On a computer, the radiologist will watch the progress of the radioactive tracer through your body. In some cases, you might need additional imaging within 24 hours if original images aren't satisfactory. After the procedure. In most cases, you can go about your day after your scan. The small amount of radioactive tracer will lose its reactivity or pass through your urine and stool over the next day or two.
Amniotic Fluid Origin and Production. The fluid is produced by the motherâs placenta during the first trimester and the early part of the second trimester, until the babyâs kidneys are mature enough to take over the task.
In producing urine, the kidneys excrete wastes such as urea and ammonium, and they are also responsible for the reabsorption of water, glucose, and amino acids. The kidneys also produce hormones including calcitriol, erythropoietin, and the enzyme renin. Filtering out wastes to be excreted in the urine. 2  Regulating blood pressure via both urinary excretion of wastes and initiating the renin-angiotensen hormone regulatory system. 3  Regulating an acid-base balance via the bicarbonate system. 4  Stimulating red blood cell production via the release of the hormone erythropoietin.