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1. ACIDOSIS AND ALKALOSIS BIO 024 Lesson # 3

2. FACTORS AFFECTING BLOOD pH (Normal blood p H: 7.35 – 7.45) Proteins, fats, ketogenic substances tend to acidify blood pH Nature of Diet Fruits and vegetables – tend to alkalinize blood pH Vigorous exercise Tend to alkalinize blood pH

3. INTERPRETING BLOOD GAS LEVELS Sample case (CHECK FOR UNDERSTANDING case 1): A 35-year-old Hispano-American female with broken ankle was brought to the emergency room with severe pain. ABGs showed: pH = 7.95 pCO 2 = 29 pO 2 = 105 HCO 3 = 22 Rationalization: pH is high, so it is ALKALOSIS pCO 2 is low HCO 3 is normal or within normal limits, not metabolic problem Answer: RESPIRATORY ALKALOSIS

4. LESSON # 3 ACTIVITY Answer CHECK FOR UNDERSTANDING cases 2-5 found on page 6 of your Session #3 module.