10 Random Questions


To detect the delivery of a hypoxic gas mixture, the optimal location for an oxygen analyzer in this circle is

BASIC Equipment & Physics

Fetal distress is noted after administration of an epidural local anesthetic during labor. Fetal scalp pH is 7.0. Compared with a fetus with a scalp pH of 7.3, in this fetus the local anesthetic is present in

ADVANCED OB

A healthy 57-year-old man with a ureteral calculus is scheduled for immersion extracorporeal shock wave lithotripsy. Which of the following statements is true?

ADVANCED Equipment & Physics General

Which of the following pre-existing conditions predisposes to new-onset third-degree heart block during pulmonary artery catheterization?

ADVANCED General Cardiac

A 67-year-old man is undergoing total hip replacement under general anesthesia. He had a permanent endocardial VVI pacemaker placed two years ago for complete heart block, and since arrival in the operating room has been paced continuously. Use of the electrocautery causes the pacemaker to malfunction intermittently. The most appropriate management is to

ADVANCED General Cardiac

Metoclopramide acts to

BASIC Pharmacology & Pharmacokinetics

Which of the following interventions is most effective in preventing neurologic injury resulting from global cerebral ischemia?

ADVANCED Neuro

A patient receives an emergency transfusion of three units of O, Rh-negative blood for profuse hemorrhaging. If his blood type is AB, Rh-negative, which of the following is most appropriate for continuing transfusion?

BASIC Transfusions & Fluids

Following a thyroidectomy, a patient develops severe dyspnea, inspiratory stridor, and cyanosis in the recovery room. On physical examination, the neck appears full. Attempts at bag-mask ventilation are unsuccessful. Immediate therapy is to


A 30-year-old woman has difficulty talking 15 minutes after initiation of interscalene block for closed reduction of a dislocated shoulder. The most likely cause is

ADVANCED Regional & Pain