A Patient Is Brought to the Emergency Department by Friends

A patient is brought to the emergency department by friends, who report finding the patient difficult to awaken. The friends report removing two fentanyl transdermal patches from the patient's arm. On admission to the emergency department, the patient has pinpoint pupils and a respiratory rate of 6 breaths per minute. A few minutes after administration of naloxone, the respiratory rate is 8 breaths per minute and the patient's pupils are dilated. The nurse recognizes these symptoms as signs of:

A) a mild opioid overdose.
B) decreased opioid drug levels.
C) improved ventilation.
D) worsening hypoxia.