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 allows access to the bladder for the purpose of draining urine. This access is gained by inserting either a catheter through the urethra into the bladder or a suprapubic catheter through the anterior abdominal wall into the bladder.