Final answer:
For a wound with creamy thick yellow drainage, the nurse would document it as purulent discharge.
Step-by-step explanation:
If a client presents with an open wound that is discharging creamy thick yellow drainage, the nurse would document this as B) Purulent discharge. Purulent drainage is often associated with an infection and can appear as thick yellow, green, brown, or white fluid that is filled with pus, leukocytes, and bacteria. This type of discharge indicates a bacterial infection and would require clinical attention and possible antibiotic treatment.