Answer :
Final answer:
ACE inhibitors block the conversion of angiotensin I to angiotensin II, reducing vasoconstriction and lowering blood pressure.
Explanation:
ACE inhibitors are drugs that block the conversion of angiotensin I to angiotensin II by inhibiting the ACE enzyme. This action helps to reduce blood pressure by preventing the vasoconstrictive effects of angiotensin II.
Angiotensin II raises blood pressure by constricting blood vessels and triggering the release of aldosterone and anti-diuretic hormone, leading to water retention and increased sodium reabsorption. ACE inhibitors work by decreasing the production of angiotensin II, which ultimately helps in controlling blood pressure.
In summary, ACE inhibitors work by inhibiting the production of angiotensin II, a potent vasoconstrictor, thus leading to vasodilation and reduced blood pressure.
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