Answer to Question 1
2. The Native American
Rationale:
Native Americans have a higher incidence of gallstones than Asians, Caucasians, and African Americans. This is thought to result from genes that promote efficient calorie use and fat storage.
Answer to Question 2
D
A high-fiber diet has been effective in preventing diverticular disease, hypercholesterolemi a, and colon and rectal cancer.