In assessing a 2-year-old boy with croup, the practical nurse (PN) finds that he has become increasingly irritable and has developed tachypnea and resting stridor. Which intervention is best for the PN to implement?
a) Administer over-the-counter cough syrup.
b) Encourage the child to lie down quietly.
c) Provide a cool mist humidifier and comfort measures.
d) Administer a prescribed bronchodilator.