In Valentine v. Walker Feilbach Funeral Home (Mar. 6, 1981), 6th Dist. No. L-80-054, 1981 Ohio App, there was testimony regarding the control exercised by the hospital physician over the ambulance driver. That is, the physician, who rode in the ambulance with the patient, could direct the driver to pull over or activate his siren. Moreover, the Valentine court found the testimony created an "issue of fact which was properly determined by the jury."