Arrange the following clinical classifications of Obesity in ascending order based on their Body Mass Index (BMI) ranges, starting from the lowest threshold: I. Class III (Morbid obesity) II. Class II III. Class I

Arrange the following pathological events and clinical manifestations in the progressive sequence of Coronary Artery Disease (CAD), starting from the initial underlying condition to the culminating severe stage: A. Fat and cholesterol buildup in the arteries B. Narrowing or blockage of the heart arteries C. General symptoms such as chest pain or pressure (angina) D. Severe symptoms like severe chest pain radiating to the arm or jaw (Heart Attack)

Arrange the following clinical classifications of Gastroesophageal Reflux Disease (GERD) in their correct progressive order of severity, starting from the initial stage to the condition resulting from long-term untreated disease: I. Erosive Esophagitis II. Complicated GERD III. Non-Erosive Reflux Disease (NERD)