What test is used to determine glucose presence in nasal drainage?

The test used to determine glucose presence in nasal drainage is glucose testing. This method is specifically designed for detecting glucose levels, which can be particularly relevant in the context of conditions such as cerebrospinal fluid leakage or certain types of sinus infections. Glucose is typically not found in significant levels in nasal secretions unless there is an underlying pathology, such as a disrupted blood-brain barrier or excessive local glucose production, making glucose testing a crucial diagnostic tool in assessing these conditions.

Other options, while relevant in different clinical contexts, would not specifically measure glucose levels in nasal drainage. For instance, an electrolyte panel assesses various electrolytes in the blood and would not provide information about glucose in nasal secretions. A urinalysis is used to evaluate substances in urine, and a complete blood count focuses on different blood components, none of which directly assess glucose in nasal drainage.