10 Random Questions


Which of the following must be considered during perioperative management of a patient on long-term lithium therapy?

BASIC Pharmacology & Pharmacokinetics General

In the supraclavicular region, the brachial plexus


A 57-year-old man who weighs 150 kg and is 170 cm (67 in) tall is scheduled for cholecystectomy. He has a 100 pack-year smoking history. Which of the following findings on pulmonary function testing are most likely?

ADVANCED Respiratory & Critical Care

Normal pseudocholinesterase

BASIC Pharmacology & Pharmacokinetics

A celiac plexus block provides effective relief of pain associated with primary cancers at each of the following locations EXCEPT the

ADVANCED Regional & Pain

During carotid endarterectomy, blood pressure suddenly decreases from 140/90 to 80/50 mmHg. The EKG shows a heart rate of 42 bpm, with normal sinus rhythm and occasional premature ventricular contractions. The most appropriate therapy is intravenous administration of


During spinal anesthesia in a healthy patient, the sensory level rises to C8. The patient will most likely have


Three hours after total thyroidectomy, a 33-year-old man develops inspiratory stridor. The most likely cause is


Compared with isoflurane, desflurane

BASIC Pharmacology & Pharmacokinetics

A 30-year-old woman develops urticaria immediately after administration of 2% 2-chloroprocaine for removal of a nevus on the chest wall. This reaction resolves with administration of diphenhydramine and the surgery is rescheduled. During the second procedure, a field block is performed using 10 ml of 1% lidocaine from a multidose vial. Within 10 minutes the patient develops urticaria and wheezing and has difficulty breathing. These symptoms resolve with administration of epinephrine. Which of the following substances is the most likely cause of these reactions?