A nurse is reviewing the laboratory values of a client who has respiratory acidosis. Which of the following findings should the nurse expect?

Potassium 3.3 mEq/L.

HCO3- 30 mEq/L.

PacO2 50 mm Hg.

pH 7.45.

Answer and Explanation

The Correct Answer is C

PacO2 50 mm Hg. Choice A rationale:

Potassium levels are not directly related to respiratory acidosis. Potassium levels may be affected in certain conditions, but they are not specific indicators of respiratory acidosis.

Choice B rationale:

HCO3- (bicarbonate) levels may be elevated in metabolic alkalosis, not respiratory acidosis. In respiratory acidosis, the primary abnormality is an increased PacO2, not HCO3-.

Choice C rationale:

The partial pressure of carbon dioxide (PacO2) is a key parameter in diagnosing respiratory acidosis. In this case, a PacO2 of 50 mm Hg suggests hypoventilation and an excess of carbon dioxide in the blood, contributing to acidosis.

Choice D rationale:

The pH level given (pH 7.45) is within the normal range, which contradicts the diagnosis of respiratory acidosis. In respiratory acidosis, the pH would be expected to be below the normal range of 7.35-7.45 due to increased carbon dioxide levels.

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

Explanation

Choice A rationale:

The nurse considered contraction of facial muscles as a finding of hypocalcemia because it is associated with Chvostek's sign, which indicates neuromuscular irritability due to low calcium levels.

Choice B rationale:

Complaints of fingers tingling are indicative of hypocalcemia since tingling sensations (paresthesias) in the extremities can result from decreased calcium levels affecting nerve function.

Choice C rationale:

Carpal spasm with blood pressure measurement is known as Trousseau's sign and is associated with hypocalcemia. When the blood pressure cuff is inflated above systolic pressure, it can cause tetany in the hand if the calcium levels are low.

Choice D rationale:

Asking when foot numbness would go away does not directly relate to hypocalcemia or its symptoms. It is not a finding used to come to the conclusion of hypocalcemia in this scenario.

Choice E rationale:

The heart rate being 88 and regular does not directly indicate hypocalcemia. While hypocalcemia can lead to cardiac arrhythmias, a heart rate of 88 and regular is within the normal range and not a specific finding for hypocalcemia.

A. Add the ordered dose to the IV hanging. B. Administer the dose IV push over 3 minutes. C. Monitor the injection site for redness. D. D. Use an infusion controller for the IV. E. Monitor fluid intake and output.

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

Explanation

The correct answer is choiceC. Monitor the injection site for redness,D. Use an infusion controller for the IV, andE. Monitor fluid intake and output.

Choice A rationale:

Adding the ordered dose to the IV hanging is incorrect because potassium chloride should never be added to an already hanging IV solution due to the risk of uneven distribution and potential overdose.

Choice B rationale:

Administering the dose IV push over 3 minutes is incorrect because potassium chloride should never be given by direct IV injection.It must always be diluted and administered slowly to prevent cardiac complications.

Choice C rationale:

Monitoring the injection site for redness is correct because potassium chloride can cause irritation and phlebitis at the injection site.

Choice D rationale:

Using an infusion controller for the IV is correct because it ensures the potassium chloride is administered at a controlled rate, reducing the risk of rapid infusion and potential cardiac issues.

Choice E rationale:

Monitoring fluid intake and output is correct because it helps assess the patient’s overall fluid balance and detect any signs of fluid overload or deficit, which is crucial when administering potassium.

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A nurse is reviewing the laboratory values of a client who has respiratory acidosis. Which of the following findings should the nurse expect?

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Naxlex Comprehensive Predictor Exams

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