Skull, Cranial Bones, facial and sinus
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| How many cranial bones are there | show 🗑
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| How many facial bones are there | show 🗑
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| The eight bones of the cranium are divided into what two areas | show 🗑
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| What are the four bones of the calvaria (skullcap) | show 🗑
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| What are the four bones of the floor | show 🗑
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| Viewed from the front, the bone of the calvaria that is most readily visible is the | show 🗑
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| What are the two main parts of the frontal bone | show 🗑
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| Smooth, raised prominence between the eyebrows just above the bridge of the noise | show 🗑
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| Slight depression above each eyebrow and corresponds to the floor of the anterior fossa of the cranial vault. | show 🗑
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| show | Supraorbital margin (SOM)
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| show | Supraorbital notch
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| On each side of the squamous portion of the frontal bone above the supraorbital grove is a larger rounded prominence | show 🗑
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| show | orbital plate
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| show | ethmoidal notch
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| The small horizontal plate of the ethmoid. | show 🗑
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| show | Perpendicular plate
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| A structure found in the middle of the sphenoid bone that surrounds the pituitary gland is the | show 🗑
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| show | Dorsum sellae
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| show | Optic foramen
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| Which structures of the sphenoid bone help form part of the lateral walls of the nasal cavities | show 🗑
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| Which radiographic cranial position best demos the sella turcica | show 🗑
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| Which aspect of the frontal bone forms the superior aspect of the orbit | show 🗑
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| Cranial sutures are classified as being _____ joints | show 🗑
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| show | Sutural or Wormain, lambdoidal
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| show | Supraorbital margin (SOG)
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| show | Ethmoidal notch
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| show | Right and left parietals
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| Which cranial bone contains the foramen magnum | show 🗑
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| A small prominence located on the squamous portion of the occipital bone is called the | show 🗑
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| What is the name of the oval processes found on the occipital bone that help form the occipito-atlantal joint | show 🗑
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| List the three aspects of the temporal bones | show 🗑
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| (True/False) The mastoid portion of the temporal bone is the densest of the three aspects of the temporal bone | show 🗑
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| Which external landmark corresponds with the level of the petrous ridge | show 🗑
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| Which opening in the temporal bone serves as a passageway for nerves of hearing and equilibrium | show 🗑
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| List the three aspects of the temporal bone | show 🗑
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| show | Petrous portion
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| show | Auricle or pinna
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| How long is the average external acoustic meatus (EAM) | show 🗑
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| show | Tympanic membrane (eardrum)
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| show | Auditory ossicles
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| show | Eustachian or auditory tube
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| show | To equalize the atmospheric pressure within the middle ear
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| Which structure serves as an opening between the mastoid portion of the temporal bone and the middle ear | show 🗑
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| What is the name of the thin plate of bone that separates the mastoid air cells from the brain | show 🗑
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| show | Malleus
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| Which one of the auditory ossicles is considered to be the smallest | show 🗑
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| Which one of the auditory ossicles resembles a premolar tooth | show 🗑
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| show | Oval or vestibular window
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| show | Hearing and Equilibrium
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| What is the name of the small membrane that will move outward to transmit impulses to the auditory nerve, thus creating the sense of hearing | show 🗑
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| show | Sphenoid
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| (True/False) The cochlea is closed system relating to the sense of hearing | show 🗑
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| show | Occipital
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| Which aspect of the frontal bone is thin-walled and forms the forehead? (Orbital, Horizonal, Squamous, Superciliary margin) | show 🗑
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| show | Rt and Lt parietals, sphenoid and ethmoid
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| show | Parietal tubercles or eminences
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| show | Petrous portion or petrous pyramids
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| (True/False) The sphenoid bone articulates with all the other cranial bones | show 🗑
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| show | Clivus
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| What is the name of the paired collections of bone found inferior to the cribriform plate that contain numerous air cells and help form the lateral walls of the nasal cavity | show 🗑
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| show | Pterygoid processes or plates
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| Which small section of bone is located superior to the cribriform plate | show 🗑
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| show | Left pterion
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| What is the name of the cranial suture formed by the inferior junction of the parietals to the temporal bones | show 🗑
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| show | Sutural or wormian bones
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| Structures related to cranial bone: Pterygoid hamulus | show 🗑
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| show | Sphenoid
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| show | Frontal
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| show | Sphenoid
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| Structures related to cranial bone: Perpendicular plate | show 🗑
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| Structures related to cranial bone: Superior nasal conchae | show 🗑
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| show | Occipital
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| Extending anteriorly from the squamous portion of the temporal bone is an arch of bone termed the | show 🗑
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| Extending medially and downward from the medial wall of each labyrinth are thin scroll shaped projections of bone called | show 🗑
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| The anterior fontanel is the largest and it does not completely close until about ___ months | show 🗑
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| show | tympanic membrane, auditory ossicles and the tympanic cavity
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| show | Eustachian tube
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| show | cochlea
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| show | MRI
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| show | horizontal ray
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| In a AP axial projection _____ will project the anterior arch of C1 into the foramen magnum rather than the dorsum sellae | show 🗑
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| show | Tilt
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| What is the thyroid does for a SMV projection | show 🗑
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| show | a point 3/4" anterior and 3/4" superior to the EAM
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| For a AP axial projection for the sella turcica what CR angle is used if the anterior clinoids are of primary interest | show 🗑
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| show | Middle nasal conchae
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| show | Maxillae
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| List the four processes of the maxilla | show 🗑
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| Of the four processes of the maxilla which one is most superior | show 🗑
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| Which soft tissue landmark is found at the base of the anterior nasal spine | show 🗑
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| show | Horizontal portion of palatine
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| Which two cranial bones articulate with the maxilla | show 🗑
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| show | Zygomatic
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