**Core Concept**
Intraperitoneal bladder rupture is a serious urological emergency characterized by the leakage of urine from the bladder into the peritoneal cavity. This condition requires prompt diagnosis and management to prevent severe complications such as peritonitis, sepsis, and long-term kidney damage.

**Why the Correct Answer is Right**
The management of intraperitoneal bladder rupture involves the following steps: immediate cessation of anticholinergic medications, intravenous fluid resuscitation, and surgical intervention to repair the bladder rupture. The initial surgical approach may involve a suprapubic catheter placement to drain the bladder and a laparotomy to explore the peritoneal cavity and repair the bladder injury. In some cases, a cystoscopy may be performed to assess the urethral integrity and to rule out urethral injuries.

**Why Each Wrong Option is Incorrect**
**Option A:** This option is incorrect because immediate surgical intervention is not always necessary in the management of intraperitoneal bladder rupture. While surgical repair is often required, stabilization of the patient's vital signs and assessment of the severity of the injury are critical before proceeding with surgery.

**Option B:** This option is incorrect because the use of anticholinergic medications is actually contraindicated in the management of intraperitoneal bladder rupture. These medications can worsen the condition by decreasing bladder contractility and increasing the risk of urinary retention.

**Option C:** This option is incorrect because a suprapubic catheter placement is a critical step in the management of intraperitoneal bladder rupture, but it is not the first step. The patient's vital signs must be stabilized before proceeding with catheter placement.

**Clinical Pearl / High-Yield Fact**
Intraperitoneal bladder rupture is a medical emergency that requires prompt recognition and management. A high index of suspicion is necessary to diagnose this condition, and the initial management should focus on stabilizing the patient's vital signs and preventing further complications.

**Correct Answer:** C.