Problem: A 25-year-old woman presents to the urgent care clinic with burns sustained after dropping a pan of hot oil. The nurse practitioner notices bright red skin with bullae on the anterior trunk and the right arm. The patient states her pain is 9 on a scale of 1-10. She denies any dyspnea or weakness and there was no involvement of the face. What is the total body surface area (TBSA) of the patient's burns? • A. 9% • B. 18% • C. 27% • D. 36%