Question

In a pregnant women, which hormone is responsible for the rise in aldosterone?

Answer 1

Aldosterone is the hormone responsible for the rise in aldosterone in a pregnant woman. It promotes sodium reabsorption and water retention. Progesterone, a hormone similar to aldosterone, also plays a role in water recovery.

Step-by-step explanation:

Aldosterone is the hormone responsible for the rise in aldosterone in a pregnant woman. It is released from the adrenal cortex in response to angiotensin II or directly in response to increased plasma K+. Aldosterone promotes the reabsorption of sodium by the nephron, which leads to the retention of water. It also regulates potassium levels. Progesterone, a hormone structurally similar to aldosterone, weakly stimulates sodium reabsorption and water recovery.

Answer 2

In a pregnant woman, the rise in aldosterone is primarily stimulated by angiotensin II, which is released in response to low blood pressure. Aldosterone promotes the reabsorption of sodium and water, increasing blood volume and blood pressure.

Step-by-step explanation:

In a pregnant woman, the rise in aldosterone is primarily stimulated by angiotensin II. This hormone is released in response to low blood pressure. When blood pressure drops, the renin-angiotensin-aldosterone system (RAAS) is activated. Angiotensin II then causes the release of aldosterone by the adrenal cortex, which promotes the reabsorption of sodium and water, leading to increased blood volume and blood pressure.

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