In addition to respiratory depression, the patient should be monitored for which of the following complications? a. Urinary retention, undue somnolence, itching, nausea, and vomiting
b. Urinary incontinence, photophobia, headache, and skin rash
c. Apprehension, anxiety, restlessness, sadness, anger, and myoclonus
d. Gastric bleeding, nasal discharge, cerebrospinal fluid leak, and calf pain