10 Random Questions


A moderately obese 38-year-old woman is using patient-controlled morphine analgesia one day after open cholecystectomy. While breathing room air, oxygen saturation is 85%, Pa02 is 48 mmHg, PaC02 is 42 mmHg, and pH is 7.36. In addition to administration of oxygen, the most effective management is to


Which of the following is a known effect of propofol?

BASIC Pharmacology & Pharmacokinetics

The EEG of a patient undergoing anesthesia with high-dose fentanyl would most likely show


An obese, 70-year-old woman with a long history of tobacco abuse is awake and semirecumbent after uneventful anesthesia with isoflurane for a ventral hernia repair. During the first hour in the recovery room while breathing 50% oxygen by face mask, her arterial oxygen saturation decreases to 90% while other vital signs remain satisfactory. Which of the following is most likely to be effective in the management of this situation?

BASIC Respiratory & Critical Care General

Hyperkalemia in response to the administration of an intubating dose of succinylcholine is associated with each of the following disorders EXCEPT

ADVANCED Pharmacology & Pharmacokinetics

Which of the following decreases the risk for burns during electrocauterization?

BASIC Equipment & Physics

Left ventricular end-diastolic volume is most likely to be underestimated by pulmonary artery occlusion pressure in patients with

BASIC Cardiac

A sensory level of T2 is achieved after administration of spinal anesthesia. Which of the following lung volumes is LEAST likely to be affected?

BASIC Respiratory & Critical Care Regional & Pain

When the inspired gas is changed from air to 20% oxygen and 80% nitrous oxide, PaO2 increases because

BASIC Pharmacology & Pharmacokinetics

A patient who is receiving ventilatory support after coronary artery bypass grafting has a PaO2 of 132 mmHg, a PaCO2 of 19 mmHg, and a pH of 7.57. Which of the following is most likely to result from this level of hypocarbia?

ADVANCED Neuro Cardiac