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.
Acid-Base Balance. 1  Molecules that are dissolved in water may dissociate into charged ions. 2  An acid is a substance that increases the number of H+ ions in a solution. 3  A base is a substance that decreases the number of H+ ions in a solution. 4  Normal pH of body fluids: Arterial blood is 7.4.