10 Random Questions


Two months ago a 68-year-old man with insulin-dependent diabetes mellitus had a transurethral resection of the prostate under spinal anesthesia with tetracaine plus epinephrine. He now has numbness and tingling in both feet and disturbance of gait. Physical examination demonstrates stocking-type hypesthesia of both feet and ankles. The most likely diagnosis is

ADVANCED General Regional & Pain

Which of the following factors is the LEAST important determinant of postdural puncture headache?

ADVANCED OB Regional & Pain

A 30-year-old woman underwent emergency cesarean delivery under general anesthesia at 36 weeks' gestation because of preeclampsia. Two hours after the operation, she is still intubated and apneic and cannot be aroused. Deep tendon reflexes are 1+. With mechanical ventilation at an FiO2 of 0.4, PaO2 is 130 mmHg, PaCO2 is 32 mmHg, pH is 7.45, and base excess is -0.6. The most likely cause is

ADVANCED OB

A patient is hyperventilated to a PaC02 of 20 mmHg. Which of the following physiologic parameters is most likely to be increased?


Metoclopramide

ADVANCED Pharmacology & Pharmacokinetics

Each of the following is a complication of stellate ganglion block EXCEPT

ADVANCED Regional & Pain

Which of the following statements concerning successful blockade of the femoral nerve is true?


A 50-year-old patient is undergoing middle ear exploration with isoflurane, nitrous oxide, and oxygen anesthesia. Ventilation is controlled; PetC02 is 35 mmHg, heart rate is 90 bpm, and blood pressure is 120/70 mmHg. Assistance is needed to minimize bleeding in the surgical field. Which of the following is the most appropriate next step in management?


Intrathecally administered opioids exert their analgesic effects primarily in the

BASIC Pharmacology & Pharmacokinetics

Which of the following is the most likely effect of administration of magnesium sulfate in a patient with preeclampsia?

ADVANCED OB