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Exercise 10: Acid-Base Balance Lab Report

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Exercise 10: Acid-Base Balance Lab Report
Exercise 10: Acid-Base Balance: Activity 2: Rebreathing Lab Report Pre-lab Quiz Results You scored 100% by answering 4 out of 4 questions correctly. 1. In cases of acidosis, the pH of the blood is You correctly answered: c. less than 7.35. 2. Carbon dioxide and water form You correctly answered: a. carbonic acid (a weak acid). 3. Which of the following is true of respiratory acidosis? You correctly answered: c. The amount of carbon dioxide in the blood is greater than normal. 4. Rebreathing You correctly answered: b. is exemplified by breathing into a paper bag.

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Experiment Results Predict Question: Predict Question: What do you think will happen to the pH and PCO2 levels during rebreathing? Your answer : b. pH will decrease and PCO2 will increase. Stop & Think Questions: Which of the following can cause respiratory acidosis? You correctly answered: c. airway obstruction Experiment Data: Condition Normal Rebreathing Min PCO2 40 40 Max PCO2 40 53.95 Min pH 7.41 7.24 Max pH 7.41 7.42

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1. Rebreathing simulates You correctly answered: a. hypoventilation and respiratory acidosis. 2. Hypoventilation results in You correctly answered: c. an accumulation of carbon dioxide in the blood. 3. The renal system can compensate for respiratory acidosis by You correctly answered: b. excreting H+ and retaining bicarbonate ion. 4. Respiratory acidosis can be caused by all of the following except You correctly answered: d. an anxiety attack.

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