ANATOMY
RENAL TRACT AND RETROPERITONEUM
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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erythropoietin
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renin
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vitamin D
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estrogen
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Detailed explanation-1: -The renin-angiotensin-aldosterone system (RAAS) is a critical regulator of blood volume, electrolyte balance, and systemic vascular resistance. While the baroreceptor reflex responds short term to decreased arterial pressure, the RAAS is responsible for acute and chronic alterations.
Detailed explanation-2: -It regulates your blood pressure by increasing sodium (salt) reabsorption, water reabsorption (retention) and vascular tone (the degree to which your blood vessels constrict, or narrow).
Detailed explanation-3: -Renin is rate limiting in the production of angiotensin II (Ang II), a hormone that ultimately integrates cardiovascular and renal function in the control of blood pressure as well as salt and volume homeostasis.
Detailed explanation-4: -Angiotensin is part of an elaborate group of linked hormones, enzymes, proteins and reactions called the renin-angiotensin-aldosterone system that helps regulate blood pressure. To start the system or cycle, when blood pressure falls, your kidneys release the enzyme renin into your bloodstream.