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SKULL-
Skull
| Question | Answer |
|---|---|
| How many bones make up the cranium? | 8 |
| How many bones make up the skull? | 22 |
| What is the purpose for the cranial bones? | Protect the Brain |
| What are the fibrous joints in the skull called? | Sutures |
| Which suture is found between the frontal bone and parietal bone? | Coronal |
| Which suture is found in between the 2 parietal bones? | Sagittal |
| Which suture is found in between the temporal bone and the parietal bone? | Squamosal |
| Which suture is found in between the occipital bone and the parietal bone? | Lambdoidal |
| Which bones in the skull contain air sinuses? | Frontal, Ethmoid, Temporal, Maxilla, Sphenoid |
| Which bone in the skull has condyles that articulate with the Atlas of the Cervical spine? | Occipital |
| Which bone in the skull are the zygomatic arches part of? | Temporal |
| What are the incomplete ossifications of the skull named? | Fontanels |
| Which bone in the skull contains the auditory organ and the organs of hearing? | Temporal |
| Which canal allows for the transmission of the optic nerve and the ophthalmic artery? | Optic canal |
| The vestibulocochlear organ is the organ of what? | Balance and hearing |
| The petromastoid portion is part of what skull bone? | Temporal bone |
| The petrous portion(pyramids) is part of which bone in the skull? | Temporal |
| The tempanic membrane, the auditory tube, the auditory ossicles(malleus, incus, stapes) are part of what portion of the ear? | Middle |
| This bone situated just below the tongue is? | Hyoid Bone |
| The cochlea, the round window, the semicircular canals are all part of which portion of the ear? | Inner |
| The Glabella is part of what bone in the skull? | Frontal bone |
| The acanthion is part of what bone in the skull? | Maxilla |
| Which skull type is considered Average? | Mesocephalic |
| Which of the skull types is narrow from side to side and long from front to back? | Dolichocephalic |
| Which skull type is broad from side to side and short from front to back? | Brachycephalic |
| In a typically shaped head, the Petrous pyramids project anteriorly and medially at what angle? | 47 degrees |
| The Nasion is part of what bone of the skull? | Frontal bone |
| What is the densest bone in the skull named? | Petrous Portion(Pyramid) |
| The sella turcica is U shaped and contains what gland? | Pituitary |
| Where is the CR placed for a lateral view of the skull? | 2 in superior to the EAM |
| Which plane is Parallel to the IR for a lateral projection of the skull? | MSP |
| What parts of the skull should be superimposed on the lateral projection? | The orbital roofs, greater wings of the sphenoid, mastoid regions, EAM's and TMJ's |
| When doing an AP Caldwell projection, the CR will be directed in what way, and at what degree of angle? | Cephalad, 15 degree angle |
| What line is preferred to be perpendicular to the IR for the Townes projection? | OML |
| What is the secondary line to be used for the Townes projection if the patient can not flex their neck enough? | IOML |
| What is the degree of angle for the Townes method if the OML is used? | 30 degrees |
| What is the degree of angle for the Townes method if the IOML is used? | 37 degrees |
| Where is the CR directed on a Townes projection? | 2 1/2 inches above the Glabella and pass through the EAM |
| What structures are visible within the Foramen Magnum on a Townes projection? | The Dorsum Sellae and the Posterior Clinoid Processes |
| What projection will demonstrate the optic canal? | Rhese Method |
| Which line is perpendicular to the IR when doing a Rhese view of the orbits? | AML |
| In a Rhese view, the MSP forms a ______ degree angle to the plane of the IR. | 53 |
| What 3 parts are touching the IR on a Rhese view? Also known as a 3 point landing! | The nose, the cheek, and the chin |
| Where is the CR directed for the Rhese view? | Perpendicular, and 1 in superior and 1 in posterior to the TEA |
| What bones are part of the Calvaria? | Frontal, Occipital, Parietal |
| What bones form the Floor of the skull? | Ethmoid, Sphenoid, Temporal |
| What are the names of the Foramina that are contained within the Sphenoid bone? | Foramen Ovale, Spinosum, Rotundum, and Optic |
| The deep depression that is U-Shaped in the Sphenoid bone is called? | Sella Turcica |
| When positioning for a Caldwell projection, what parts of the patients face will touch the IR? | Nose and Forehead |
| Which projection are used to visualize the Petromastoid Portion(Mastoids)? | Modified Law, Stenvers, and Arcelin |
| The posterior portion of the skull that forms the base of the skull is named? | Occipital bone |
| What exits the Foramen Magnum? | The Medulla Oblongata and Spinal Cord |
| At the base of the Temporal bone, there is an opening that allows the Internal Carotid Artery to pass through. What is this foramen called? | Foramen Lacerum |
| When doing a PA Caldwell projection, The CR will be directed where, and at what angle? | CR Exits the Nasion at a 15 degree angle Caudad |
| What line is Perpendicular to the IR on the PA Caldwell? | OML |
| When doing a PA Skull, where is the CR directed and at what angle? | CR directed to exit the Nasion and no angle |
| When looking at a Rhese projection image, the optic foramen will be where on the image? | In the lower lateral 1/3 corner of the orbit |
| Which orbit is being visualized when doing the Rhese projection? | The one closest to the film |
| The Zygomatic process is part of what bone? | Temporal bone |
| How many facial bones are there? | 14 |
| What is the name of the junction between the Lambdoidal and Sagittal sutures? | Lambda |
| What is the name of the junction between the Coronal and Sagittal sutures? | Bregma |
Created by:
radgirl37
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