Acid/Base NCLEX Questions

A client has the following lab values: a pH of 7.55, an HCO3- of 22 mm Hg, and a PCO2 of 30 mm Hg. What should the nurse do?
1. Perform Allen’s test
2. Prepare the client for dialysis
3. Administer insulin as ordered
4. Encourage the client to slow down breathing
4.
The nurse is told that the blood gas results indicate a pH of 7.55 and a PCO2 of 30 mm Hg. The nurse determines that these results indicate:
1. Metabolic acidosis
2. Metabolic alkalosis
3. Respiratory acidosis
4. Respiratory alkalosis
4.
A client is scheduled for blood to be drawn from the radial artery for an ABG determination. A nurse assists with performing Allen’s test before drawing the blood to determine the adequacy of the:
1. Ulnar circulation
2. Carotid circulation
3. Femoral circulation
4. Brachial circulation
1.
A nurse is caring for a client with a nasogastric tube that is attached to low suction. The nurse monitors the client closely for which acid-base disorder that is most likely to occur in this situation?
1. Metabolic acidosis
2. Metabolic alkalosis
3. Respiratory acidosis
4. Respiratory alkalosis
2
A nurse is caring for a client with severe diarrhea. The nurse monitors the client closely, understanding that this client is at risk for developing which acid-base disorder?
1. Metabolic acidosis
2. Metabolic alkalosis
3. Respiratory acidosis
4. Respiratory alkalosis
1.
A nurse is caring for a client with diabetic ketoacidosis and documents that the client is experiencing Kussmaul’s respirations. Based on this documentation, which of the following did the nurse most likely observe?
1. Respirations that cease for several seconds
2. Respirations that are regular but abnormally slow
3. Respirations that are labored and increased in depth and rate
4. Respirations that are abnormally deep, regular, and increased in rate
4.
A nurse is caring for a client with a diagnosis of COPD. The nurse monitors the client for which acid-base imbalance that most likely occurs in clients with this condition?
1. Metabolic acidosis
2.Metabolic alkalosis
3. Respiratory acidosis
4. Respiratory alkalosis
3.
The RN reviews the results of the ABG with the LPN and tells the LPN that the client is experiencing respiratory acidosis. The LPN would expect to note which of the following on the laboratory result form?
1. pH 7.50, PCO2 52 mm Hg
2. pH 7.35, PCO2 40 mm Hg
3. pH 7.25, PCO2 50 mm Hg
4. pH 7.50, PCO2 30 mm Hg
3
A nurse is caring for a client with respiratory insufficiency. The ABG results indicate a pH of 7.50 and a PCO2 of 30 mm Hg, and the nurse is told that the client is experiencing respiratory alkalosis. Which of the following additional laboratory values would the nurse expect to note?
1. A sodium level of 145 mEq/L
2. A potassium level of 3.2 mEq/L
3. A magnesium level of 2.4 mg/dL
4. A phosphorus level of 4.0 mg/dL
2

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