axial Townes projection what is demonstrated | Petrous ridge, occipital bone, posterior portion of the foremen magnum
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| Which line should be placed parallel to the plane of the IR during the SMV projection at the cranial base | IOML
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| What s the CR angle for the SMV projection of the skull | Perpendicular /0 degrees
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| Which radiographic demonstrates the mastoid process, sphenoid process, and carotid canals | SMV
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| Which projection demonstrates the cranial base | SMV
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| Which bone contains the pituitary gland | Sphenoid
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| Which of the following foramina is found in the sphenoid bone | Foramina rotundum, and optic foramina
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| What forms the roof of the mouth | Palentine and maxillae
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| What type of joint is the TMJ | Synovial, hinge and gliding
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| Superior aspect which contains deep depressions called sellae turica is the | Sphenoid bone
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| Large aperture in the occipital bone that allows the medulla oblongta and spinal cord to exit is | Foremen magnum
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| The base anterior portion of the occipital bone contains two large openings that allow blood vessels to pass through are called | Jugular foremen
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| Thickest and densest portion of bone in the cranium is | Petrous portion of the temporal bones
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| The base of the temporal bone contains an opening in which the net renal corodid artery passes through is the | Foremen lacerum
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| Which of the facial bone contains the foremen in which the tear duct passes | Lacrimal bone
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