A 60-year-old man with type II diabetes mellitus requires emergency incision and drainage of a perirectal abscess. Laboratory studies show a serum glucose concentration of 850 mg/dl and a pHa of 7.30. The most appropriate management is administration of regular insulin and which of the following infusions?
(A) 5% Dextrose in water
(B) 5% Dextrose in 0.45% saline solution with potassium chloride
(C) 5% Dextrose in 0.45% saline solution with potassium chloride and mannitol
(D) Normal saline solution
(E) Normal saline solution and sodium bicarbonate
D
The figure describes the uptake of nitrous oxide 75% by individual tissue groups (VRG = vessel-rich group, MG = muscle group, FG = fat group) and their sum (total uptake, TU). Which set of labels accurately describes the curves?
Immediately following radical prostatectomy, ketorolac administered for analgesia
(A) aggravates ileus and bladder spasm
(B) increases platelet adhesion
(C) is ideally suited for patient-controlled analgesia
(D) mediates its effects via kappa opioid receptors
(E) produces cyclooxygenase inhibition
E
Ten minutes after induction of anesthesia with thiopental and isoflurane but before incision, a patient's nasopharyngeal temperature has decreased to 35.4°C. Which of the following contributed most to this decrease in temperature?
(A) Anesthesia-induced block of nonshivering thermogenesis
Which of the following is the most likely effect of intramuscular ketamine used for induction of anesthesia in a 2-year-old child undergoing elective surgery?
A 35-year-old woman with severe myasthenia gravis is scheduled for thymectomy. Which of the following preoperative pulmonary function tests is most likely to be normal?