Concept A protective reflex that can be controlledconsciously Remove excessive secretion & foreignmaterial from the airway Initiated by miscellaneous stimuli or byvoluntary exertion. The most common respiratory symptom
Definition of pain A signal of disease Unpleasant sensation localized to a part of the body Penetrating or tissue destructive process stabbing burning twisting tearing squeezing Bodily or emotional reaction
Definition Peptic Ulcer Disease is defined as an ulcer occurring in a region that touches gastric aci d(胃酸) and pepsin(胃蛋白酶) and usually refers to gastric ulcer(胃溃疡) or duodenal ulcer (十二指肠溃疡)