What is one of the primary uses of the intraosseous route in small animals?

The intraosseous route is primarily used in small animals for delivering fluids, particularly in emergency situations where intravenous access may be difficult, such as in very young, dehydrated, or critically ill patients. This method allows for rapid absorption of fluids and medications directly into the bloodstream due to the rich vascular supply found in the bone marrow.

While delivering anesthetic agents, monitoring blood pressure, and administering vaccines are also important aspects of veterinary practice, they are not the primary uses of the intraosseous route. Anesthetic agents are generally given intravenously or through inhalation, blood pressure monitoring is typically done via non-invasive or invasive IV methods, and vaccines are administered subcutaneously or intramuscularly rather than intraosseously. Thus, the use of the intraosseous route stands out specifically for its effectiveness in prolonged fluid therapy during critical situations in small animals.