10 Random Questions


What is the expected mixed venous oxygen tension, in mmHg, in a normal adult after breathing 100% oxygen for 10 minutes?


A 36-year-old woman who undergoes peritoneal dialysis for chronic renal failure requires emergency surgical exploration for bowel obstruction. Serum creatinine concentration is 9.8 mg/dl and BUN concentration is 124 mg/dl. The most likely abnormality of coagulation is

BASIC General

Which of the following is increased in patients with chronic anemia?

BASIC General

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

BASIC General

A patient has a heart rate of 110 bpm one year after heart transplantation. His tachycardia is most likely the result of

ADVANCED Cardiac

Following pneumonectomy, a paralyzed patient being mechanically ventilated has the following arterial blood gas values: PaO2 71 mmHg, PaCO2 55 mmHg, pH 7.29. SvO2 is 45%. The most likely explanation for this SvO2 is

ADVANCED Respiratory & Critical Care General

During craniotomy in the sitting position, end-tidal carbon dioxide tension suddenly decreases. Ventilatory excursion of the chest is normal. Further evaluation is most likely to show a decrease in

ADVANCED Respiratory & Critical Care Neuro

Immediately following radical prostatectomy, ketorolac administered for analgesia


When succinylcholine is administered intravenously to infants, intragastric pressure

ADVANCED Pharmacology & Pharmacokinetics Pediatric

Compared with lidocaine, bupivacaine is more likely to cause dysrhythmias because it

BASIC Pharmacology & Pharmacokinetics Regional & Pain