10 Random Questions


Which of the following is the most likely cause of the rapid onset of local anesthesia when sodium bicarbonate is added to lidocaine?

BASIC Pharmacology & Pharmacokinetics

A 50-year-old woman notes loss of sensation in the medial lower leg 24 hours after vaginal hysterectomy in the lithotomy position. Which of the following nerves is most likely to be injured?


The alveolar concentrations of anesthetics increase more rapidly in children than in adults because of a greater

ADVANCED Pharmacology & Pharmacokinetics Pediatric

Which of the following is the most likely effect of infrarenal cross clamping of the aorta without pharmacologic manipulation?

ADVANCED General

Left ventricular end-diastolic volume is most likely to be underestimated by pulmonary artery occlusion pressure in patients with

ADVANCED Cardiac

Each of the following statements about muscle rigidity induced by opioids is true EXCEPT:

BASIC Pharmacology & Pharmacokinetics

A decreased dose of sodium thiopental is administered to patients in hypovolemic shock primarily because


A 70-year-old patient has absence of the left radial pulse one month after repair of an aortic aneurysm. Arterial pressure was monitored perioperatively with a 20-gauge left radial artery catheter. Which of the following statements concerning this complication is true?


The acute onset of hypotension without a decrease in mixed venous oxygen saturation is most likely associated with the onset of

BASIC General

Evaluation of a postoperative neurologic deficit discloses inability to oppose the thumb and little finger, weakness of abduction of the thumb, and loss of flexion of the distal phalanx of the index finger. This problem is most likely related to