An obese 52-year-old woman presents to a free clinic. She reports a 10 years history of “heartburn” that she has been treating with an over-the-counter proton pump inhibitor that has offered partial relief. Endoscopy is performed with biopsy identifying a change in the normal squamous lining of the lower esophagus to columnar epithelium. What type of cellular reaction is present in this case?

Briefly describe what caused these changes

What can the patient expect if she is not treated?

In a study of a weight loss program, 40 subjects lost a mean of 3.0 lb after 12 months. does the weight loss program have practical significance? a. yes, because the weight loss program worked and the subjects lost a mean of 3.0 lb. b. no, because the mean weight loss of 3.0 lb after one year does not seem to justify the program. c. no, because the sample of 40 subjects was too small to determine if the program was useful. d. yes, because the mean weight loss of 3.0 lb after one year does seems to justify the program.

What is the most common blood type in the u.s.?

How do healthier citizens save the government money?