The Nurse Notes Upon the Patient's Return to the Surgical $\times$

The nurse notes upon the patient's return to the surgical unit postoperatively that the surgical dressing covering the Penrose drain is dry and intact. Two hours later, the patient reports pain of 5 on a scale of 0 to 10 at the incisional site. The nurse checks the dressing and finds a 1 $\times$ 1 inch area of serosanguineous drainage on the dressing. What action should the nurse take? (Select all that apply.?

A) Monitor the drainage at the incisional site.
B) Notify the registered nurse immediately.
C) Review the analgesic administration record.
D) Culture the drainage on the dressing.
E) Apply pressure to the incisional site.