10 Random Questions


The primary mechanism for pharmacologic reduction of intraoperative blood loss is


Following paravertebral blocks of the second through fifth intercostal nerves, numbness is noted on the medial aspect of the ipsilateral arm. The most likely cause is


Pain and spasm due to injury of the deltoid muscle is most effectively relieved by


A 38-year-old woman with B-positive blood requires immediate blood transfusion during abdominal hysterectomy. No B-positive blood is available; O-negative blood is used. Three minutes after starting transfusion of packed red blood cells, the patient develops tachycardia, bronchospasm, and hypotension. Which of the following is the most likely cause?


A 30-year-old woman undergoes thyroidectomy under general endotracheal anesthesia. Immediately after extubation while breathing spontaneously, she has laryngospasm that resolves after 60 seconds of continuous positive airway pressure applied by face mask. In the PACU, she develops shortness of breath, tachypnea, hypoxemia, and rales. Which of the following is the most likely diagnosis?

BASIC General

Five minutes after a stellate ganglion block is performed, a patient becomes restless, then apneic. The most likely cause is

ADVANCED Regional & Pain

Which of the following is the most common cause of peroneal nerve damage?


During prolonged labor, a fetal scalp blood sample shows a PO2 of 21 mmHg, a PCO2 of 46 mmHg, and a pH of 7.35. These findings suggest

ADVANCED Pediatric

A celiac plexus block effectively relieves pain at which of the following sites?


A 70-year-old man who has just undergone an abdominal aortic aneurysm repair under halothane anesthesia develops hypertension, dyspnea, and cyanosis shortly after awakening in the recovery room. Administration of furosemide 20 mg intravenously improves the cyanosis within 10 minutes. This immediate effect of furosemide is best explained by

ADVANCED Pharmacology & Pharmacokinetics General