Victoria Scott, a dental assistant, received a personal telephone call during patient dental care. She left the dental treatment room, removed her latex gloves, and answered the telephone in the sterilization area. While in the area, she looked up another telephone number in the phone book, put instruments from the ultrasonic unit in water to rinse, placed them into the sterilizer, and then returned to the treatment room. Knowing that leaving the treatment area during patient care is not advocated, and focusing on asepsis, answer the following questions.