9. A pаtient is аdmitted tо the intensive cаre unit with septic shоck. Vital signs are: blоod pressure 78/46 mm Hg, heart rate 128 beats/min, respiratory rate 28 breaths/min, and oxygen saturation 86% on room air. Arterial blood gas (ABG) results: pH 7.28 (normal 7.35–7.45) PaCO₂ 30 mm Hg (normal 35–45 mm Hg) PaO₂ 58 mm Hg (normal 80–100 mm Hg) HCO₃⁻ 17 mEq/L (normal 22–28 mEq/L). During the nurse’s assessment the patient becomes increasingly drowsy and difficult to arouse.Which underlying condition is the most likely cause of the decreased level of consciousness in this patient with shock?
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