Quiz Answer Key and Fun Facts
1. In the third step of embryogenesis, gastrulation, the primary germ layers become distinct and develop. Which of the primary germ layers does the kidney derive from?
2. The urea that makes up a portion of the urine that leaves our body is made in the liver. What is the main purpose of urea?
3. The kidney is an organ that purifies the blood, which means it must enter and exit the kidney somehow. Does the blood from the kidney enter through the renal artery and exit through the renal vein?
4. The blood begins the filtration process as it enters the glomerulus and into the efferent arteriole. The arteriole constricts and the fluid within the blood, including ions and other small, water-soluble compounds, moves into the glomerular basement through the glomerular capillaries. Once they reach the glomerular capillaries, what structure do they move into?
5. The filtrate that initially passes through the glomerular basement will eventually reach the renal tube. The renal tube is surrounded by peritubular capillaries, whose function is to do which of these?
6. The filtrate travels through a series of tubes that perform different functions. Two of these tubes are known as the proximal convoluted tube and the distal convoluted tube. How is the distal convoluted tube different from the proximal one?
7. When the body's blood has low levels of blood volume, high blood pressure, and high osmolarity. The hormones aldosterone and antidiuretic hormone (ADH) will be released by a certain part of the brain. Which part of the brain releases aldosterone and ADH, respectively?
8. After the filtrate moves through the proximal convoluted tube it heads down through the descending and ascending Loops of Henle. The descending Loop of Henle is permeable to water and is made of squamous epithelial tissue. The ascending loop is not permeable to water and is made from what epithelial cells?
9. Once the urine has made its way through all the filtration it will make its way through the ureter that leads into the urinary bladder. Here the urine remains until it gets the go ahead from the brain to the leave the body through the internal and external sphincter. What is unique about the external sphincter?
10. Which of the following is a characteristic of the wastes that the kidneys are able to filter out?
Source: Author
ThurstAsh
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rossian before going online.
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