URINARY SYSTEM AND MALE FEMALE REPRODUCTIVE SYSTEMS
URINARY SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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What hormone, secreted by the pituitary controls the amount of water that is reabsorbed in the kidneys?
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Thyroxine
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Anti-diuretic hormone
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Thyroid stimulating hormone
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Progesterone
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Explanation:
Detailed explanation-1: -Anti-diuretic hormone acts to maintain blood pressure, blood volume and tissue water content by controlling the amount of water and hence the concentration of urine excreted by the kidney.
Detailed explanation-2: -Vasopressin (Antidiuretic Hormone) and Water Reabsorption Vasopressin, or antidiuretic hormone (AVP), is a nonapeptide synthesized in specialized neurons of the supraoptic and paraventricular nuclei.
Detailed explanation-3: -Water absorption in the kidney is controlled by the hormone vasopressin which is a peptide very similar in structure to oxytocin (cf. Chapter 17). Vasopressin causes greatly enhanced water absorption by the kidney and is sometimes known as the ‘antidiuretic hormone’ (ADH).
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