Interpret the ABG: pH 7.41, PaCO2 45mmHg. HCO3 26, PaO2 84 mmHg. SaO2 97%

normal ABG

respiratory acidosis

metabolic alkalosis

respiratory alkalosis

Answer and Explanation

The Correct Answer is A

Rationale:

A. pH 7.41: Normal range is 7.35–7.45. PaCO₂ 45 mm Hg: Normal range is 35–45 mm Hg. HCO₃⁻ 26 mEq/L: Normal range is 22–26 mEq/L. PaO₂ 84 mm Hg: Normal range is 80–100 mm Hg. SaO₂ 97%: Normal range is 95–100%. All values are within normal limits, indicating a balanced acid-base and oxygenation status.

B. pH 7.41: Normal range is 7.35–7.45. PaCO₂ 45 mm Hg: Normal range is 35–45 mm Hg. HCO₃⁻ 26 mEq/L: Normal range is 22–26 mEq/L. PaO₂ 84 mm Hg: Normal range is 80–100 mm Hg. SaO₂ 97%: Normal range is 95–100%. All values are within normal limits, indicating a balanced acid-base and oxygenation status.

C. pH 7.41: Normal range is 7.35–7.45. PaCO₂ 45 mm Hg: Normal range is 35–45 mm Hg. HCO₃⁻ 26 mEq/L: Normal range is 22–26 mEq/L. PaO₂ 84 mm Hg: Normal range is 80–100 mm Hg. SaO₂ 97%: Normal range is 95–100%. All values are within normal limits, indicating a balanced acid-base and oxygenation status.

D. pH 7.41: Normal range is 7.35–7.45. PaCO₂ 45 mm Hg: Normal range is 35–45 mm Hg. HCO₃⁻ 26 mEq/L: Normal range is 22–26 mEq/L. PaO₂ 84 mm Hg: Normal range is 80–100 mm Hg. SaO₂ 97%: Normal range is 95–100%. All values are within normal limits, indicating a balanced acid-base and oxygenation status.

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Correct Answer is ["B","C","D"]

Explanation

Rationale:
A. Flushing is not a typical sign of metabolic alkalosis; pallor may occur, but flushing is more associated with fever or vasodilation.
B. Hyperactive reflexes can occur due to increased neuromuscular excitability associated with alkalosis.
C. Metabolic alkalosis can lead to shallow, slow respirations as a compensatory response to retain CO₂.
D. Cardiac dysrhythmias may occur due to hypokalemia and electrolyte imbalances often present in metabolic alkalosis.
E. Abdominal pain is not a hallmark feature of metabolic alkalosis — it is more associated with gastrointestinal disorders like peritonitis or infections.

A. Chloride 105 mEq/L B. Calcium 9.6 mEq/L C. Sodium 151 mEq/L D. Potassium 3.8 mEq/L

Correct Answer is C

Explanation

Rationale:

A. Chloride 105 mEq/L is within the normal range (98–106 mEq/L) and does not require reporting.

B. Calcium 9.6 mEq/L is a normal calcium level (normal range: 8.5–10.5 mEq/L).

C. Sodium 151 mEq/L is above the normal sodium range (135–145 mEq/L) and indicates hypernatremia. This could affect neurological function and fluid balance, especially important to correct prior to surgery.

D. Potassium 3.8 mEq/L is within the normal range (3.5–5.0 mEq/L).

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Interpret the ABG: pH 7.41, PaCO2 45mmHg. HCO3 26, PaO2 84 mmHg. SaO2 97%

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is caring for a client who has metabolic alkalosis. For which of the following clinical manifestations should the nurse monitor? (Select 3 manifestations)

Correct Answer is ["B","C","D"]

Explanation

A nurse is reviewing the preadmission laboratory test results of a client who is scheduled for a carotid endarterectomy in 3 days. Which of the following results should the nurse report to the provider?

Correct Answer is C

Explanation

A nurse received an order to administer potassium chloride to a client who has a potassium level of 5.8 mEq/L. Which of the following actions should the nurse take?

A nurse prepares to interpret the ABG values of a client diagnosed with an acid-base imbalance. Which values are most important for the nurse to consider? (Select 4 options that apply.)

A nurse is caring for multiple clients on a medical-surgical unit. Which client should the nurse identify as being at greatest risk for respiratory alkalosis?

The client is experiencing respiratory acidosis as a result of COPD is likely to present with which of the following clinical signs? (Select 4 options that apply)

The physician orders Phenergan 12.5mg supp rectally NOW for nausea and vomiting. Available is Phenergan 25mg supp. How many suppositories will the nurse administer?

A nurse is collecting data from a client who has hypocalcemia. Which of the following findings should the nurse expect?

A nurse is caring for a client diagnosis with uncompensated metabolic alkalosis secondary to prolonged vomiting. When reviewing this client's laboratory data, which value should the nurse anticipate?