ATI Mental Health Exam 3 | Nurselytic

Questions 51

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ATI Mental Health Exam 3 Questions

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Question 1 of 5

A 25-year-old patient with generalized anxiety disorder presents to the ED with shortness of breath,dizziness,and tingling in the fingers. The nurse reviews the ABG results: pH: 7.50 PaCO2: 30 mmHg HCO3: 24 mEq/L. What is the most likely acid-base imbalance?

Correct Answer: C

Rationale: The correct answer is C: Respiratory alkalosis. The ABG values show an elevated pH (alkalosis) along with a decreased PaCO2 (respiratory component) and normal HCO3 (metabolic component). This pattern indicates a primary respiratory issue leading to hyperventilation, causing excessive CO2 elimination and resulting in alkalosis. Shortness of breath and tingling in the fingers are common symptoms of respiratory alkalosis due to the hyperventilation-induced changes in blood pH.

Choices A, B, and D are incorrect as they do not align with the ABG results provided. Respiratory acidosis would show a low pH with elevated PaCO2, metabolic alkalosis would show an elevated pH with elevated HCO3, and metabolic acidosis would show a low pH with decreased HCO3.

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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