What is the incidence of a transient heart rate increase in administration of an intraosseous injection of epinephrine containing solutions? a. The incidence of a transient heart rate increase is less than 5% b. The incidence of a transient heart rate increase is between 5-10% c. The incidence of a transient heart rate increase is between 10-15% d. The incidence of a transient heart rate increase is greater than 15%