A nurse is monitoring a client who received naloxone to counteract the effects of an opioid overdose. Which of the following findings should indicate to the nurse that the medication is effective?

A. Naloxone administration may lead to an increase in blood pressure, not a decrease. B. While pain relief might occur, the primary goal of naloxone is to reverse respiratory depression, not to relieve pain. C. Naloxone is an opioid antagonist that reverses opioid-induced respiratory depression, so an increased respiratory rate indicates its effectiveness. D. Naloxone does not typically affect body temperature in a significant way.