The Patient Has Received Ketamine for Its Analgesic Effects

The patient has received ketamine for its analgesic effects.The patient suddenly states,"I feel like I am floating and can see everything you are doing.I am not in control." The nurse is aware that this is caused by the ketamine and is known as the

A) hallucination state.
B) guided imagery and will help relieve pain.
C) dissociative state.
D) recommended effect of ketamine.