What Is One Important Nursing Consideration When Performing a Bladder

What is one important nursing consideration when performing a bladder catheterization on a young boy?

A) Use a clean technique, not routine practices.
B) Insert 2% lidocaine lubricant into the urethra.
C) Lubricate catheter with water-soluble lubricant such as K-Y Jelly.
D) Delay catheterization for 20 minutes while anaesthetic lubricant is absorbed.