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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| show | Calvaria and the floor
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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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| The _____ on each side forms the superior part of each orbit | show 🗑
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| show | ethmoidal notch
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| show | Cribriform plate
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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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| Which structure of the sphenoid bone allows for the passage of the optic nerve and is the actual opening for the orbit | show 🗑
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| show | Medial and lateral pterygoid processes
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| show | lateral
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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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| Small irregular bones that sometimes develop in adult skull sutures are called _____ or _____ bones and are most frequently found in the _______ suture. | show 🗑
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| Which term describes the superior rim of the orbit | show 🗑
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| What is the name of the notch that separates the orbital plates from each other | show 🗑
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| Which cranial bones from the upper lateral walls of the calvarium | show 🗑
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| show | Occipital
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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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| show | Squamous, mastoid, and petrous
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| show | False (petrous portion)
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| Which external landmark corresponds with the level of the petrous ridge | show 🗑
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| show | Internal acoustic meatus
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| show | Squamous, mastoid and petrous
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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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| What is the collective term for the small bones of the middle ear | show 🗑
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| Which structure allows for communication between the nasopharynx and middle ear | show 🗑
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| What is the major function of the auditory tube | show 🗑
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| show | Aditus
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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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| Which two sensory functions occur occur within the inner ear? | show 🗑
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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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| Because of its central location, the ______ articulates with all seven of the other cranial bones | show 🗑
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| show | True
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| Which one of the following bones is not part of the floor of the cranium? (Temporal, Ethmoid, Occipital, Sphenoid) | show 🗑
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| show | Squamous
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| Which four cranial bones articulate with the frontal bone | show 🗑
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| show | Parietal tubercles or eminences
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| show | Petrous portion or petrous pyramids
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| show | True
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| The shallow depression just posterior to the base of the dorsum sellae and anterior to the foramen magnum is the | show 🗑
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| show | Lateral labyrinth or masses
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| Form a part of the lateral walls of the nasal cavities | show 🗑
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| show | Crista galli
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| show | Left pterion
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| show | Squamosal suture
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| What are the two terms for the small, irregular bones found in the adult skull sutures | show 🗑
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| show | Sphenoid
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| Structures related to cranial bone: Anterior Clinoid processes | show 🗑
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| show | Frontal
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| Structures related to cranial bone: Foramen ovale | show 🗑
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| show | Ethmoid
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| show | Ethmoid
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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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| show | superior and middle nasal conchae
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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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| The ______ is the passageway between the middle ear and the nasopharynx | show 🗑
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| Part of the internal ear that relates to the sense of hearing | show 🗑
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| show | MRI
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| Air fluid level in the sphenoid sinus if a ______ is used for the lateral view. | show 🗑
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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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| In a lateral position ____ is evident by superior and inferior separation of symmetric horizontal structures such as the orbital roofs | show 🗑
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| What is the thyroid does for a SMV projection | show 🗑
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| On the lateral position for a sella turcica where is the CR centered to | show 🗑
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| show | 30 degree caudad
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| Which of the following bones is not a facial bone? (middle nasal conche, vomer, lacrimal bone, mandible) | show 🗑
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| What is the largest immovable bone of the face? | show 🗑
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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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| Which facial bones form the posterior aspect of the hard palate | show 🗑
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| show | Frontal and ethmoid
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| Which facial bones are sometimes called the "cheek bones" | show 🗑
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