Recent questions tagged ch19

Analysis of urine helps in clinical diagnosis of many metabolic disorders as well as malfunctioning of kidney. <br>1. Presence of glucose in urine is indicative of diabetes mellitus <br>2. Presence of ketones in urine is indicative of diabetes insipidus

asked Apr 3, 2014 by pady_1

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Regarding Reabsorption and tubular secretion in urine formation - choose the incorrect option :

asked Apr 3, 2014 by pady_1

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Regarding renal excretion - choose the incorrect option :

asked Apr 3, 2014 by pady_1

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Juxta glomerular apparatus (JGA) - choose the incorrect option :

asked Apr 3, 2014 by pady_1

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Regarding ANF mechanism -

asked Apr 3, 2014 by pady_1

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1. The flow of filtrate in the two limbs of Henle’s loop is in opposite directions and thus forms a counter current. 2. But the flow of blood through the two limbs of vasa recta is not in a counter current pattern. Regarding 1 and 2 :

asked Apr 3, 2014 by pady_1

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Regarding Collecting duct - choose the incorrect one:

asked Apr 3, 2014 by pady_1

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Distal Convoluted Tubule (DCT): 1. Conditional reabsorption of Na+ and water takes place in this segment. 2. DCT is also capable of reabsorption of HCO3– and selective secretion of hydrogen and potassium ions and NH3 to maintain the pH and sodium-potassium balance in blood. Regarding 1 and 2 :

asked Apr 3, 2014 by pady_1

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Regarding Henle’s Loop - choose the correct one:

asked Apr 3, 2014 by pady_1

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Regarding Proximal Convoluted Tubule (PCT) - choose the incorrect one:

asked Apr 3, 2014 by pady_1

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1. The distal convoluted tubules of many nephrons open into a straight tube called collecting duct, many of which converge and open into the renal pelvis through renal columns. 2. The Malpighian corpuscle, proximal convoluted tubule and distal convoluted tubule of the nephron are situated in the cortical region of the kidney whereas the loop of Henle dips into the medulla. Regarding 1 and 2 :

asked Apr 3, 2014 by pady_1

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Which of the following is not true regarding anatomy of kidney?

asked Apr 3, 2014 by pady_1

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Which of the following is not true regarding ammonotelic, ureotelic and uricotelic organisms?

asked Apr 3, 2014 by pady_1

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Regarding excretion of waste products by organs other than kidney - choose the correct option :

asked Apr 3, 2014 by pady_1

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1. Renal calculi are Stone or insoluble mass of crystallised salts (oxalates, etc.) formed within the kidney. 2. Glomerulonephritis is Inflammation of glomeruli of kidney. Regarding 1 and 2 :

asked Apr 3, 2014 by pady_1

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Increase in the amount of ammonia in the blood leads to

asked Apr 3, 2014 by pady_1

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Small amounts of urea enter the _____ (K) of _ (J) which is transported back to the interstitium by the _____ (L). The above described transport of substances facilitated by the special arrangement of Henle’s loop and vasa recta is called the counter current mechanism that helps to maintain a concentration gradient in the _ (C). Presence of such interstitial gradient helps in an easy passage of water from the _______ (L).

asked Mar 26, 2014 by pady_1

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___ (D) is transported by the (E) of _ (J) which is exchanged with the ____ (G) of _ (I). (D) is returned to the interstitium by the (H) of __ (I).

asked Mar 26, 2014 by pady_1

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The proximity between the _ and , as well as the in them help in maintaining an increasing osmolarity from 300 mOsmolL–1 in the _ (A) to about 1200 mOsmolL–1 in the _____ (C). This gradient is mainly caused by _ and ________ .

asked Mar 26, 2014 by pady_1

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Each nephron has two parts – the glomerulus and the renal tubule. Glomerulus is a tuft of capillaries formed by the _______ (A). Blood from the glomerulus is carried away by an (B). The renal tubule begins with (C), which encloses the glomerulus. alongwith _ (C), is called the (D). The tubule continues further to form a highly coiled network – __ (E).

asked Mar 26, 2014 by pady_1

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A hairpin shaped __________ (C) is the next part of the tubule which has (D) and _ (E). The _ (H) emerging from the (I) forms a fine capillary network around the renal tubule called the peritubular capillaries. A minute vessel of this network runs parallel to the (C) forming _______ (J) .

asked Mar 26, 2014 by pady_1

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Each nephron has two parts – the glomerulus and the renal tubule. The renal tubule begins with (A) and continues further to form a highly coiled network – (B) . (C) is the next part of the tubule whose ascending limb continues as another highly coiled tubular region called (F). The (F) of many nephrons open into a straight tube called _________ (G) .

asked Mar 26, 2014 by pady_1

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Identify F,G, H, I and J in order :

asked Mar 26, 2014 by pady_1

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Inside the kidney there are two zones, an _____ (A) and an _ (B). The medulla is divided into a few conical masses (C) projecting into the . The cortex extends in between the medullary pyramids as ____ (E).

asked Mar 26, 2014 by pady_1

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