Q. A 48-year-old female with obesity complains of increased fatigue, urination and thirst for three months. She had been smoking two packs per day for 20 years. Her father died of coronary artery disease-induced myocardial infarction at the age of 49. On physical examination the patient's vital signs are: BP 140/90 mmHg; HR 80 bpm and RR 16 bpm. Physical examination reveals her body mass to be 40 kg/m2, while further testing reveals blood glucose level of 200 mg/dl. Which of the following is the most likely diagnosis?