Two hours after a colon resection, a 60-year-old woman with adult-onset diabetes mellitus is somnolent and has a blood glucose concentration of 612 mg/dl. Which of the following findings are most likely? (Sodium, Osmolality, Intravascular volume)
(A) 127, 280, High
(B) 127, 310, High
(C) 127, 330, Low
(D) 140, 280, Normal
(E) 140, 300, Low
C
Which of the following is the most common initial sign of hemolytic transfusion reaction during general anesthesia?
Each of the following contributes to hypotension following induction of anesthesia with propofol EXCEPT
(A) central vagal stimulation
(B) decreased central sympathetic tone
(C) direct myocardial depression
(D) resetting of arterial baroreceptors
(E) systemic vasodilation
A
A 70-kg, 22-year-old man who is unconscious after a closed head injury is to undergo emergency splenectomy. He is anesthetized with thiopental, given pancuronium for paralysis, and started on nitrous oxide and oxygen 50% each with controlled ventilation (tidal volume 700 ml, rate 10/min). Pulse is 70 bpm, blood pressure is 160/100 mmHg, PaO2 is 65 mmHg, PaC02 is 45 mmHg, and pH is 7.30. In adjusting the ventilator at this time, which of the following is most appropriate?