Through Which of the Following Actions Would the CHN Who

Through which of the following actions would the CHN who wishes to decrease the incidence of obesity in elementary school children provide secondary prevention?

A) Giving a presentation on the importance of exercise and physical fitness
B) Designing a game in which students need to make healthy food choices
C) Weighing students to identify those who are overweight
D) Putting students on a diet if they weigh more than 20% of their ideal weight