10 Random Questions


Which of the following statements concerning a patient who has been receiving nitroprusside for several days is true?

BASIC Pharmacology & Pharmacokinetics

Postoperatively a 70-kg patient has a serum sodium value of 130 mEq/L. To increase this value to 140 mEq/L would require the administration of how much sodium in mEq?

BASIC Transfusions & Fluids

Which of the following is decreased by alkalinization of a 1.5% lidocaine solution?

BASIC Pharmacology & Pharmacokinetics Regional & Pain

Which of the following is the most important factor affecting the incidence of postoperative pulmonary complications?


An elderly man has an acute dissection of the descending thoracic aorta. Which of the following antihypertensive therapies is most likely to extend the dissection?

ADVANCED General

A 32-year-old patient with end-stage renal failure has irreversible neuromuscular blockade two hours after tracheal intubation with a muscle relaxant. Which of the following is the most likely cause?

BASIC Pharmacology & Pharmacokinetics

Which of the following is the most common initial manifestation of malignant hyperthermia?

BASIC General

A 30-year-old, 70-kg woman with mitral stenosis is scheduled for elective laparoscopic sterilization. Preoperatively she is taking digoxin and an unknown medication for chronic mental depression. The EKG demonstrates atrial fibrillation. Heart rate is 68 bpm. Anesthesia is induced with thiopental followed by nitrous oxide 50%, halothane 0.75%, and a continuous succinylcholine infusion. The ventilator is set to deliver a minute volume of 5 liters through an endotracheal tube. As the carbon dioxide is being insufflated into the abdomen, the blood pressure is noted to be elevated (150/100 mmHg) and ventricular bigeminy is present. The most appropriate therapy is to

BASIC General

An anesthetized, paralyzed patient is placed in the lateral position and mechanically ventilated. End-tidal PCO2 is 34 mmHg and PaCO2 is 43 mmHg. This gradient

BASIC Respiratory & Critical Care

Which of the following complications is more likely to occur during cannulation of the left internal jugular vein than during cannulation of the right internal jugular vein?

BASIC General