10 Random Questions


When treating reflex sympathetic dystrophy of an arm, which of the following is the best indicator of a successful sympathetic blockade?


A patient has pain in the left thoracic wall associated with metastatic rib lesions. An intrathecal neurolytic block with 6% phenol in glycerin is planned for pain relief. Prior to performing the block, the patient should be placed in which of the following positions?

ADVANCED Regional & Pain

Which Mapleson breathing circuit shown in the illustration permits the LEAST amount of fresh gas inflow to prevent rebreathing during spontaneous ventilation?

BASIC Equipment & Physics

During a craniotomy for a supratentorial tumor, a 28-year-old man receives isoflurane 0.75% in nitrous oxide 70% and oxygen. Ventilation is controlled to maintain PaCO2 at 25 mmHg. Nasopharyngeal temperature is 35.8°C. While the dura mater is open, the surgeon complains that the brain is bulging. The most appropriate management at this time is to

ADVANCED Neuro

Cessation of smoking on the day prior to an operation is associated with a perioperative

BASIC Respiratory & Critical Care

Which of the following is the most reliable indicator of adequate reversal of neuromuscular block?

BASIC General

Each of the following conditions causes resistance to nondepolarizing neuromuscular blockade EXCEPT

BASIC Pharmacology & Pharmacokinetics

When evaluating a screening test, which of the following is the most appropriate term for the proportion of patients with a disease who have a positive test result?

BASIC General

Epinephrine is less effective in prolonging epidural anesthesia with bupivacaine than epidural anesthesia with lidocaine because

BASIC Pharmacology & Pharmacokinetics Regional & Pain

When inspired anesthetic gases are humidified

BASIC Equipment & Physics