A client with a basilar skull fracture has clear drainage from the nose. Which test helps confirm the drainage is cerebrospinal fluid (CSF)?

Question

Accepted Answer

B. Glucose testing of the drainage — CSF contains glucose; nasal drainage that tests positive for glucose suggests a CSF leak. This requires prompt provider notification and infection prevention measures.

Answer

A. Urine dipstick for ketones

Answer

C. Stool guaiac test

Answer

D. Pulse oximetry