If a factor in raising the productivity of labor is not used in the production process, it is referred to as a reserve for increasing labor productivity. Reserves are classified according to their association with a particular production process, an economic sector, or the national economy.
Definition. 1  Urinary catheterization is the insertion of a catheter into a patient's bladder. The catheter is used as a conduit to drain urine from the bladder into an attached bag or container.
Urinary Catheterization. Introduction. Urinary catheterization is the introduction of a catheter through the urethra into the urinary bladder. (Urine can also removed by means of a suprapubic catherter which is inserted by a physician, usually at the time of surgery). The urinary tract is a sterile system so strict sterile technique is used for catheterization. 1  Relief of urinary retention. ( 2 bladder normally hold 250-450 ml but may distend to 3000 ml). 3  Accurate assessment of urinary output (acutely ill). 4  Bladder decompression, for abdominal and pelvic surgery. 5  Urologic surgery.