Which of the following is not an effect of alcohol on the digestive system? a. production of stomach acid increases, which can result in nausea or vomiting. b. excessive amounts of alcohol can cause breathing to slow, become irregular, or stop. c. when alcohol is metabolized in the liver, the chemicals can cause inflammation and scarring. d. alcohol can lead the kidneys to increase urine output, which can lead to dehydration.

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.