EASY
AP EAPCET
IMPORTANT
Earn 100

To maintain a concentration gradient in the medullary interstitium, ______
(a)Passes out of the descending limb of Henle's loop and enter the blood of the descending limb of vasa recta
(b)Passes out of the descending limb of Henle's loop and enter the blood of the ascending limb of vasa recta
(c)Passes out of the ascending limb of Henle s loop and enter the blood of the ascending limb of vasa recta
(d)Passes out of the ascending limb of Henle's loop and enter the blood of the descending limb of vasa recta

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Important Questions on Excretory Products and Their Elimination
HARD
AP EAPCET
IMPORTANT
Study the following statements
I) In embryonic stage, the interventricular septum of human heart has foramen ovale.
II) Tunica media of human artery has elastic lamina on either side.
III) Excretory organs of arachnids are coxal glands.
IV) Angiotensin II stimulates the Juxtaglomerular cells to secrete the enzyme renin.
Pick up the incorrect statements from the above:

MEDIUM
AP EAPCET
IMPORTANT
Match the following related to disorders of excretory system ?
List I | List II | ||
(i) | Renal Calculi | (a) | Uric acid and oxalates |
(ii) | Glomerulonephritis | (b) | Hemodialysis |
(iii) | Uremia | (c) | Creatinine |
(iv) | Renal failure | (d) | Diabetes insipidus |
(e) | Inflammation |

MEDIUM
AP EAPCET
IMPORTANT
Assertion (A): Renal calculi or kidney stones are hard crystalline structures formed in the urinary tract
Reason (R): Renal calculi are formed when the concentration of uric acid and oxalates in urine becomes less
