The routine kidney blood test is a general marker of kidney function. If the blood test is abnormal it cannot say what is causing the kidney problem. Therefore, if you have an abnormal result you may need further tests to find the cause of a kidney problem.
A unit can mean an apartment, villa, or home unit. In the sense of an apartment, it refers a situation where a group of apartments are contained in one storey or multi-storied building. If the unit is taken as to mean villa unit or a home unit, we are talking about one or many single storey buildings. These buildings are arranged around a driveway. One of the main differences between a unit and a townhouse is that a unit gives more importance to the building. Hence, it is understood for sure that a unit need not be a terraced one. In some countries, you can find units too in a terraced fashion.
Key difference: A unit is any dwelling which is intended to be used as living quarters. A unit and an apartment are both a kind of dwelling intended to be used as a residence. A unit is any dwelling which is used as living quarters, whereas an apartment is a specific type of a unit. An apartment, also know as a flat or condo, is a self-contained housing unit, a type of residential real estate, that occupies only part of a building. The building is usually two or more floors.