Hormone connected with concentration of urine or reabsorption of water by nephron isa) Oxytocin b) Parathormone c) Androgen d) Vasopressin Correct answer is option 'D'. Can you explain this answer?

Question

Hormone connected with concentration of urine or reabsorption of water by nephron isa)                                  Oxytocin                               b)                                  Parathormone                               c)                                  Androgen                               d)                                  Vasopressin                               Correct answer is option 'D'. Can you explain this answer?

Answer

A. Oxytocin is secreted from the posterior pituitary and helps in the contraction of uterus during childbirth and also stimulates release of milk from mammary glands i.e. lactation.
B. Parathormone is secreted from parathyroid gland. It increases calcium reabsorption from the bones and causes mobilisation of calcium in the blood.
C. Androgen is a sexocorticoid produced by adrenal cortex. It stimulates the deposition of protein in muscles and nitrogen retention in males.
D. Vasopressin or Anti diuretic hormone (ADH) is secreted from the posterior part of pituitary gland. This hormone increases reabsorption of water by nephrons in kidneys and this results in decreased rate of urine production.
So, the correct answer is 'Vasopressin'.

Answer

Vasopressin or ADH acts on the the distal parts of nephron thereby helps in reabsorption of water and it's concentration. option d is correct.

Answer

Vasopressin and Concentration of Urine
Vasopressin, also known as antidiuretic hormone, plays a crucial role in the concentration of urine by regulating the reabsorption of water in the nephron.

Function of Vasopressin
- Vasopressin is produced in the hypothalamus and released by the pituitary gland.
- It acts on the kidneys to increase the reabsorption of water, leading to the concentration of urine.
- When the body needs to conserve water, vasopressin levels increase, causing the kidneys to reabsorb more water and produce concentrated urine.

Importance of Concentrated Urine
- Concentrated urine helps maintain the body's water balance and prevents dehydration.
- By regulating the reabsorption of water in the nephron, vasopressin plays a critical role in maintaining proper hydration levels in the body.

Conclusion
In summary, vasopressin is the hormone connected with the concentration of urine or the reabsorption of water by the nephron. Its functions are essential for regulating water balance and preventing dehydration in the body.

Answer

- Correct Answer:
- Vasopressin (D):
- Vasopressin, also known as antidiuretic hormone (ADH), is the hormone connected with the concentration of urine or reabsorption of water by the nephron.
- It is produced by the hypothalamus and stored in the posterior pituitary gland.
- Vasopressin acts on the kidneys, specifically on the collecting ducts, increasing water reabsorption, which leads to concentrated urine and helps regulate body water levels.
- This hormone plays a crucial role in maintaining water balance in the body.

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