10 Random Questions


Diffuse microvascular bleeding is noted in a patient who has received 25 units of whole blood for a liver resection. Platelet count is 40,000/mm3, prothrombin time is 18 sec, activated partial thromboplastin time is 54 sec, and serum fibrinogen concentration is 60 mg/dl. The most likely cause of the bleeding is

BASIC Transfusions & Fluids

The principal rationale for the use of warmed humidified inspired anesthetic gases in children is to

ADVANCED Equipment & Physics Pediatric

Which of the following is most likely to increase hepatic blood flow during general anesthesia?

BASIC General

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?

BASIC Respiratory & Critical Care

Desflurane at a stable alveolar concentration of 7%

BASIC Equipment & Physics Pharmacology & Pharmacokinetics

Which of the following factors is LEAST predictive of postoperative cardiac complications?

BASIC General

The most sensitive means of detecting venous air embolism is

ADVANCED Equipment & Physics Neuro

Which of the following is an effect of ritodrine?

ADVANCED OB

The two E oxygen cylinders on an anesthesia machine have pressure readings of 1100 psi each. At an oxygen flow of 3 L/min, there will be sufficient oxygen for approximately

BASIC Equipment & Physics

Which of the following statements about patient-controlled analgesia using opioids is true?

ADVANCED Regional & Pain