Which statement best explains the urinary retention?

RRB Nsg. Superintendent -29 April-2025 (shift-2nd)

Medical & Surgical Nursing

Easy

Appeared in: RRB Nsg. Superintendent -29 April-2025 (shift-2nd)

Explanation

Urinary retention is defined as the inability to partially or completely empty the bladder.
In this condition, the kidneys are functioning and producing urine, but the bladder fails to expel it.
This leads to an accumulation of urine, causing bladder distention, pressure, and discomfort.
It is distinct from kidney failure, where urine production itself is compromised.

Option A: This describes anuria or urinary suppression, which is a failure of the kidneys to produce urine, not a failure of the bladder to empty.
Option C: This describes polyuria, the production of excessive amounts of urine. Urinary retention is the opposite problem – the inability to get urine out.
Option D: A urinary tract infection (UTI) is an infection, typically bacterial, within the urinary system. While chronic retention can increase the risk of UTIs, and a UTI can sometimes contribute to retention, it is not the definition of retention.

Visual 1: Diagram: A visual comparison of a normal bladder versus a distended bladder in urinary retention.
Visual 2: Infographic: A chart differentiating the signs and symptoms of urinary retention, anuria, and polyuria.
Visual 3: Illustration: The anatomy of the lower urinary tract, highlighting potential points of obstruction (e.g., prostate, urethra) that can cause retention.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Definition and pathophysiology of urinary retention as background academic context rather than a clinical decision trigger.
Accurate assessment is critical. A nurse must differentiate between urinary retention and anuria. A patient with retention has a full bladder and needs help emptying it (e.g., catheterization), while a patient with anuria has an empty bladder and a kidney problem.
Post-operative urinary retention (POUR) is a common complication, especially after pelvic or lower abdominal surgery and the use of anesthesia or analgesics. Nurses must monitor for this closely.
What if? If a patient with known Benign Prostatic Hyperplasia (BPH) reports an inability to void for 8 hours, the nurse should suspect acute urinary retention due to obstruction, assess the bladder for distention, and anticipate an order for catheterization.

How to Approach the Question

Identify the key term in the question: "urinary retention".
This is a definition-based question. Your goal is to recall or deduce the precise medical definition of this term.
Evaluate each option against the core concept of 'retention'. Retention implies something is being held back.
Option A is about production (kidneys). Option B is about emptying (bladder). Option C is about excessive production. Option D is about infection.
Recognize that retention specifically refers to the bladder's function of expelling urine, making the 'inability to empty' the most accurate description.

Concept Tested & Keywords

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