Whether (1) the trial court erred by denying defendant's motion for a directed verdict on pain and suffering damages; (2) the Court of Appeals erred in upholding the denial of defendant's motion for judgment notwithstanding the verdict ('JNOV') on administrative negligence under N.C.G.S. 90-21.11(2)(b); (3) defendant was entitled to a new trial because it was prejudiced by the alleged intertwining of plaintiff's medical negligence and administrative negligence during trial; and (4) the trial court erred by granting plaintiff's motion for a directed verdict on contributory negligence.