General Sample Video Questions

Please view the general sample videos below.

A 4-year-old boy is emerging from general anesthesia after an adenoidectomy. He is still intubated and spontaneously breathing 100% oxygen. Which of the following conditions is the MOST likely cause of the changes illustrated in the monitored physiologic values?

A. Hypoventilation
B. Bronchial mucous plug
C. Bronchospasm
D. Partial endotracheal tube obstruction

Answer: B

This ultrasound image was obtained by placing a transducer on the right neck approximately 5 cm above the clavicle. Four structures are labeled with the letters A through D. Which of the following structures represents the internal jugular vein?

A. A
B. B
C. C
D. D

Answer: C

A 65-year-old woman is receiving a general anesthetic with 1% isoflurane in air and oxygen, a fentanyl infusion, and vecuronium for a radical hysterectomy. In spite of having received 3 units of packed red blood cells and 4 liters of normal saline for volume replacement, she is requiring phenylephrine, 20 mcg/min, to support her blood pressure. Her hematocrit is 32% and her blood pressure is 80/40 mmHg. Based on the intraoperative transesophageal findings shown here, administration of which of the following is MOST indicated?

A. Esmolol
B. Dopamine
C. Norepinephrine
D. Crystalloid

Answer: D