The registered nurse prepares to conduct a nutritional assessment on mrs. varner, a 52-year-old caucasian female who describes herself as “overweight most of my adult life.” the client states that her health is good. she works part time as a receptionist and volunteers about 10 hours per week in her church. the nurse obtains mrs. varner’s height as 64 inches and her weight as 165 pounds. what is the rationale for computing body mass index? what is mrs. varner’s bmi? calculate her ideal body weight.