*is it low? EXAMPLES *pH = 7.36 *pH = 7.23 * pH = 7.47 *a high pH indicates alkalosis *a low pH indicates acidosis LOOK AT YOUR PaCO2 *is it normal? *Is it high? *is it low? *This is the respiratory component *An abnormality in the PaCO2 will indicate a respiratory problem 1 EXAMPLES *PaCO2 = 40 mm Hg *pAco2 = 23 mm Hg *a high PaCO2 indicates acidity *a low PaCO2 indicates alkalosis PaCO2 *Lungs will increase or decrease ventilation to remove the appropriate amount
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Differentiate Between Acidosis and Alkalosis Instructions 1. * 1 First differentiate between the respiratory and metabolic. The respiratory one has to do with breathing in and out (that is ventilation) while the metabolic has to do with processes inside the body. * 2 Know what each one is: Respiratory Respiratory acidosis happens when a person is hypoventilating. In this case their respiration is depressed and so they are retaining carbon dioxide leading to acidosis. This could be
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excess non-gas acids and bases Lungs eliminate carbon dioxide Excessive Acids and Bases can cause pH changes---denature proteins • Normal pH of body fluids is 7.40 • Alkalosis (alkalemia) – arterial blood pH rises above 7.45 • Acidosis (acidemia) – arterial pH drops below 7.35 • Acidosis: – too much acid – Too little base • Alkalosis – Too much base – Too little acid Compensation for deviation • Lungs (only if not a respiratory problem) – If too much acid (low pH)—respiratory system will ventilate
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Exercise 10 Acid/Base Balance NAME 1. Match each of the definitions in Column A with the appropriate description in Column B. Column A Column B F 1. pH E 2. acid D 3. base A 4. acidosis B 5. alkalosis C 6. carbon dioxide a. condition in which the human body’s pH levels fall below 7.35 b. condition in which the human body’s pH levels rise above 7.45 c. mixes with water in the blood to form carbonic acid d. substance
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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
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Interpretation of the Arterial Blood Gas Self-Learning Packet 2004 This self-learning packet is approved for 2 contact hours for the following professionals: 1. Registered Nurse 2. Licensed Practical Nurse Orlando Regional Healthcare‚ Education & Development Copyright 2004 Arterial Blood Gas Interpretation Table of Contents Purpose ................................................................................................................... 3 Objectives ...........
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blood with hyperventilation. 7. Explain how returning to normal breathing after hyperventilation differed from hyperventilation without returning to normal breathing. 8. Describe some possible causes of respiratory alkalosis. ACTIVITY 2: Rebreathing 9. In cases of acidosis‚ the pH of the blood is a. Between 7.4 and 7.55 b. Between 7.35 and 7.45 c. Less than 7.35 d. Greater than 7.55 10. In this lab simulation‚ the minimum pH during rebreathing was _______. 11. If a person is “treated”
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Anatomy & Physiology II Respiratory acidosis is a condition that occurs when the lungs cannot remove all the carbon dioxide the body produces. This causes body fluids‚ especially the blood‚ to become too acidic. Chronic respiratory acidosis occurs over a long period of time‚ this leads to a stable situation‚ because the kidneys increase body chemicals‚ such as bicarbonate‚ that help restore the body’s acid-base balance. Acute respiratory acidosis is a condition in which carbon dioxide builds
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seconds in order to help build up the amount of CO2 before returning to normal breathing after hyperventilation. | 7. Describe some possible causes of respiratory alkalosis. | Some possible causes of respiratory alkalosis‚ would be high altitudes‚ or hyperventilation. | ACTIVITY 2: Rebreathing | 8. In cases of acidosis‚ the pH of the blood is a. Between 7.4 and 7.55 b. Between 7.35 and 7.45 c. Less than 7.35 d. Greater than 7.55 | C. Less than 7.35 | 9. In this lab simulation
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EXERCISE 10: Acid-Base Balance Grading: True/False‚ Multiple-Choice‚ and Fill-in-the-blank type questions will be worth 1 point each whereas Short-answer type questions will be worth 2 points each. This lab will be worth a total of 45 points but will be converted to a percentage grade when registered in your “Gradebook”. |ACTIVITY 1: Hyperventilation |Answers | |A
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