Half-life is written as:

A common cause of chronic mesenteric ischemia among the elderly is:

a. anemia. b. aneurysm. c. lack of nutrition in gut lumen. d. atherosclerosis.

A 56-year-old is diagnosed with gastric ulcers. Which of the following characterizes this disor-der? (select all that apply)

a. Pain occurs immediately after eating b. Anorexia c. History of NSAID use d. Occurrence is typically a single event e. Occur more frequently in females