You have been called to a preschool for a child in seizure activity. on your arrival, staff direct you to a bed in which a 4-year-old boy is lying. staff state that the child began making "funny" noises in his sleep then began to seize for approximately 60 seconds. your assessment indicates that the boy is responsive to painful stimuli and is breathing, but has gurgling sounds coming from the upper airway. his radial pulse is rapid and strong and his skin is cool and diaphoretic. your immediate action in caring for this child would be to: