Assume in graphing these data that the independent variable is shown on the horizontal axis and the dependent variable on the vertical axis. 123.Refer to the above data sets. The variables are directly related in:
Share. Albumin is a protein present in the blood. Proteins are normally absent in urine because the kidney cells generally prevent large molecules including proteins, from being excreted. Some proteins may appear in the urine in normal individuals also if blood levels are very high.
When the kidneys spill albumin, it can mean serious kidney damage is present. This can lead to chronic kidney disease. An albumin urine test can be done on a sample of urine that is collected: 1  At a random time. 2  This is usually after the first time you urinate in the morning.3  Over a 24-hour period. 4  Over a specific period of time, such as 4 hours or overnight.n albumin urine test can be done on a sample of urine that is collected: 1  At a random time. 2  Over a 24-hour period. 3  Over a specific period of time, such as 4 hours or overnight.