Flashcards
Kidney Functions and Structure
Flashcards do conjunto (7)
- 1Functions of the kidney?Filters blood, excretion: urea, creatinine and uric acid, reabsorption: glucose and amino acids, regulation: water, electrolytes, acid-base balance
- 2What important hormones does the kidney produce?1,25-dihydroxycholeciferol: Acts on guts to promote calcium absorbtion.
Erythropoietin: Acts on bone marrow to promote haemoglobin synthesis - 3Explain struction of kidneyContains millions of nephrons that filter blood and produce urine. Nephrons contain the glomerulus, proxial tubule, loop of henle, distal tubule, collecting duct.
- 4Explain the glomerulusBlood flows in and out. Contains a knot of capillaries called the Bowman's Capsile. Blood is filterd through the glomerular basement membrane. Filtration is dependent on blood presure, molecule size and change. Buffers urine hydrogen.
- 5Explain the Proximal TubuleEssential compounds filterd through the glomerulus are mostly reabsorbed. Most is active. Water is passive. Sodium uses pumps. Glucose is fully reabsorbed.
- 6Explain Loop of HenleHas a desending limb and asending limb in the medulla. Site of sodium and chloride reabsorbion by osmotic mechanisems called countercurrent multiplication and exchange.
- 7Explain Distal Tubule and collecting ductSodium, potassium and hydrogen regulation. Antidiuret hormone enables reabsorbtion of water. Parathyroid hormone enables reabsorbion of calcium.
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- Bacharel Clinical Biochemistry (Renal) FlashCards sobre Kidney Functions and Structure, criado por jmills em 30-10-2013.
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