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Sherpath
acid base balance week 14
| Question | Answer |
|---|---|
| The nurse does an arterial blood gas analysis (ABG) to monitor a patient’s pH. Which arterial pH should the nurse interpret as being normal? | 7.40 |
| What happens when hydrogen ions are released into the blood due to metabolic processes? | The blood becomes more acidic. |
| Which can occur if the pH of the blood is outside of the normal range? | - Serious physiological problems - Malfunction of enzymes within the cell - Poor oxygen management by hemoglobin |
| Match the venous pH levels with its meaning. | -Neutral venous pH -Acidic venous pH -Basic venous pH |
| Death can occur if the pH falls below or rises higher than 7.8. | 6.9 |
| Which is the primary chemical buffer to correct an acid-base imbalance within a patient’s urine? | Phosphates |
| Which chemical is responsible for adjusting the carbon dioxide gas exhaled to correct an acid-base imbalance? | Carbonic acid-bicarbonate |
| Match the buffering system with its response to pH to maintain acid base balanc Takes seconds to attempt correcting acid-base imbalance Intermediate response; takes minutes to correct acid-base imbalance May take days to correct an acid-base imbalance | - Chemical buffers - Respiratory system - Renal system |
| The nurse is providing care to a patient who exercises in excess, leading to acidosis. Which patient statement does the nurse evaluate as accurate related to the cause of the acidosis? | “Anaerobic respiration is causing lactic acid to form, leading to acidosis.” |
| The nurse is teaching a patient about the general purpose of bicarbonate in the blood. Which patient response evaluated by the nurse indicates correct understanding? | “It is a weak base that plays a crucial role in acid-base balance.” |
| Which venous pH values should the nurse report to the primary care practitioner as within normal limits? | - 7.35 -7.40 |
| The nurse does an arterial blood gas analysis (ABG) to monitor a patient’s pH. Which arterial pH should the nurse interpret as being normal? | 7.40 |
| Which statement should the nurse student include in a presentation regarding the mechanism which rids the body of excess hydrogen ions? | “Kidneys excrete hydrogen ions in the urine.” |
| Which response should the nurse expect for a patient whose arterial pH level is 8.0? | The body system will shut down. |
| What actions in the body should the nurse anticipate as compensatory mechanisms to regulate pH when providing care to a patient whose pH is less than 7.35? | - Chemical buffering system releases bicarbonate. - Respiratory system blows off excess carbon dioxide. |
| Which is the primary chemical buffer to correct an acid-base imbalance within a patient’s urine? |
Created by:
Brandi Sizemore
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