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Chapter 13bontrager
Facial bones and paranasal sinuses
| Question | Answer |
|---|---|
| The largest immovable bone of the face | Maxilla |
| Four processes of the maxilla | Frontal, palatine, alveolar, zygomatic |
| Most superior process of last mentioned ? | Frontal process |
| Which soft tissue landmark is found at the base of the anterior nasal spine | Acanthion |
| Which facial bone form the posterior aspect of the hard plate | Horizontal potion of palatine bone |
| Which two cranial bones articulate with maxilla | Frontal and ethmoid |
| Which facial bone are sometimes called " cheek bone" | Zygomatic |
| Which facial bone is associated with tear duct | Lacrimal bone |
| The purpose of the ...... ,or ........., is to divide the basal cavity into compartments and circulate air coming into the vassal cavities. | Conchae, turbinate |
| The if the nose is formed by the right and left nasal conchae T/F | False: most of nose is formed by cartilage |
| A deviated nasal septum is most likely to occur at the junction between ........, .......... | Septal cartilage and vomer. |
| Matching next 8 question: mandibular terms Gonion: | Mandibular angle |
| Mandibular notch | U-shaped notch |
| Body | Horizontal portion of mandible |
| Condyloid process | Posterior process of upper ramus |
| Coronoid process | Biny process located anterior to mandibular notch |
| Ramus | Vertical portion of mandible |
| Mentun | The chin |
| Symphysis menti | The point of union between both halves of the mandible |
| From anterior to posterior the cone shaped orbits project upward at an angle ........... and toward midsagital plane at an angle of ......... | 30degree, 37 degree |
| Which facial bone opening has the maxillary branch of the fifth cranial nerve passing through it | Inferior orbital fissure |
| Which One of the facial bone openings is formed bully a cleft between the greater and lesser wing of the aphenoidbobe | Superior orbital fissure |
| What is anotherterm for the secOnd cranial nerve | Optic nerve |
| What is the older term for the second cranial nerve | Antrum if highmore |
| "free floating" zygomatic bon is the result if what fracture | Tripod fracture |
| an infection of the teeth may travel upward and involve the ...... Sinus | Naxillary sinus |
| What is the major disadvantage if performing a straight PA projection for facial bones, with no angle or neck extension, as compared with other projection | Tge dense petrous ridges will superimpose the orbits and Obsure facial bones |
| Where is te CR centers for lateral facial bone | Zygoma |
| What us the proper method name for the parietoacanrhial projection of the facial bone | Waters |
| Which facial bone structure are best seen with a parietoacanthial projection | Infraorbiral rims, maxilla, zygomatic bone, bony nasal septum |
| The common basic PA axial projection for facial bones require a 15defree caused angle which projects the dense petrous ridges into the lower one-third of the orbits T/F | True |
| Nuclear medicine is not helpful in diagnosing occult facial bone fracture | False: it us used for that |
| What us the name of the fracture that result from a direct blow to the orbits leading to a disruption of the inferior orbital margin | Blow-out fracture |
| A "free -floating" zygomatic bone is the frequent result of a ...... Fracture | Tripid fracture |
| What CR angle must bemused to project the petrous ridges just below the orbital flOor with the PA axial (Caldwell method) projection | 30degree |
| Whic structures specifically are visualized better on the modified parietoacanthial (water) projection as compared with the basic waters projection? | Orbital rims, orbital floors |
Created by:
zidox
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