Which assessment technique provides the most useful data when the nurse is concerned about possible urinary retention?

A. Auscultating below the umbilicus is not effective for assessing urinary retention.B. Palpating the area above the pubic symphysis allows the nurse to assess for bladder distention, which is a direct indicator of urinary retention.C. Measuring the girth of the lower abdomen can be useful but is less specific than palpation for assessing bladder fullness.D. Observing the urine's appearance does not directly assess for urinary retention.