A. Initiating IV access on a client scheduled for a CT scan with contrast
B. Developing a teaching plan for a client newly diagnosed with diabetes
C. Administering morphine IV push to a client with renal colic
D. Monitoring a client 24 hours post-op after hip replacement for signs of infection
Answer: D
Rationale: LPNs can monitor stable post-op patients. Tasks requiring assessment, teaching, and IV push meds (especially opioids) are RN responsibilities. The RN must understand the scope of practice for RNs, LPNs, and PCTs.