[Solved] What is the trigger for angina pectoris? A)Atherosclerotic lesions B)Hyperlipidemia C)Myocardial necrosis D)Myocardial ischemia Demographics: null Norms: Accepted standards or ways of behaving in a group, society, or culture, which guide the actions and expectations of its members. Lifestyles: The way in which a person or group lives, including patterns of social relations, consumption, entertainment, and dress. Supply Side: Economic theory emphasizing the importance of policies that affect the production and supply in an economy, including investment in capital and labor efficiency.