Activity 10

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Exercise 10: Acid-Base Balance: Activity 1: Hyperventilation Lab Report Pre-lab Quiz Results You scored 100% by answering 4 out of 4 questions correctly. 1.The fastest compensatory mechanism for maintaining pH homeostasis in the human body is You correctly answered: c. the chemical buffering system. 2.An increase in hydrogen ion concentration would You correctly answered: d. decrease pH. 3.The amount of carbon dioxide in the blood is measured in You correctly answered: b. mm Hg. 4.The reaction of water and carbon dioxide is catalyzed by You correctly answered: a. carbonic anhydrase. 05/12/13

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Experiment Results Predict Question: Predict Question: What do you think will happen to the pH and PCO2 levels with hyperventilation? Your answer : b. pH will decrease and PCO2 will increase. Stop & Think Questions: Were the pH and PCO2 in the normal range? You correctly answered: c. Both pH and PCO2 were in the normal range. What was the effect of returning to normal breathing after hyperventilation? You correctly answered: b. The breathing stopped temporarily to retain carbon dioxide. Experiment Data:

Min PCO2
Max PCO2
Min pH
Max pH
Hyperventilation / Normal
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Post-lab Quiz Results You scored 100% by answering 4 out of 4 questions correctly. 1.Hyperventilation results in You correctly answered: b. respiratory alkalosis. 2.With hyperventilation, the higher peaks on the tracing indicate You correctly answered: a. a larger volume of air. 3.Which of the following is not a potential cause of respiratory alkalosis? You correctly answered: d. emphysema 4.The kidneys can compensate for respiratory alkalosis by You correctly answered: b. retaining H+ and excreting bicarbonate ion. 05/12/13page 4

Review Sheet Results 1.Describe the normal ranges for pH and carbon dioxide in the blood. Your answer: The human body maintains a...
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