Surgery A patient requiring total parental nutrition for more than a month via central venous catheter. All are done except A Change central venous catheter tube every two weeks routinely B LFT, BUN must be done weekly once C Electrolytes must be checked every 2-3 days once D Sudden glucose intolerance is an early sign of sepsis 💡 Explanation A patient requiring total parental nutrition for more than a month via central venous catheter. All are done except ✓ Correct Answer: A. Change central venous catheter tube every two weeks routinely