53. Which behavioral risk factor causes more preventable deaths and diseases than any other in the United States? A. Poor diet B. Lack of exercise C. Tobacco use D. Alcohol and drug abuse 54. A recent study found that decreasing prevalence of smoking and higher cessation rates among smokers were associated with which of the following? A. Exposure to secondhand smoke B. Racial discrimination C. Suburban environments D. Increasing median household income 55. Misuse of alcohol accounts for how many U.S. deaths per year? A. 10,000 B. 50,000 C. 80,000 D. 100,000 56. Nearly half of all 2012 deaths from heart disease, stroke, and type 2 diabetes in the United States were attributed to which of the following? A. Lack of health care B. Poor diet C. Low income D. Hereditary factors 57. Approximately what percent of U.S. adults are overweight or obese? A. 10% B. 20% C. 50% D. 70% 58. Which of the following emphasizes the need to address not just the behavior of individual health care providers but also the effects of the systems and environments in which they operate? A. The population-based intervention model B. The practice ecology model C. The quality improvement model D. The social ecological model