A client has been using cocaine intranasally for 4 years. Two months ago she started freebasing. For the past week she has locked herself in her apartment and has used $8000 worth of cocaine. When brought to the hospital she was unconscious. Nursing measures should include
A. induction of vomiting.
B. administration of ammonium chloride.
C. monitoring of opiate withdrawal symptoms.
D. observation for hyperpyrexia and seizures.