10 Random Questions


With respect to mechanical ventilation, which of the following statements concerning the portion of tidal volume known as compression volume is true?

BASIC Equipment & Physics

The following changes occur during posterior cervical fusion in the prone position under halothane and nitrous oxide anesthesia with mechanical ventilation: HR 78 --> 84 with frequent PVCs; BP 110/70 --> 90/50; EtCO2 4.5% --> 2.0%; EtN2 0.12% --> 4% The most appropriate next step is to

ADVANCED Neuro

A 56-year-old woman with pulmonary fibrosis is scheduled for pneumonectomy. Which of the following parameters best predicts potential postoperative functional impairment?

ADVANCED Respiratory & Critical Care General

In an infant, spinal anesthesia to a sensory level of T8 is achieved with tetracaine administered at the L2-3 interspace. Compared with spinal anesthesia to the same sensory level in an adult, this anesthetic is associated with a

ADVANCED Pediatric Regional & Pain

A 62-year-old man is undergoing elective coronary artery bypass grafting and aortic valve replacement for three-vessel coronary artery disease and aortic stenosis. Shortly after intubation, heart rate increases from 75 to 100 bpm and blood pressure decreases from 130/70 to 70/40 mmHg with acute, severe ST-segment depression in lead V5. Which of the following is the most appropriate management?

ADVANCED Cardiac

A direct 5-joule shock is unsuccessful in converting ventricular fibrillation occurring after discontinuation of cardiopulmonary bypass. The most appropriate next step is to


Which of the following statements concerning carbon monoxide poisoning is true?

ADVANCED Respiratory & Critical Care General

Following extubation after nasotracheal intubation for seven days, a 35-year-old man has fever, facial pain, nasal stuffiness, and purulent nasal secretions. The most likely cause is

ADVANCED General

Following blunt trauma to the chest, a patient has tachycardia, hypotension, and markedly distended neck veins. Each of the following is expected EXCEPT

ADVANCED General Cardiac

Which of the following is most reliable for treatment of cerebral artery vasospasm associated with subarachnoid hemorrhage?