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Skull Facial Bones

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Question
Answer
show Cranial bones (8) & Facial bones (14) Total= 22  
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What are the 2 divisions of the Cranial bones?   show
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show Frontal; Occipital; R. & L. Parietal  
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Name the 4 Floor Cranial bones:   show
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What is the composition of the Calvarium Bones:   show
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What are the 3 regions of the Floor of the Skull? How are they divided?   show
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show The Petrous Ridges on the Temporal Bone  
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Name the 14 Facial Bones:   show
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Do the 2 Nasal bones articulate with the Lacrimal bones?   show
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show The 2 Maxilla bones  
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show The R. & L. Zygomatic bones (Lateral to the Maxilla & part of the lateral orbit; has 3 processes)  
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show The nasal conchae warm/cool the air--look like scrolls The Inferior Nasal Conchae are considered facial bones (while the Mid & Superior are considered Cranial--part of Spheniod bone)  
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show Just anterior to the soft palate ("L" shaped)  
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show Meets with the Maxilla in the front & the Ethmoid Perpendicular Plate in the back  
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show Structural=Fibrous (immoveable) Functional=Synarthroidal  
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What are sutures?   show
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What are the 5 main sutures of the skull?   show
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What are the 6 Sutural Junctions?   show
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What are Fontanels? How many?   show
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show 12 years old  
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show age 1-5  
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show Anterior (Bregma) Posterior (Lambda) 2 Mastoid (Asterion) 2 Sphenoidal (Pterion)  
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What are the 3 temporary sutures in infants visible on radiographs?   show
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show Dehydration or drop in BP  
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What does it mean if an infant's fontanels are bulging?   show
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What is Craniostosis ("Cloverleaf")?   show
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What is Acephalus?   show
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What is Dicephalus or Bicephalus?   show
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What is Macrocephalus?   show
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show Water in the head.  
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show Small head--can be caused by craniostosis.  
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show Deviation in the palatine bone (no bone).  
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show Extends from the anterior frontal bone to the lesser wings of the sphenoid. Houses the frontal lobes of cerebrum  
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show Extends from the lesser wings of the sphenoid to the apices of the petrous ridges/pyramids (part of temporal bone). It houses the temporal lobes (lots of foramen, cortex, pituatary gland)  
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Describe the Posterior Cranial Fossa & what it contains:   show
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show Frontal (anterior); 2 Lateral; Posterior (occipital); Vertex (crown--from top looking down); Basal (Inferior surface--looking up from underneath)  
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What is morphology?   show
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show Mesocephalic: Petrous Pyramids project anteriorly & medially 47° from MSP (Petrous pyramids=thickest portion of skull --on temporal bone)  
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show Petrous pyramids project anteriorly & medially 54° from MSP (Football head/wide-side to side) (+7 of typical)  
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Describe the Dolichocephalic skull:   show
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Why must skull morphology be considered in positioning?   show
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Define Vomer:   show
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show Tear  
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show Tooth socket (or air sac in lung)  
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When discussing a bone, what does sagittal refer to?   show
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show 1. To provide structure, shape, & support for the face. 2. Form protective housing for upper ends of Respiratory & Digestive tracts.  
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Which skull suture is a pair?   show
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Which 2 sutural junctions are pairs?   show
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