Exercise 10: Acid-Base Balance: Activity 3: Renal Responses to Respiratory Acidosis and Respiratory Alkalosis Lab Report
Pre-lab Quiz Results
You scored 100% by answering 4 out of 4 questions correctly.
1. The renal system compensates for
You correctly answered: d. both respiratory acidosis and respiratory alkalosis.
2. Respiratory alkalosis is characterized by
You correctly answered: a. pH greater than 7.45 and PCO2 less than 35 mm Hg.
3. Respiratory acidosis is characterized by
You correctly answered: c. pH less than 7.35 and PCO2 greater than 45 mm Hg.
4. The functional unit of the kidney is the
You correctly answered: b. nephron.

07/11/15

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Experiment Results
Predict Question:
Predict Question 1: What effect do you think lowering the PCO2 will have on [H+ ] and [HCO3- ] in the urine?
Your answer : d. [H+ ] will decrease and [HCO3- ] will increase.
Predict Question 2: What effect do you think raising the PCO2 will have on [H+ ] and [HCO3- ] in the urine?
Your answer : c. [H+ ] will increase and [HCO3- ] will decrease.
Stop & Think Questions:
The condition you just simulated is
You correctly answered: b. respiratory alkalosis caused by hyperventilation.
Can the renal system fully compensate for acidosis or alkalosis?
You correctly answered: d. No, neither for respiratory alkalosis nor respiratory acidosis.
Experiment Data:
PCO2
40
30
60

Blood pH
7.38
7.61
7.31

[H+] in Urine normal decreased elevated 07/11/15

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[HCO3-] in Urine normal elevated decreased Post-lab Quiz Results
You scored 100% by answering 4 out of 4 questions correctly.
1. When adjusting the controls, what happens to the blood pH when you lower the PCO2?
You correctly answered: a. The pH increases.
2. In uncompensated respiratory alkalosis, the
You correctly answered: b. carbon dioxide levels of the blood are low.
3. What type of breathing results in acidosis?
You correctly answered: d.