Blood Loss. Blood loss is the most common cause of anemia, especially iron-deficiency anemia. Blood loss can be short term or persist over time. Heavy menstrual periods or bleeding in the digestive or urinary tract can cause blood loss. Surgery, trauma, or cancer also can cause blood loss.
second most common cause of acid-base imbalance. recognized by low blood pH and HCO3- levels. indicated by rising blood pH and HCO3- levels, is much less common than metabolic acidosis. typical causes are vomiting of the acidic contents of the stomach and intake of excess base.
The fundamental concept of this theory is that when an acid and a base react with each other, the acid forms its conjugate base, and the base forms its conjugate acid by exchange of a proton (the hydrogen cation, or H +).