10 Random Questions


A 64-year-old patient with chronic obstructive pulmonary disease sustained fractures of ribs 4 through 8 on the left one hour ago. Examination shows agitation, heart rate of 120 bpm, respiratory rate of 30/min, and blood pressure of 180/100 mmHg. PaO2 is 70 mmHg and PaCO2 is 35 mmHg on room air. Radiographs of the chest show no abnormalities. Which of the following is the most appropriate immediate management?

ADVANCED General Regional & Pain

During carotid endarterectomy, which of the following EEG patterns is most suggestive of cerebral ischemia?


A healthy 24-year-old woman is undergoing knee arthroscopy with spinal anesthesia to a level of T4. Which of the following findings is LEAST likely?

BASIC Regional & Pain

A 67-kg, 52-year-old man is undergoing heart transplantation. After implantation of the donor heart and discontinuation of cardiopulmonary bypass, isoproterenol is administered intravenously to maintain heart rate greater than 100 bpm. During the next 10 minutes, blood pressure decreases from 105/55 mmHg to 75/40 mmHg. Heart rate is 102 bpm and cardiac output is 5.8 L/min. The most appropriate management is administration of

ADVANCED Cardiac

Which of the following detects the smallest volume of venous air embolization?

ADVANCED Equipment & Physics Neuro

The supine hypotensive syndrome of pregnancy

ADVANCED OB

The induction dose of thiopental should be decreased in each of the following situations EXCEPT


A patient receiving mechanical ventilation with oxygen 60% postoperatively has a PaO2 of 160 mmHg and a PaCO2 of 38 mmHg. One hour later, with mechanical ventilation unchanged, the PaO2 is 150 mmHg and PaCO2 is 48 mmHg. The most likely cause of these changes is

BASIC Respiratory & Critical Care General

Which of the following statements concerning the pharmacokinetics of nondepolarizing muscle relaxants is true?


Which of the following statements concerning use of temperature-corrected blood gas measurement (pH-stat) during hypothermic cardiopulmonary bypass is true?

ADVANCED Cardiac