Detrusor muscle overactivity with urinary frequency, urgency, and sudden urge to urinate describes which condition?

• A. Oliguria
• B. Polyuria
• C. Urinary Hesitancy
• D. Overactive Bladder

Answer: (D)

The main idea here is detrusor overactivity during bladder filling. When the detrusor muscle contracts involuntarily as the bladder fills, it triggers a sudden urge to urinate. This leads to urinary frequency (going more often than normal) and urgency (a strong, sudden desire to void), and can include a sudden urge with leakage. That pattern is classic for overactive bladder, a syndrome defined by urgency with or without urge incontinence, often accompanied by frequency and sometimes nighttime awakenings.

Oliguria would mean abnormally low urine output, not a problem with detrusor contractions. Polyuria is excessive urine production, not about urgency. Urinary hesitancy is difficulty starting urination, which points to problems with initiating flow rather than involuntary contractions during filling.