In assessing an adult client, the nurse calculates the body mass index (BMI) as 14 kg/m2. Which nursing problem should be included in this client's plan of care? Reference Range: Underweight: BMI is less than 18.5; Normal weight: BMI is 18.5 to 24.9; Overweight: BMI is 25 to 29.9; Obese: BMI is 30 or more