10 Random Questions


Which of the following combinations of anesthetic and incorrect vaporizer results in the smallest error in delivered concentration?

BASIC Equipment & Physics

Syringe A contains 100 ml of normal blood with a PO2 of 2 mmHg, and syringe B contains 100 ml of normal blood with a PO2 of 98 mmHg. The contents of the two syringes are mixed anaerobicaily to equilibrium. The PO2 of the resultant mixture Is

BASIC Respiratory & Critical Care

A 70-year-old man sustains injuries to both carotid bodies during bilateral carotid endarterectomies performed four days apart. Two hours after the second procedure, the patient is breathing room air in the PACU. Which of the following sets (pH, pCO2, pO2) of arterial blood gas values is LEAST likely?


During nitrous oxide anesthesia, which of the following expands most rapidly?

BASIC Pharmacology & Pharmacokinetics

Each of the following is a complication or side effect of neurolytic celiac plexus blockade EXCEPT

ADVANCED Regional & Pain

A patient is undergoing cholecystectomy with enflurane, nitrous oxide, fentanyl, and oxygen. He takes theophylline and cromolyn sodium for bronchial asthma. During skin incision he has bilateral wheezing; peak inspiratory pressure is 50 cmHzO, and the ECG shows occasional premature ventricular contractions. The most appropriate management is to


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

ADVANCED Respiratory & Critical Care General

Which of the following statements concerning the cerebral effects of barbiturates is true?


Which of the following statements concerning postspinal headache is true?

ADVANCED Neuro Regional & Pain

The plasma concentration of equal doses of a local anesthetic is highest when the site of administration is

ADVANCED Regional & Pain