23. The nurse is examining a patient's lower leg and notes a draining ulceration. Which of the following actions is most appropriate in this situation?
1. Wash hands and contact the physician.
2. Continue to examine the ulceration and then wash hands.
3. Wash hands, put on gloves, and continue with the examination of the ulceration.
4. Wash hands, proceed with rest of the physical examination, and then continue with the examination of the leg ulceration.