You are monitoring a 2 kg kitten being spayed at the humane society; she is intubated and is on isoflurane gas for maintenance. she is on iv fluids at 10 ml/hr. her blood pressure starts to drop during the procedure. you have already given her a bolus of fluids. which of the following should you do first to try to increase her blood pressure?

turn down the anesthetic gas [ correct answer ]

give a 90 ml/kg bolus of a crystalloid fluid intravenously

give a dose of atropine

turn off the heat support to prevent peripheral vasodilation, which decreases blood pressure