Physio Ex Exercise 10 Activity 3 PDF

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6/4/2020

PhysioEx Exercise 10 Activity 3

PhysioEx Lab Report Exercise 10: Acid-Base Balance Activity 3: Renal Responses to Respiratory Acidosis and Respiratory Alkalosis Name: Krystal Cookson Date: 4 June 2020 Session ID: session-1e27c900-e0ff-29c3-e774-680419f9605b

Pre-lab Quiz Results You scored 100% by answering 4 out of 4 questions correctly. 1 The renal system compensates for You correctly answered: both respiratory acidosis and respiratory alkalosis. 2 Respiratory alkalosis is characterized by You correctly answered: pH greater than 7.45 and P CO2 less than 35 mm Hg. 3 Respiratory acidosis is characterized by You correctly answered: pH less than 7.35 and P CO2 greater than 45 mm Hg. 4 The functional unit of the kidney is the You correctly answered: nephron.

Experiment Results Predict Questions 1 Predict Question 1: What effect do you think lowering the P CO2will have on [H +] and [HCO 3]in the urine? Your answer: [H +] will decrease and [HCO 3-] will increase. 2 Predict Question 2: What effect do you think raising the P CO2will have on [H +] and [HCO 3]- in the urine? Your answer: [H +] will increase and [HCO 3-] will decrease. Stop & Think Questions 1 The condition you just simulated is You correctly answered: respiratory alkalosis caused by hyperventilation.

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PhysioEx Exercise 10 Activity 3

2 Can the renal system fully compensate for acidosis or alkalosis? You correctly answered: No, neither for respiratory alkalosis nor respiratory acidosis. Experiment Data PCO2 (mm Hg)

Blood pH

[H +] in Urine

[HCO3-] in Urine

40

7.38

normal

normal

30

7.58

decreased

elevated

60

7.28

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 P

CO?2

You correctly answered: The pH increases. 2 In uncompensated respiratory alkalosis, the You correctly answered: carbon dioxide levels of the blood are low. 3 What type of breathing results in acidosis? You correctly answered: hypoventilation and rebreathing. 4 With renal compensation for respiratory acidosis, the pH of the urine You correctly answered: decreased because [H +] increased.

Review Sheet Results 1 Describe what happened to the concentration of ions in the urine when the P

CO2was

lowered. How well did the results compare with your prediction? Your answer: Based on my prediction the H+ decreased and the HCO3 increased. 2 What condition was simulated when the P CO2was lowered? Your answer: Respiratory alkalosis. 3 Describe what happened to the concentration of ions in the urine when the P

CO2was

raised.

How well did the results compare with your prediction? https://media.pearsoncmg.com/bc/bc 0media ap/physioex/10/ex10/act3/

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PhysioEx Exercise 10 Activity 3

Your answer: Based on my prediction H+ increased and HCO3 decreased. 4 What condition was simulated when the P CO2was raised? Your answer: Respiratory Acidosis.

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