urine

  1. D

    MD Question for MD students @ Albert Einstein ONLY!!!

    I have a bit of a weird question to ask MD students who are/were attending Albert Einstein. I was wondering if there is a urine drug screening prior to orientation or during orientation. Obviously, I know that there will be urine tests later in clinical years and beyond in this profession, but...
  2. Akam ahz

    Water Excretion by the kidney

    Hello, I'm seeking a simple explanation for this passage in my physiology text book, the author of the passage discusses water reabsorption and excretion in the renal tubules. The passage: "Normally 180 L of fluid is filtered through the glomeruli each day, while the average daily urine...
  3. M

    Which is better 24 hour urinary cortisol vs 9am?

    Hi, Just studying cushing's at the moment and I'm a little confused about measuring cortisol levels. From my understanding, correct me if I am wrong, you need to measure urine cortisols, either at a specific time during the day in all patients (eg 9am or midnight) or after collecting the urine...
  4. iaskdumbquestions

    Urinalysis help

    Urinalysis are not so straightforward when you're looking at a result and are the one responsible for choosing what to do with it. The more I see, the more I realize that unless it's a rip-roaring infection, and the clinical picture is hazy (or downright counterintuitive), I am not 100%...
  5. B

    Hypertonic Urine?

    The primary function of the nephron is to produce urine which is hypertonic to the blood. This is to conserve water in the body. My question is, why is it conserving water? Wouldn't the nephron only concentrate urine if say, ADH or aldosterone was secreted, that way the body would increase...