1. The results of measuring arterial blood gases for a patient are as follows: pH 7.10; pCO2 12 kPa; pO2 15 kPa.
- What is pH, and what does it tell you?
- What values can be derived from a blood gas machine?
- What are the definitions of base excess and standard bicarbonate?
2. What is the equation for determining intracranial pressure?
3. What affects intracranial pressure?
4. Draw graphs for PO2 , PCO2, mean arterial pressure (MAP); explain the features of these graphs.
5. How does CO2 mediate its effects?
6. Describe the mechanism of autoregulation.
7. Where on a MAP curve is cerebral vascular resistance highest?
8. What is the Monro-Kellie doctrine? Draw a graph demonstrating this principle and explain the significance of the plateau.
9. How is cerebral blood flow measured?
- Which of these methods would you use?
- Describe the technique you have selected.
10. What is normal value for cerebrospinal fluid pressure?
11. Which hormones affect blood glucose?
- Choose one of these and discuss its mechanism of action.
12. What are the lengths of the polypeptide chains in human and porcine insulin?
13. How does skeletal muscle contract?
ArticleDate:20070108
SiteSection: Article
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