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Midterm positioning
| Question | Answer |
|---|---|
| All of the following are facial bones except. ( ethmoid, mandible, maxillae, zygomatic) | Ethmoid |
| What bones contain air cells | Ethmoid, frontal, sphenoid |
| Which bones have condyles that articulate with the atlas of the cervical spine | Occipital |
| Zygomatic arches are part of which bone | Temporal bone |
| Which bone of the skull contains the auditory organs( organs of hearing) | Temporal bone |
| The vestibular cochlear organ is the organ of what | Hearing and balance |
| Which of the following is located in the middle ear | Tympanic membrane |
| Which of the following is located in the inner ear | Semicircular canals |
| This is the largest most dense bone n the face | Mandible |
| Small u shaped structure situated at the base of the tongue is the | Hyoid bone |
| Typically shaped head at the Petrous pyramids projected anteriorly and medially at what angle | 47 degrees from the midsagittal plane of the skull |
| What is the typically shaped head called | Mesocephalic skull |
| The type of skull hat is short front to back, broad side to side, and has a shallow vertex to base | Brachycephalic skull |
| The type of skull that is long front to back, narrow side to side, and deep vertex to base is | Dolichocephalic skull |
| Which plane f the head is placed parallel to the plane of the IR for he lateral projection of the skull | Midsagittal |
| For a lateral skull projection the IR and central ray are placed in what relation to the EAM | 2 inches above |
| 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 |
| What should be superimposed on the lateral projection of the skull | Orbital roofs, EAMs, and temporal mandibular rami joint |
| What is the angle for a PA axial Caldwell projection | 15 degrees caudal |
| What is perpendicular to the plane of the IR on the Caldwell projection of the skull | Orbitalomeatal line |
| 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 |
| What line is perpendicular to the IR in the Townes projection | OML |
| 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 |
| What is true regarding the AP axial skull projection on where you place the IR | Level of cranium |
| If the IOML line is perpendicular during the Townes what is the CR angle | 37 degree caudal |
| What is demonstrated on the AP axial Townes projection | Dorsae sellae, posterior cliniod process |
| What is the CR angle during an AP axial Townes to demonstrate the entire foremen magnum | 40-60 degrees caudal |
| Which method will clearly demonstrate he petrous ridges, dorsa sellae, posterior cliniod processes | Haas, Townes |
| How many bones are in the skull | 22 |
| The bony orbits are composed of how many bones | 7(3 cranial, 4 facial) |
| For the SMV projection of the cranial base the CR should always be perpendicular to what | IOML |
| The PA axial Caldwell projection what part of the patient should be touching the table | Nose and forehead |
| For the AP axial Townes projection what is demonstrated | Petrous ridge, occipital bone, posterior portion of the foremen magnum |
| Which line should be placed parallel to the plane of the IR during the SMV projection at the cranial base | IOML |
| What s the CR angle for the SMV projection of the skull | Perpendicular /0 degrees |
| Which radiographic demonstrates the mastoid process, sphenoid process, and carotid canals | SMV |
| Which projection demonstrates the cranial base | SMV |
| Which bone contains the pituitary gland | Sphenoid |
| Which of the following foramina is found in the sphenoid bone | Foramina rotundum, and optic foramina |
| What forms the roof of the mouth | Palentine and maxillae |
| What type of joint is the TMJ | Synovial, hinge and gliding |
| Superior aspect which contains deep depressions called sellae turica is the | Sphenoid bone |
| Large aperture in the occipital bone that allows the medulla oblongta and spinal cord to exit is | Foremen magnum |
| The base anterior portion of the occipital bone contains two large openings that allow blood vessels to pass through are called | Jugular foremen |
| Thickest and densest portion of bone in the cranium is | Petrous portion of the temporal bones |
| The base of the temporal bone contains an opening in which the net renal corodid artery passes through is the | Foremen lacerum |
| Which of the facial bone contains the foremen in which the tear duct passes | Lacrimal bone |
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atesta0824
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