Please read the following vignette and watch the video clip (Fig). Figure. A 39–2/7-weeks’ gestation infant is delivered by emergent caesarian delivery due to loss of fetal heart tones. Immediately after the birth, the infant shows no signs of life; the infant is warmed, dried, and positioned. The heart rate is undetectable at 30 seconds, and there is no respiratory effort. Positive pressure ventilation with bag and mask is initiated; 60 seconds after birth, there is still no heart rate. The infant is intubated; positive pressure ventilation is re-established, but the heart rate remains undetectable. The video begins 90 seconds after birth. Which of the following is the most appropriate next step? 1. Administer 0.1 mL/kg of the 1:10,000 concentration of epinephrine subcutaneously. 2. Administer 0.1 mL/kg of the 1:10,000 concentration of epinephrine via the endotracheal tube (ETT). 3. Confirm placement of the ETT with a chest radiograph. 4. Establish vascular access. 5. Perform needle thoracostomy …