10 Random Questions


An anesthesia machine is set to deliver oxygen 2 L/min, nitrous oxide 2 L/min, and sevoflurane. After 30 minutes of stable anesthesia, which of the following, is the most likely cause of a decrease in the oxygen analyzer reading from 50% to 30%?

BASIC Equipment & Physics

A 70-kg, 77-year-old man Is undergoing left nephrectomy with nitrous oxide, oxygen, fentanyl, and midazolam anesthesia. He has a 90 pack-year history of cigarette smoking and has chronic obstructive pulmonary disease. One hour after incision, expiratory wheezing occurs and peak Inspiratory pressure increases from 35 to 65 cmH20; end-tidal PCO2 is unchanged, but SpO2 decreases from 97% to 88%. The most likely cause is

ADVANCED Respiratory & Critical Care General

A 70-kg man has stable 80% neuromuscular block induced with d-tubocurarine. Compared with neostigmine 3 mg, antagonism with edrophonium 70 mg will

BASIC Pharmacology & Pharmacokinetics

Which of the following findings on the left is most likely to be associated with an increased risk of complications with cannulation of the left internal jugular vein compared with cannulation of the right internal jugular vein?

ADVANCED General

Which of the following is an effect of acetazolamide?

ADVANCED Pharmacology & Pharmacokinetics

A 24-year-old woman requires anesthesia for emergency repair of open fractures of the tibia and fibula. She used cocaine two hours ago. Blood pressure is 170/110 mmHg. Each of the following is useful in managing the hypertension EXCEPT

BASIC Pharmacology & Pharmacokinetics

Intrathecally administered opioids exert their analgesic effects primarily in the

BASIC Pharmacology & Pharmacokinetics

Which of the following is a side effect of beta-adrenergic blockade?

BASIC Pharmacology & Pharmacokinetics

Which of the following decreases the risk for burns during electrocauterization?

BASIC Equipment & Physics

During enflurane anesthesia for colectomy in a 75-year-old man with sepsis, urine output decreases to 10 ml/hr. Heart rate is 120 bpm, blood pressure is 100/50 mmHg, central venous pressure is 10 mmHg, and pulmonary artery occlusion pressure is 15 mmHg. The most appropriate management at this time is to

ADVANCED General