The nurse is caring for a diabetic patient in renal failure who is in metabolic acidosis. Which laboratory findings are consistent with metabolic acidosis?
pH 7.35, PaCO2 40 mm Hg, HCO3-25 mEq/L
pH 7.32, PaCO2 47 mm Hg. HCO3-23 mEq/L
pH 7.3, PaCO2 36 mm Hg. HCO3- 19 mEq/L
pH 7.5, PaCO2 35 mm Hg, HCO3- 35 mEq/L
The Correct Answer is C
A. pH 7.35, PaCO2 40 mm Hg, HCO3-25 mEq/L: This is within normal ranges and does not indicate acidosis.
B. pH 7.32, PaCO2 47 mm Hg. HCO3-23 mEq/L: This indicates respiratory acidosis, not metabolic.
C. pH 7.3, PaCO2 36 mm Hg. HCO3- 19 mEq/L: This indicates metabolic acidosis. The pH is low (acidic), and the HCO3- (bicarbonate) is decreased. The PaCO2 is within normal limits, indicating the respiratory system is compensating for the metabolic acidosis.
D. pH 7.5, PaCO2 35 mm Hg, HCO3- 35 mEq/L: This indicates alkalosis, not acidosis.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Slow and steady bubbling in the suction control chamber is expected and indicates that the system is functioning properly. It is designed to regulate the pressure within the chest cavity by allowing excess air and fluid to escape, ensuring that the lungs can re-expand properly
B. Checking for leaks is are unnecessary as the system is functioning as expected.
C. Checking the suction control outlet is are unnecessary as the system is functioning as expected.
D. Clamping the chest tube is are unnecessary as the system is functioning as expected.
Correct Answer is B
Explanation
A. Hyperventilation can lead to dizziness and lightheadedness, and it's not a recommended method for preventing atelectasis.
B. This statement indicates understanding of the importance of deep breathing exercises in preventing atelectasis.
C. This statement shows a misunderstanding of atelectasis. Anyone can develop atelectasis, especially after surgery.
D. This statement is incorrect, but it focuses on treatment rather than prevention.
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