which substance is an abnormal constituent of urine
Sugar or glucose, is an abnormal constituent in urine because the body seeks to filter and reabsorb any molecules that are beneficial to life.In normal concentrations in the â¦ blood, glucose is reabsorbed efficiently by the renal tubules and there won't be a measurable amount in the urine.ormal constituents of urine Protein: In normal condition we excrete 20-80 mg protein in a day. But when albumin and globulin are found in illness condition then it is called â¦ Proteinuria. When a patient is suffering from nephritis, nephrosis, leucomia then excess amount of protein is detected in urine.