10 Random Questions


Which of the following statements concerning air embolism during intracranial operations is true?

ADVANCED Neuro

An atrioventricular sequential demand pacemaker is placed in a patient who has abnormal atrioventricular conduction. Each of the following statements about this situation is true EXCEPT:

ADVANCED Cardiac

Monitoring of a patient with a closed head injury shows the following pressures: Intracranial pressure 30 mmHg, Central venous pressure 5 mmHg, Mean arterial pressure 65 mmHg, Peak airway pressure 25 cmH,0. The cerebral perfusion pressure is


Proper zeroing of an arterial pressure transducer attached to a supine anesthetized patient is best accomplished by

BASIC Equipment & Physics

Which of the following muscle relaxants has a prolonged duration of action in a patient who is homozygous for atypical plasma cholinesterase?

BASIC Pharmacology & Pharmacokinetics

Administration of 200 mEq of sodium bicarbonate during cardiopulmonary resuscitation is associated with

BASIC General

A patient with a fasting blood glucose concentration of 100 mg/dl undergoes a four-hour operation under general anesthesia without intraoperative administration of glucose. On emergence the most likely finding will be

BASIC General

Forty-eight hours after thoracotomy, a patient's T6-7 epidural catheter is removed and the distal 2 cm is noted to be missing. The patient felt no pain during removal and neurologic examination shows no abnormalities. After informing the patient, which of the following is the most appropriate next step in management?

ADVANCED Regional & Pain

A 40-year-old man is undergoing open reduction and internal fixation of a fractured femur. During anesthesia with fentanyl, sevoflurane, and oxygen, heart rate decreases to 20 bpm and 6 premature ventricular contractions per minute are noted. No pulse is detected. The most appropriate next step is to

BASIC General

If minute ventilation is held constant, which of the following is LEAST likely to alter PaCO2?

BASIC Respiratory & Critical Care