CUA Surgical Procedures & Perioperative Care 3

Question 1

What is the primary function of a nephrostomy tube left in place after percutaneous nephrolithotomy (PCNL)?

Accepted Answer

Drain urine and blood from the kidney while the tract heals

Answer

Administer antibiotics directly to the collecting system

Answer

Monitor renal blood flow post-operatively

Answer

Prevent renal artery vasospasm

Question 2

Which drainage device is most commonly placed after open renal surgery to evacuate perinephric fluid?

Accepted Answer

Jackson-Pratt closed suction drain

Answer

Foley catheter

Answer

Penrose passive drain

Answer

T-tube drain

Question 3

Six hours after radical prostatectomy, a patient's urinary output suddenly drops to near zero. What is the most likely cause?

Accepted Answer

Urethral catheter obstruction from blood clots

Answer

Acute renal failure from hypotension

Answer

Anastomotic urine leak

Answer

Ureteral ligation

Question 4

Prior to radical cystectomy, which bowel preparation step is routinely performed and why?

Accepted Answer

Mechanical bowel preparation to cleanse the bowel segment used for diversion

Answer

Colonoscopy to rule out polyps

Answer

Total parenteral nutrition for 5 days

Answer

Oral antibiotic irrigation of the colon

Question 5

According to CAUTI prevention guidelines, when should a post-operative indwelling urinary catheter be removed?

Accepted Answer

As soon as it is no longer clinically indicated

Answer

After a minimum of 5 days to ensure healing

Answer

Only after a negative urine culture is confirmed

Answer

At the 7-day mark regardless of clinical status

Question 6

Which intraoperative complication is most feared during retroperitoneal laparoscopic urologic surgery?

Accepted Answer

Major vascular injury causing life-threatening hemorrhage

Answer

Cardiac arrhythmia from CO2 absorption

Answer

Bowel perforation from trocar insertion

Answer

CO2 gas embolism

Question 7

After pelvic lymph node dissection during radical prostatectomy, which post-operative complication involves accumulation of lymphatic fluid in the pelvis?

Accepted Answer

Lymphocele

Answer

Hematoma

Answer

Seroma

Answer

Peritoneal abscess