(a) The supervising anesthesiologist delegating activities to an anesthesiologist assistant shall be legally liable for such activities of the anesthesiologist assistant, and the anesthesiologist assistant shall in this relationship be the anesthesiologist’s agent.
(b) Nothing in this chapter shall be construed as prohibiting an anesthesiologist from delegating to an anesthesiologist assistant certain activities relating to medical care and treatment now being carried out by custom and usage when such activities are under the control of the anesthesiologist. Nothing contained in this chapter shall be construed to apply to nurses acting pursuant to chapter 28 of this title.