Acid and base physiology

4 Questions

1. Explain the role of haemoglobin as a buffer. (03A9) (1992)
2. Explain how metabolic acidosis develops in hypovolaemic shock. Describe the consequences of metabolic acidosis to the body. (98B5)
3. Describe the effects of intravenously administered sodium bicarbonate (8.4%) 100ml used in asystolic cardiac arrest in a 70 kg man (95A6)
4. Write short notes on extracellular buffers. (1990)