If no goals are associated with a plaything, it is a toy. (Crawford notes that by his definition, (a) a toy can become a game element if the player makes up rules, and (b) The Sims and SimCity are toys, not games.) If it has goals, a plaything is a challenge.
Topic Overview. The post-void residual (PVR) urine test measures the amount of urine left in the bladder after urination. The test is used to help evaluate: Incontinence (accidental release of urine) in women and men. Urination problems. An enlarged prostate (benign prostatic hyperplasia, or BPH).
Vesicoureteral reflux (VUR) is characterized by the retrograde flow of urine from the bladder to the kidneys. VUR may be associated with urinary tract infection (UTI), hydronephrosis, and abnormal kidney development (renal dysplasia).