[Solved] Ergonomics experts believe that using better-designed furniture can solve many of the health problems arising from information technology. Incontinent: The inability to control bladder and/or bowel functions, leading to involuntary loss of urine or feces. Liquid Stool: Stool that is more liquid than solid, often indicating diarrhea or a gastrointestinal condition affecting digestion and absorption. Fecal Occult Blood: The presence of blood in the feces that is not visible to the naked eye, often a sign of gastrointestinal diseases. False-negative: A test result that incorrectly indicates the absence of a condition or disease when it is actually present.