A nurse is reviewing the ABG results of a client who has COPD. The results include a pH of 7.3 (7.35 to 7.45), PaO2 56 mm Hg (80 to 100 mm Hg), PaCO2 54 mm Hg (35 to 45 mm Hg), HCO3- 26 mEq/L (21 to 28 mEq/L), and SaO2 87%. Which of the following is the correct interpretation of these values?
Compensated metabolic acidosis
Compensated respiratory acidosis
Uncompensated respiratory acidosis
Uncompensated metabolic acidosis
The Correct Answer is C
Rationale:
A. Compensated metabolic acidosis would show a normal pH with a decrease in HCO3- and a decrease in PaCO2.
B. Compensated respiratory acidosis would show a normal pH with an elevated PaCO2 and a compensatory increase in HCO3-.
C. The low pH indicates acidosis, and the elevated PaCO2 suggests that it is respiratory in origin, with the HCO3- remaining normal, indicating no compensation has occurred yet.
D. Uncompensated metabolic acidosis would present with a low pH, low HCO3-, and normal PaCO2.
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Correct Answer is ["A","C","D","E"]
Explanation
Rationale:
A. Administering methylergonovine maleate is appropriate if the uterus is boggy, as it helps to promote uterine contractions and prevent postpartum hemorrhage.
B. Massaging a firm fundus is incorrect; instead, the nurse should massage a boggy (soft) fundus to encourage it to contract.
C. Documenting fundal height is essential to monitor the uterine involution and ensure the uterus is returning to its pre-pregnancy size.
D. Observing the lochia during palpation of the fundus is important to assess for any abnormal bleeding or clots, which may indicate complications.
E. Determining whether the fundus is midline is necessary to assess for displacement, which can affect uterine tone and bleeding.
Correct Answer is B
Explanation
Rationale:
A. Arterial blood gases (ABGs) are typically used to assess respiratory function and acid-base balance, which are not primary concerns with valproic acid use.
B. Serum liver enzyme levels are critical to monitor due to the risk of hepatotoxicity associated with valproic acid therapy, making this test essential for safe management.
C. A chest X-ray is generally used to assess respiratory conditions, not relevant for monitoring the effects of valproic acid.
D. Urine culture and sensitivity are used to diagnose urinary tract infections and are not relevant to the monitoring of valproic acid therapy.