Kidney Function On Blood Work. The kidneys are powerful chemical factories that perform the following functions. But the function is impaired due to reduced blood flow.
Other hormones produced by the kidneys help regulate blood pressure and control calcium metabolism. The kidney tissues need oxygen carried in the blood to function normally. This test is a blood test that looks at how much creatinine is in the bloodstream.
Blood urea nitrogen.
It is then flushed out of our bodies through the urine. This blood test examines whether creatinine is building up in your blood. Too much creatinine in the blood can mean that the kidneys are not performing their job. Blood tests such as bun or blood urea nitrogen help assess whether the kidneys are functioning properly or not.