The nurse is caring for a client experiencing respiratory alkalosis. Which of these conditions is a causative agent?

pneumonia

brain injury

anxiety

emphysema

Answer and Explanation

The Correct Answer is C

Rationale:
A. Pneumonia typically causes respiratory acidosis due to impaired gas exchange and CO₂ retention.
B. Brain injuries can affect respiratory patterns, but they are not the most common or direct cause of respiratory alkalosis.
C. Anxiety often leads to hyperventilation, which causes excessive loss of CO₂, resulting in respiratory alkalosis.
D. Emphysema is associated with CO₂ retention, leading to respiratory acidosis, not alkalosis.

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Correct Answer is A

Explanation

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.

A. 4.9 mEq/L B. 5.5 mEq/L C. 6.2 mEq/L D. 5.8 meq/L

Correct Answer is A

Explanation

Rationale:
A. A potassium level of 4.9 mEq/L is within the normal reference range (typically 3.5–5.0 mEq/L), indicating that the hyperkalemia has been successfully corrected.
B. A potassium level of 5.5 mEq/L is still above normal and does not suggest full effectiveness of the treatment.
C. A potassium level of 6.2 mEq/L remains critically high and indicates that the medication was not effective.
D. A potassium level of 5.8 mEq/L is still elevated and may continue to pose cardiac risks, suggesting partial or no effectiveness.

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The nurse is caring for a client experiencing respiratory alkalosis. Which of these conditions is a causative agent?

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Naxlex Comprehensive Predictor Exams

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

Correct Answer is A

Explanation

The nurse is caring for a client with a critically high potassium level. The client has received sodium polystyrene sulfonate (Kayexalate). The nurse determines the medication's effectiveness if the client's repeat serum potassium level is:

Correct Answer is A

Explanation

Convert 101*F to Celsius

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