1.Mr. F. was diagnosed with Type 2 diabetes mellitus at age 46. At that time, he was overweight, enjoyed foods with high carbohydrate and fat content, and led a sedentary life. His family history...

1.Mr. F. was diagnosed with Type 2 diabetes mellitus at age 46. At that time, he was overweight, enjoyed foods with high carbohydrate and fat content, and led a sedentary life. His family history indicated that his mother and his brother had diabetes. Weight loss, appropriate diet, and exercise were recommended to reduce blood glucose levels. 1. List the factors contributing to diabetes mellitus in this case. At age 50, Mr. F. noticed that his vision was cloudy, particularly in one eye. Cataracts were removed from both eyes.

2. Describe a cataract and explain how diabetes promotes cataract formation.

3. Glyburide (DiaBeta) was prescribed at this time. Describe the action of this drug. At age 56, a blister developed on the heel of one foot, which did not heal. An ulcer formed and persisted. Finally the foot was placed in a cast for 13 weeks to promote healing.

4. Explain several factors contributing to the delayed healing in Mr. F. 5. Why was it necessary in this case, to remove the cast and replace it each week?