Final answer:
Cefazolin IV can potentiate nephrotoxicity when administered concurrently with certain medications, such as Gentamicin, Tobramycin, and Vancomycin.
Step-by-step explanation:
The nurse should identify that cefazolin IV can potentiate nephrotoxicity if administered concurrently with Gentamicin, Tobramycin, or Vancomycin. These medications are known to have nephrotoxic effects and can increase the risk of kidney damage when given together with cefazolin.