How Can a Nurse Reduce the Risk of Malpractice Litigation

How can a nurse reduce the risk of malpractice litigation?  

A) by keeping up to date with knowledge and skills, and seeking attention for patients with changing health status  
B) by involving patients in decision making, documenting objectively, and avoiding physicians  
C) by keeping up to date with current knowledge, seeking physician attention for patients with changing health status, and challenging the patient  
D) by keeping up to date with current and outmoded knowledge, and providing patients with challenges