1. Explain why hiatal hernia is aggravated by: a. intake of a large meal b. lying down after a meal 2. a. Explain several mechanisms by which intestinal infection can cause diarrhea.  b. Explain how...

1. Explain why hiatal hernia is aggravated by:

a. intake of a large meal

b. lying down after a meal

2. a. Explain several mechanisms by which intestinal infection can cause diarrhea.

 b. Explain how fluid balance and acid-base balance are altered by diarrhea.

3. a. Explain why peptic ulcers often do not heal quickly but tend to persist or recur.

b. Describe the common differences between gastric ulcer and gastric cancer.

c. Explain why abdominal cramps occur with the dumping syndrome.