GFR.

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GFR means glomerular filtration rate.it is the amount of the filtrate fromed by the kidneys per minute in a healthy human being.
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Complete the following paragraph by selecting the option that correctly fils the blanks (i)- (iv) The kidney have built-in mechanisms for the regulation of glomerular filtration rate. One such efficient mechanism is carried out by (i)._____ It is a special sensitive region formed by cellular modifications in the (ii)._________ and the (iii)._________ at the location of their contact. A fall in GFR can activate the JG cells to release (iv).________ which can stimulate the glomerular blood flow the thereby brings GFR back to normal

Consider the given statements and choose the correct option (a) many bony fishes , tadpole larva of frog and terrestrial insects are ammonotelic in nature (b) in frog kidneys are mesonephric (c) GFR falls - activation of JG cells - release rennin - GFR normal (d) NaCI is transported by the ascending limb of Henles loop which is exchanged with the ascending portion of visa recta

Which of the following sequence is correct? (i) An increase in body fluid volume rarr switch off the osmoreceptors rarr suppresses the ADH Release (ii) ADH rarr Constricting effect on blood vessel rarr B.P. high rarr Glomerular blood flow more rarr GFR more (iii) Angiotensinogen rarr Angiotensin I rarr Angiotensin II rarr Adrenal cortex rarr Aldosterone (iv) Angiotensin rarr ADH rarr GFR more rarr Aldosterone rarr B.P. high

How many statements are correct: (a) vasarecta is absent or highly reduced in cortical nephrons (b) ammonia is less toxic as compared to urea and requires large amount of water for its elimination (c) GFR in a healthy individual IS approximately 125 mu minute (d) PCT also help to maintain the pH and ionic balance of the body fluid

Consider the following statement each with one or two blanks. (i). The ascending limb of loop of Henle is impermeable to (1).____but allows transport of (2)._____ (ii). (3)._____and (4)._____play a significant role is producing a concentrated urine. (iii). A fall in glomerular blood flow/glomerular blood pressure/GFR can activate the JG cells to release (5)._____ Which one of the following options correctly fills the blanks in any two of the statements?

Read the following statements and choose the correct option (i) Glomerular filtration rate in a healthy individual is about 180 ml/day (ii) All constituents of plasma pass into lumen of Bowman's capsule (iii) 70 - 80% of electrolystes and water are absorbed in PCT (iv) Angiotensin II increases the glomerular blood pressure and GFR (v) Counter current system contribute in concentrating the filtrate

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