Apatient 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?

The skull.

Explanation:

The cerebrospinal fluid is a clear fluid that serves as a nutrient delivey system for the brain, it also removes waste and acts as a cushion surrounding the brain and spinal cord. Its leakage from the nose usually happens when there is a fistula between the dura and the skull base after a trauma. This kind of fractures can lead to meningitis and surgery is needed.

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