Question

Role of Angiotensin converting enzyme is ___________.

• A. secretion of Renin
• B. release of Angiotensinogen
• C. forming active Angiotensin II
• D. constricting blood vessels and increase in BP

Hint:

ACE acts on angiotensin I in the renin-angiotensin pathway.

Answer 1

The Correct Option is C

Step 1: Understanding the Concept
Juxtaglomerular cells release renin, which converts angiotensinogen to angiotensin I.

Step 2: Key Point
Angiotensin converting enzyme (ACE) converts angiotensin I into the active angiotensin II.

Step 3: Compare the options
Angiotensin II then constricts blood vessels, but that is the action of angiotensin II, not of ACE.
So the role of ACE is forming active angiotensin II.

Final Answer:
ACE forms active angiotensin II. \[ \boxed{\text{(C) }\text{forming active Angiotensin II}} \]