Mechanisms of Blood Pressure Regulation Quiz
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Questions and Answers

What factor assists in the non-hormonal control of blood volume by kidneys and leads to an increase in urinary output with an increase in arterial pressure?

  • Aldosterone mechanism
  • Sympathetic impulses to kidney (correct)
  • Angiotensin II
  • ADH mechanism
  • Which mechanism involves slow, long-lasting changes in blood volume and is also known as Pressure Diuresis & Natriuresis?

  • Baroreceptor reflex
  • Reverse stress relaxation
  • Catecholamines
  • Rennin angiotensin mechanism (correct)
  • Which hormone is involved in long-term regulation of arterial blood pressure and leads to an increase in blood pressure by vasoconstriction?

  • Angiotensin II (correct)
  • Aldosterone
  • Catecholamines
  • ADH
  • Which reflex is involved in short-term regulation of arterial blood pressure and is activated by changes in atrial and pulmonary pressures?

    <p>Bainbridge reflex</p> Signup and view all the answers

    Which factor maintains blood pressure for days, weeks, months, or even years by controlling renal body fluid pressure systems?

    <p>Involves kidney and body fluids</p> Signup and view all the answers

    What is the effect of a decrease in blood pressure (BP) on urinary water and Na+ excretion?

    <p>Urinary water and Na+ excretion decrease</p> Signup and view all the answers

    Which mechanism leads to an increase in arterial BP and subsequent increase in urinary Na+?

    <p>Pressure Natriuresis</p> Signup and view all the answers

    What is the effect of sympathetic impulses to the kidney when BP falls below normal?

    <p>Renal vasoconstriction and salt and water retention</p> Signup and view all the answers

    What is the basis of giving diuretics in hypertensive patients?

    <p>To increase urinary output and decrease BP</p> Signup and view all the answers

    What is the effect of aldosterone when BP falls below normal?

    <p>Decrease in urinary output and increase in BP</p> Signup and view all the answers

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