10 Random Questions


Which of the following is most effective in decontaminating an anesthesia machine that was splattered with HIV-contaminated blood?

BASIC Equipment & Physics

A 20-year-old patient undergoes a thoracic vertebral stabilization procedure six hours after sustaining an acute transection of the spinal cord at T4. The risks of general anesthesia are greater in this patient than in a patient with an intact spinal cord because of


Which of the following is a cardiorespiratory effect of epidural block to a T4 sensory level?

ADVANCED Respiratory & Critical Care Regional & Pain

Which of the following is the LEAST likely cause of a prolonged prothrombin time?

ADVANCED General

During total cardiopulmonary bypass, metabolic acidosis and decreasing mixed venous oxygen saturation are noted. The most likely cause is

ADVANCED Cardiac

Which of the following is the most likely cause of apnea occurring after a retrobulbar block?

ADVANCED Regional & Pain

A 70-year-old patient is shivering and has chest pain in the PACU following a cholecystectomy. Heart rate is 120 bpm, and blood pressure is 220/120 mmHg. SpO2 is 97% at an FiO2 of 0.4. An ECG shows ST-T wave changes, which are not affected by intravenous administration of nitroglycerin. Which of the following is the most appropriate next step?

ADVANCED General Cardiac

A morbidly obese patient is to undergo gastric stapling during general anesthesia. Following preoxygenation and induction, the oxygen saturation decreases after 40 seconds of laryngoscopy and attempted intubation. The rapid onset of arterial desaturation is most likely due to

BASIC General

You are asked to evaluate a 2000-g male infant three hours after vaginal delivery because of a respiratory rate of 50/min, pulse rate of 115 bpm, and the following arterial blood gas values while breathing room air: PaO2 64 mmHg, PaCO2 43 mmHg, and pH 7.33. His mother received meperidine 75 mg two hours before delivery. Appropriate management includes

ADVANCED Pediatric

In a patient with peripheral vascular disease, the most likely result of lumbar sympathetic block is

ADVANCED Regional & Pain