**Core Concept**
The identification of ureters during surgery is crucial to avoid iatrogenic injury. Ureters are muscular tubes that transport urine from the kidneys to the bladder. They are retroperitoneal structures that run close to major blood vessels.

**Why the Correct Answer is Right**
Since the options are not provided, a general explanation is given. Ureters can be identified by their characteristic peristaltic movements, vermiform shape, and proximity to the external iliac arteries. They can also be traced from the kidney to the bladder.

**Why Each Wrong Option is Incorrect**
No options are provided to explain.

**Clinical Pearl / High-Yield Fact**
Ureteric injury is a serious complication that can occur during pelvic surgery. It is essential to identify the ureters carefully to avoid such injuries.

**Correct Answer:** D. Watching for ureteral peristalsis and location near external iliac arteries