d) the basement membrane of the capillary 0. 13.Which of the following is not pa

Question

d) the basement membrane of the capillary 0. 13.Which of the following is not part of theuinyntrato c) ureter d) urethra a) kidney gallbladder 14. The renal pelvis receives urine from: c) the ureters a) the glomerulus b) collecting ducts (d) major calyces 15. Which of these is not a function of the kidney? b) EPO production d) detoxification of free radicals a) gluconeogenesis c) urea production e) osmoregulation 6. Glomeruler filtration rate is controlled by a) autoregulation mechanisms, including juxtaglomerular feedback b) parasympathetic stimulation c) activation of the rennin-angiotension mechanism d) "a" and "c" . Which of the following is the innermost layer of kidney tissue. a) major calyx b) renal pelvis c) renal cortex d) renal medulla

Explanation / Answer

15. c) Urea production is not a function of the kidney because urea is generated from a toxic ammonia through a process of urea cycle which occurs in mitochondria of the liver cell. This urea is further transported to the kidney for filtration and is finally excreted in the urine. All other functions such as gluconeogenesis, EPO(Erythropoietin) production, detoxification of free radicals and osmoregulation are performed by the kidney. The primary function of the kidney is to eliminate metabolic wastes from the blood and its excretion. Through gluconeogenesis, new glucose molecule is synthesised from non-carbohydrate source and kidney equally contributes to this as the liver. Among the other function of the kidney is secretion of hormones to be utilized in the production of red blood cell, regulating blood pressure and improving bone growth. Example of hormone includes calcitriol and erythropoietin. Similarly, the kidney is also responsible for osmoregulation which is a process of regulating body fluids and detoxification of free radicals.  

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