Final answer:
Option 4, 'Meeting the 2008 Physical Activity Guidelines for Americans', is not a theme of the 2010 Dietary Guidelines, as they are complemented by the later 2018 guidelines with updated recommendations. Option 4 is correct.
Step-by-step explanation:
The question asks which option is NOT a major theme of the 2010 Dietary Guidelines for Americans. According to the guidelines provided, the major themes are related to weight management, promoting healthy eating patterns, and increasing physical activity.
Option 4, 'Meeting the 2008 Physical Activity Guidelines for Americans', is not a theme of the 2010 Dietary Guidelines. This is because the guidelines are complemented by the subsequent 2018 Physical Activity Guidelines for Americans, which provide updated evidence-based recommendations for appropriate activity levels.