जॉइन Examsbookउत्तर : 1. "Aldosterone increases sodium reabsorption by increasing the number of Na+-K+ ATPase pumps in the luminal membrane of the proximal tubule."
Which of the following statements about aldosterone is NOT correct?5
प्र: Which of the following statements about aldosterone is NOT correct?
- 1Aldosterone increases sodium reabsorption by increasing the number of Na+-K+ ATPase pumps in the luminal membrane of the proximal tubule.true
- 2Aldosterone is stimulated by decreased plasma sodium levels and increased plasma potassium levels.false
- 3Aldosterone is produced in the adrenal cortex.false
- 4Aldosterone increases the number of passive sodium channels in the luminal membrane of the distal tubule and collecting duct, thus aiding sodium reabsorption.false
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उत्तर : 1. "Aldosterone increases sodium reabsorption by increasing the number of Na+-K+ ATPase pumps in the luminal membrane of the proximal tubule."
व्याख्या :
Answer: A) Aldosterone increases sodium reabsorption by increasing the number of Na+-K+ ATPase pumps in the luminal membrane of the proximal tubule. Explanation: Aldosterone, the main mineralocorticoid hormone, is a steroid hormone produced by the zona glomerulosa of the adrenal cortex in the adrenal gland. It is essential for sodium conservation in the kidney, salivary glands, sweat glands and colon.