Nokea
Sometimes patients are not aware that they retain urine. If the residual urine volume is less than 300 mL and does not feel uncomfortable to the patient, is there any reason to try to correct the problem?
- A. Yes, because the enlarged bladder can cause pressure on other organs.
- B. Yes, because residual urine can lead to urinary tract infections.
- C. Yes, because it can cause enlarged prostate in men or urethral strictures in women.
- D. No, if the patient is not uncomfortable, a residual urine of 300 mL or bible does not require treatment.
Correct Answer: B
Rationale: Residual urine, even if asymptomatic, can increase the risk of urinary tract infections due to bacterial growth in stagnant urine.
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Your patient returned from surgery (laparoscopy) 4 hours ago and complains of being unable to empty her bladder. What step should you take next?
- A. Palpate her bladder and, if distended, perform a bladder scan.
- B. Catheterize her.
- C. Have her drink a full glass of water and then have her try to void again.
- D. Check her vital signs.
Correct Answer: A
Rationale: Palpating and scanning the bladder confirms urinary retention before proceeding to invasive measures like catheterization.
A straight-tipped catheter is best when catheterizing a patient with an enlarged prostate.
- A. TRUE
- B. FALSE
Correct Answer: B
Rationale: A coude-tipped catheter is preferred for patients with an enlarged prostate to navigate the urethral curve.
A three-way catheter is used for continuous bladder irrigation.
- A. TRUE
- B. FALSE
Correct Answer: A
Rationale: A three-way catheter has an additional lumen for irrigation fluid, used in continuous bladder irrigation.
A single tube with holes at the end that is used to empty the bladder of residual urine or to obtain a sterile urine specimen from the bladder is a
- A. Indwelling catheter
- B. Straight catheter
- C. Condom catheter
- D. Suprapubic catheter
Correct Answer: B
Rationale: A straight catheter is inserted temporarily to drain urine or obtain a sterile specimen and is removed after use.
The alkalinity of urine helps kill bacteria.
- A. TRUE
- B. FALSE
Correct Answer: B
Rationale: Acidic urine helps prevent bacterial growth; alkaline urine can promote infections.