Physioex 8.0 Review Sheet Exercise 10

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Physioex 8.0
R E V I E W S H E E T
E X E R C I S E 10
Acid-Base Balance
Respiratory Acidosis and Alkalosis
The following questions refer to Activity 1: Normal Breathing. 1. What was the pH level during normal breathing?
2. Was this pH within the normal pH range?
2. Was this pH within the normal pH range?
The following questions refer to Activity 2: Hyperventilation. 3. In run 1, what was the maximum pH recorded with hyperventilation? 4. What acid-base imbalance occurred with hyperventilation? 5. What happened to the tidal volume during hyperventilation? 6. Describe the trace when hyperventilation stopped in run 2. The following questions refer to Activity 3: Rebreathing.

7. What was the effect on pH over time with rebreathing?
8. Did rebreathing result in acidosis or alkalosis? Why? Hint: Specifically relate this to the level of CO2 .
9. List some potential causes that would mimic the patterns of pH and CO2 levels seen in this rebreathing simulation.
Renal System Compensation
The following questions refer to Activity 4: Renal Response to Normal Acid-Base Balance. 10. Describe how the pH of the blood changes with an increase in the level of CO2 .
NAME ____________________________________
Acid-Base Balance
LAB TIME/DATE________________________
143
10_133_144_PhyEx8_AP_Ch10 1/10/08 5:18 PM Page 143144 Review Sheet 10 11. Why does this change occur?
The following questions refer to Activity 5: Renal Response to Respiratory Alkalosis. 12. What happened to the level of [H

] in the urine as the level of CO2
decreased?
13. Explain how the renal system compensates for respiratory alkalosis. 14. Which type of breathing results in respiratory alkalosis? The following questions refer to Activity 6: Renal Response to Respiratory Acidosis. 15. Explain how the renal system compensates for respiratory acidosis. 16. Which type of breathing results in respiratory acidosis? Metabolic Acidosis and Alkalosis

The following questions refer...
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