Preoperative parenteral administration of vitamin K is LEAST likely to decrease a prolonged prothrombin time in a patient with
(A) end-stage hepatocellular disease
(B) malabsorption associated with ulcerative colitis
(C) obstructive jaundice
(D) long-term antibiotic therapy
(E) warfarin-induced prothrombin deficiency
A
Which of the following statements concerning the pharmacokinetics of nondepolarizing muscle relaxants is true?
(A) Drugs with a longer duration of action depend on the liver for excretion
(B) Drugs with a shorter duration of action depend primarily on redistribution for recovery
(C) Onset of action is independent of dose
(D) Recovery rate parallels the decrease in plasma relaxant concentration
(E) The shorter the duration of action, the faster the onset
D
A previously healthy 28-year-old woman scheduled for laparoscopic tubal ligation becomes, agitated and refuses to undergo the procedure after being brought to the operating room. This behavior most likely resulted from preoperative administration of
During open reduction of a tibial fracture, a tourniquet cuff is applied around the proximal thigh and inflated to 300 mmHg. Which of the following is most likely to prevent pain and hypertension caused by the tourniquet?
(A) Intravenous administration of fentanyl during subarachnoid block
Which of the following time concentration curves would be expected in arterial blood following intravenous injection of indocyanine green dye in a 3-year-old child with a small ventricular septal defect?