The Patient Is Scheduled for a Cystogram Via a Cystoscope

The patient is scheduled for a cystogram via a cystoscope. Which is the best explanation of this procedure by the nurse?

A) "Your doctor will insert a lighted tube into the bladder through your urethra, inspect the bladder, and instill a dye that will outline your bladder on x-ray film."
B) "Your doctor will inject a dye into a vein in your arm that is carried to the urinary system. Then a lighted tube in your bladder is used to see when the dye appears."
C) "Your doctor will insert a lighted tube into the bladder and inject a dye into your kidneys through little catheters inserted into the ureters."
D) "Your doctor will place a catheter into an artery in your groin and inject a dye that will visualize the blood supply to the kidneys."