ATI RN Fundamentals Exam 3 | Nurselytic

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ATI RN Fundamentals Exam 3 Questions

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Question 1 of 5

A nurse is caring for a client suspected of having a pulmonary embolism. The client's arterial blood gas results indicate respiratory alkalosis. Which findings support this diagnosis?

Correct Answer: A

Rationale: The correct answer is A because the client's arterial blood gas results show a high pH (alkalosis) along with a low PaCO2 and a normal HCO3 level. A high pH indicates alkalosis, which can be caused by hyperventilation, as seen in pulmonary embolism. The low PaCO2 (25) indicates respiratory alkalosis, as the client is excreting excess carbon dioxide due to hyperventilation. The normal HCO3 level (24) suggests the kidneys are trying to compensate for the respiratory alkalosis by retaining bicarbonate.

Choices B, C, and D do not align with the findings of respiratory alkalosis. B has a normal pH and elevated HCO3, C has a normal pH but low HCO3, and D has a low pH and high PaCO2.
Therefore, these options do not support the diagnosis of respiratory alkalosis in a client with suspected pulmonary embolism.

Question 2 of 5

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Question 3 of 5

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Question 4 of 5

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Question 5 of 5

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