Correct (2): During conscious sedation, the nurse must continuously monitor and intervene immediately for respiratory depression: stop sedatives, supplement O2, support ventilation, prepare reversal agents — flumazenil for benzodiazepine (midazolam), naloxone for opioid (fentanyl). (1,3,4) Inappropriate.
In-depth explanation
Memory Tip Conscious sedation = "Midazolam + Fentanyl + Reversal ready (Flumazenil + Naloxone)." Capnography preferred over SpO2 alone. Stop, support, reverse.
For study reference only. Always follow current clinical guidelines and your institution’s protocols.