Which of the following is NOT one of the four functions of epithelial tissue?

Which skin layer contains melanocytes?

A) Dermis B) Hypodermis C) Epidermis D) Connective tissue

You have just delivered a newborn who was initially apneic and cyanotic. After suctioning, drying, warming, and stimulating the infant and administering blow-by oxygen, you find that the infant has a ventilatory rate of 35 with signs of respiratory distress, a weak brachial pulse of 70, and continuing central cyanosis. Which of the following should you do next?

A) Start an IV using the umbilical vein and administer a 20 mL/kg fluid bolus. B) Begin chest compressions at a rate of 120 per minute and reevaluate after 1 minute. C) Perform ventilations with a bag-valve-mask device and supplemental oxygen. D) Intubate and instill 0.04 mg of epinephrine diluted in saline into the tube.