MEDICAL
URINARY BLADDER
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The primary purpose of the collecting system is?
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Transport urine from the renal pelvis to ureters
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To reabsorb sodium ions from the tubular fluid
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Transport urine from the bladder to urethra
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Make adjustments to the osmotic concentration and volume of urine
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Explanation:
Detailed explanation-1: -Urine concentrating mechanism in the outer medulla This active NaCl reabsorption raises the osmolality of interstitial fluid and promotes the osmotic reabsorption of water from the tubular fluid of descending limbs and collecting ducts.
Detailed explanation-2: -The main role of the collecting duct is the reabsorption of water, through the action of anti-diuretic hormone (ADH) and aquaporins. ADH is produced in the hypothalamus, and stored in the posterior pituitary gland until it is released.
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