ANATOMY
RENAL TRACT AND RETROPERITONEUM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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vasopressin
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aldesterone
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oxycotin
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renin
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Detailed explanation-1: -Vasopressin (also called antidiuretic hormone) plays a role in regulating the circadian rhythm-the periods of sleepiness and wakefulness in a 24-hour cycle. Vasopressin also helps maintain the body’s internal temperature, its blood volume, and the proper flow of urine from the kidneys.
Detailed explanation-2: -Vasopressin promotes renal water reabsorption decreasing excretion of free water to dilute plasma and lower serum osmolality.
Detailed explanation-3: -In general, vasopressin decreases water excretion by the kidneys by increasing water reabsorption in the collecting ducts, hence its other name of antidiuretic hormone. Vasopressin also has a potent constricting effect on arterioles throughout the body.
Detailed explanation-4: -An Abnormal Apelin/Vasopressin Balance May Contribute to Water Retention in Patients With the Syndrome of Inappropriate Antidiuretic Hormone (SIADH) and Heart Failure.