Skull, Facial, Sinus
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| A line between the glabella and alveolar process of the maxilla | GAL- Glabelloaveolar Line
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| A line between the infraorbital margin and the EAM | IOML- Infraorbitomeatal Line
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| A line between the mental point and EAM | MML- Mentomeatal Line
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| A line between the midlateral orbital margin and the EAM | OML- Orbitomeatal Line
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| A line that is used in positioning to ensure that the skull is in a true lateral | LML- Lips-Meatal Line
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| A small prominence located on the squamous portion of the occipital bone | EOP- External Occipital Protuberence
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| A smooth slightly depressed area between the eyebrows | Glabella
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| Another name for the cranial nerve | Optic Nerve
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| Anterior | Bregma
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| T/F: AP Axial(Towne) skull results in about 10 times more dose to the thyroid than the PA Axial(Haas) | True
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| Auditory ossicle attaches to the oval window | Stapes
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| Benign cystlike mass in teh middle ear | Cholesteatome
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| Bilateral Zygomatic Arches are best seen in which projection | SMV- Submentovertex
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| Mandibular Body | Horizontal portion of the mandible
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| Bone tumor that originates in the bone marrow | Multiple Myeloma
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| Brachyocephalic | Skull width 80% or more than length
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| Center point of the EAM | Auricular Point
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| Collective term for the small bones of the middle ear | Auditory Ossicles
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| Condyloid Process | Posterior process of the upper ramus
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| Coronoid Process | Bony process located anterior the mandibular notch
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| Corresponds to the highest "nuchal" line of the occipital bone | Inion
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| Corresponds to the highest level of the facial bone mass | SOG- Supraorbital Groove
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| Corresponds to the level of the petrous ridge | TEA- Top of Ear Attachment
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| Another name for Hypophysis | Pituitary Gland
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| Infection of the teeth may travel upward into the | Maxillary Sinus
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| Large cartilaginious aspect of the external ear | Pinna
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| Largest moveable facial bone | Maxilla
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| Latereral junction of the eye lid | Outer Canthus
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| T/F: Lateral nasal bones are usally done bilaterally | True
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| Left sphenoid fontanel in an adult | Left Pterion
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| Located at the junction of the two nasal bones and the frontal bone | Nasion
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| The shape of the mandibular notch | U-Shaped
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| The mentum is also known as | The Chin
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| Mesocephalic | Skull width between 75% and 80% of length "normal skull"
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| The name of the passageway between the maxillary and middle nasal meatus | Infundibulum
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| Name of the paired collections of bone found inferior to the cribiform plate that contain numerous air cells and help form the lateral walls of the nasal cavity | Lateral Labyrinth or Masses
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| Name of the small membrane that connects the middle ear to the inner | Oval or Vestibular Window
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| Name of the suture formed by inferior junction of the parietals to the temporal bones | Squamosal
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| Name of the thin plate of bone that separates the mastoid air cells from the tympanic membrane | Tegmen Tympani
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| T/F: Otoscleroisis is hereditary | True
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| Perpendicular Plate, Superior Nasal Conchae, and Cribiform Plate articulate with | Ethmoid Bone
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| Petrous Ridge, Zygomatic Processes articulate with | Temporal Bone
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| Posterior fontenel of the occipital bone | Lambda
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| Posterior angle of the jaw | Gonion
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| Proliferative bony lesion of increased density | Osteoblastic Neoplasm
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| Pterygoing Hamulus, Anterior Clinoid, Foramen Ovale, Sella Turcica articulate with | Occipital Bone
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| The purpose of the conchae or turbinates is | To divide the nasal cavity into compartments and and circulate air coming into the nasal cavity
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| The Right and Left mastoid fontenel | Asterion
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| The Right and Left sphenoid fontenel | Pterion
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| What is the ramus | Vertical portion of the mandible
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| Shallow depression just posterior to the base of the dorsum dellae and anterior to the foramen magnum | Clivus
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| Skull classification applies to an angle with 54 degrees between the MSP and the long axis of the pars petrosa | Brachycephalic
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| Small cartilaginous flap covering the opening of the ear | Tragus
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| Small horizontal plate of the ethmoid | Cribiform Plate
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| Small irregular bones that sometimes develope in an adult skull | Sutural or wormian(usually found in the lamboidal suture)
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| Small membrane that will move outward to transmit impulses to the auditory nerve creating hearing? | Round or Cochlear Window
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| Small section of bone located superior to the cribiform plate | Crista Galli
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| Soft tissue landmark found at the base of teh anterior nasal spine | Acanthion
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| Structure found in the middle of the sphenoid bone that surrounds the pituitary gland | Sella Turcica
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| Symphysis ment | The point of union between halves of the mandible
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| Tear ducts | Lacrimal
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| The aditus is an opening between the epitympanic and the _____ of the temporal bone | Mastoid
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| T/F: The cochlea is a closed system relating to the sense of hearing | True
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| T/F: The sphenoid bone articulates with all the other cranial bones | True
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| T/F: There is a 7-8 degree difference between the OML and IOML lines, and 7-8 degree between it OML and GML | True
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| Thinnest part of the temporal bone | Squamous
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| Vertical plate of the ethmoid bone | Perpendicular Plate
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| Three aspects of the temporal bone | Squamous, Mastoid, and Petrous
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| Tumer that may produce erosion of the selle turcica | Pituitary Adenoma
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| Untreated infection of the mastoid cells | Encephalitis
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| What external landmark corresponds with the leval of the ptrous ridge | TEA- Top of Ear Attachment
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| What is the major function of the eustacian structure | Equalize atmospheric pressure in the middle ear
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| What is the name of the notch that separates the orbital plates from each other | Ethmoidal Notch
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| What is the name of the oval proceses found on the occiptial bone that helps form the occipito-atlantal joint | Occipital Condyles or Lateral Condylar Portion
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| What part of the temporal bone contains the organs of hearing and balance | Petrous
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| What structure allows for the communication between the nasopharynx and middle ear | Eustachian
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| What structure of the sphenoid bone allows for the passage of the optic nerve | Optic Foramen
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| What structure serves as an opening between the mastoid portion of the temporal bone and the middle ear | Aditus
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| What term describes the superior rim of the orbit | SOM- Supraorbital Margin
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| Which aspect of the frontal bone forms the superior aspect of the orbit | Orbital or Horizontal
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| Which aspect of the temperal bone is the densest | Petrous Portion
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| Which auditory ossicles looks like a tooth | Incus
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| Which auditory ossicles picks up vibration | Malleus
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| Which bone contains the foramen magnum | Occipital Bone
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| Which cranial bones form the upper lateral walls of the calvarium | Right and Left Parietals
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| Which facial bone forms the posterior aspect of the hard palate | Horizontal portion of the palatine bone
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| Which facial bone has the maxillary branch of the fifth cranial nerve passing through it | Inferior Orbital Fissure
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| Which one of the auditory ossicles is consideered to be the smallest | Stapes
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| Which one of the facial bone opening is formed by a cleft between the greater and lesser wings of the sphenoid | Superior Orbital Fissure
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| Which opening in the temporal bone serves as a passageway for nerves of hearing and equilibrium | Internal Acoustic Meatus
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| Which part of the middle ear is the most lateral | Malleus
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| Which small membrane marks the begining of the middle ear | Tympanic Membrane
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| Which structures make up the carilaginious external ear | Aurcle or Pinna
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| Which structures of the sphenoid bone help form part of the lateral walls of the nasal cavity | Medial and Lateral Pterygoid
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| Which two sensory functions occur within the inner ear | Hearing and Equilibrium
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| Widest part of the skull | Parietal Tubercles
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