10 Random Questions


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

Compared with dopamine, dobutamine

BASIC Pharmacology & Pharmacokinetics Cardiac

During an aortic aneurysm repair, end-tidal carbon dioxide tension decreases from 35 to 20 mmHg in three breaths. The most likely cause is


Which of the following is the primary physiologic response in a neonate exposed to a hypothermic environment?

ADVANCED Pediatric

Compared with normal adults, which of the following characteristics of neonates best explains the more rapid inhalation induction in neonates?

ADVANCED Pediatric

A successful celiac plexus block can be expected to

ADVANCED Regional & Pain

Bupivacaine is more likely than lidocaine to cause refractory cardiac arrest because bupivacaine

BASIC Pharmacology & Pharmacokinetics

A 6-year-old child with severe cerebral palsy is scheduled for general anesthesia. He is at increased risk for each of the following EXCEPT

ADVANCED Pediatric

Each of the following is a characteristic of prostaglandin E1 (alprostadil) pharmacology in an infant EXCEPT:

ADVANCED Pharmacology & Pharmacokinetics Pediatric

Compared with adults, caudal anesthesia in children is associated with

ADVANCED Pediatric Regional & Pain