a patient comes into the emergency department. during the physical exam, you note that a clear fluid is leaking from the nose. you notice that this is cerebrospinal fluid. which bone has been likely fractured to allow for leakage? a patient comes into the emergency department. during the physical exam, you note that a clear fluid is leaking from the nose. you notice that this is cerebrospinal fluid. which bone has been likely fractured to allow for leakage? zygomatic bone vomer sphenoid ethmoid