When having a blood test what does Na K create Urea mean?

Sodium (Na) is a positively charged ion (cation) that helps regulate the body's fluid balance. It is the most abundant cation in the extracellular fluid (ECF), which is the fluid outside of cells. Sodium helps to maintain the body's osmotic balance, which is the balance of water and solutes in the body.

Potassium (K) is another positively charged ion (cation) that helps regulate the body's fluid balance. It is the most abundant cation in the intracellular fluid (ICF), which is the fluid inside of cells. Potassium helps to maintain the body's electrical potential, which is essential for the function of nerves and muscles.

Creatinine is a waste product that is produced when the body breaks down muscle tissue. Creatinine is filtered out of the blood by the kidneys and excreted in the urine. Creatinine levels in the blood can be used to assess kidney function.

Urea is another waste product that is produced when the body breaks down protein. Urea is also filtered out of the blood by the kidneys and excreted in the urine. Urea levels in the blood can be used to assess kidney function.

BUN (blood urea nitrogen) is a measure of the amount of nitrogen in the blood that comes from urea. BUN levels can be used to assess kidney function.