Name Section UNIT Date REVIEW Check Your Understanding Critical Thinking and App
ID: 3475990 • Letter: N
Question
Name Section UNIT Date REVIEW Check Your Understanding Critical Thinking and Application Questions 1 Which bones potentially could be involved in a fracture of the orbit? Why do you think orbital fractures are often difficult to fixate surgically with screws and plates? 2 Your friend has suffered a "broken nose." Which bones potentially could be involved in a fracture involving the nose and the nasal cavity? 3 The bones of the fetal skull are not yet fused, giving the skull many "soft spots," or fontanels. Why do you think the bones of the fetal skull are not fused at birth? Skeletal System I UNIT 7183Explanation / Answer
1. The medial wall, comprises the frontal process of maxilla, the lacrimal bone, the orbit plate of ethmoid bone and the sphenoid body. The area damaged more easily is very thin lamina papyracea. They are difficult to fixate because orbital bones are very thin also there are many fissures in that area. The combination of two make it very hard to reinforce.
2. Most nasal fracture involved nasal septum.
3.To allow bone flexibility when baby is coming out through birth canal. That's why fetal skull are not fussed at the time of birth.
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