Questions: UNIT 3 - MILESTONE 3 Question 22 Mark this question Which of the following is antagonistic to the renin-angiotensin-aldosterone systern? Insulin ATP ANP Adenosine SAVE CChTINUE

UNIT 3 - MILESTONE 3

Question 22 Mark this question

Which of the following is antagonistic to the renin-angiotensin-aldosterone systern?
Insulin
ATP
ANP
Adenosine
SAVE  CChTINUE
Transcript text: UNIT 3 - MILESTONE 3 Question 22 Mark this question Which of the following is antagonistic to the renin-angiotensin-aldosterone systern? Insulin ATP ANP Adenosine SAVE \& CChTINUE
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Solution

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The answer is the third one (C): ANP.

Explanation for each option:

  • Insulin: This hormone primarily regulates glucose metabolism and does not have a direct antagonistic effect on the renin-angiotensin-aldosterone system (RAAS).
  • ATP: Adenosine triphosphate is a molecule that provides energy for various cellular processes and is not directly involved in antagonizing the RAAS.
  • ANP (Atrial Natriuretic Peptide): This hormone is released by the heart's atria in response to increased blood volume and pressure. It acts to reduce blood volume and pressure by promoting sodium excretion and vasodilation, which counteracts the effects of the RAAS.
  • Adenosine: This molecule has various roles in the body, including vasodilation and regulation of myocardial oxygen consumption, but it is not specifically antagonistic to the RAAS.

Summary: ANP (Atrial Natriuretic Peptide) is antagonistic to the renin-angiotensin-aldosterone system.

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