RAAS Homeostatic System Quiz
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Questions and Answers

Which enzyme converts angiotensin 1 to angiotensin 2?

  • Renin
  • Kinase 2
  • Angiotensinogen
  • ACE (correct)

    • What triggers the release of renin?

  • Release of aldosterone
  • Vascular and cardiac hypertrophy
  • Drop in renal blood flow (correct)
  • Increase in Na+ in renal tubules

    • Which receptor type does angiotensin 2 stimulate to release aldosterone?

  • SNS
  • AT1R (correct)
  • GPCR
  • AT2R

    • What is the primary effect of angiotensin 2?

    <p>Vasoconstriction</p> Signup and view all the answers

    Where does angiotensin converting enzyme (ACE) primarily act?

    <p>Lungs</p> Signup and view all the answers

    What is the source of angiotensinogen?

    <p>Liver</p> Signup and view all the answers

    Which factor triggers the release of aldosterone?

    <p>Decrease in Na+ in renal tubules</p> Signup and view all the answers

    What is the role of angiotensin 4?

    <p>Cognition</p> Signup and view all the answers

    What is the primary function of angiotensin 2?

    <p>Inducing vasoconstriction and increasing peripheral vascular resistance</p> Signup and view all the answers

    Where is angiotensin converting enzyme 2 (ACE2) predominantly found?

    <p>In the lungs</p> Signup and view all the answers

    What triggers the release of renin?

    <p>Drop in renal blood flow/blood pressure</p> Signup and view all the answers

    Which enzyme hydrolyses angiotensinogen to produce angiotensin 1?

    <p>Renin</p> Signup and view all the answers

    What is the role of angiotensin 4?

    <p>Role unknown: cognition, cardiovascular, renal</p> Signup and view all the answers

    Which receptor type does angiotensin 2 primarily stimulate to release aldosterone?

    <p>Angiotensin 2 type 1 receptors (AT1R)</p> Signup and view all the answers

    What triggers the release of aldosterone?

    <p>Stimulation by angiotensin 2</p> Signup and view all the answers

    Where does angiotensin 2 type 2 receptors (AT2R) primarily exert their effects?

    <p>In the brain</p> Signup and view all the answers

    Which enzyme hydrolyses angiotensinogen to produce angiotensin 1?

    <p>Renin</p> Signup and view all the answers

    Where is angiotensin converting enzyme 2 (ACE2) predominantly found?

    <p>Lungs</p> Signup and view all the answers

    What is the primary function of angiotensin 2?

    <p>Vasoconstriction and release of aldosterone</p> Signup and view all the answers

    Which factor triggers the release of aldosterone?

    <p>Increase in Na+ in renal tubules</p> Signup and view all the answers

    What triggers the release of renin?

    <p>Drop in renal blood flow/blood pressure</p> Signup and view all the answers

    Which receptor type does angiotensin 2 primarily stimulate to release aldosterone?

    <p>Angiotensin 2 type 1 receptors (AT1R)</p> Signup and view all the answers

    What is the role of angiotensin 4?

    <p>CV function</p> Signup and view all the answers

    Which enzyme converts angiotensin 1 to angiotensin 2?

    <p>ACE</p> Signup and view all the answers

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