We had to stop eating and drinking normally 9pm the night before the lab. And when we woke, we voided once and then one person had to drink 1L of water /hr and the other didn't drink anything. Once we arrived at the lab, we had to void again and use the collected urine to do some calculations and demonstrate the use of osmolar and free water clearance to see how well our kidneys were working in increasing the excretion of solute-free water upon a water challenge. (I seriously don't know what that means right now, need to do some studying haha).
For some reason, it was such a challenge for me to drink so much water in such a short period of time. People were taking 1L like nothing, but I felt so full (to the point of feeling nausea) after about 400 ml. My body can't take so much water all at once unless I'm excercising heavily. I was surprised to see how much urine some of my colleagues could generate. Here's a picture of my histology lab partner Ryan madly calculating away. And here I am in the picture looking like I'm about to drink my own pee. Bottoms up!
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