Answer:
Step-by-step explanation:
Roger is likely suffering from an allergic reaction to the oil called urushiol found in poison oak. This oil is present in the leaves, stems, and roots of poison oak, and it can cause a skin rash called allergic contact dermatitis. The rash is characterized by redness, swelling, blisters, and itching, and it can last for several weeks. In severe cases, the rash may cause oozing or crusting of the skin. It is important to seek medical attention if the rash covers a large area of the body or if it affects the face or genitals.