Q. Which substance increases blood pressure by causing vasoconstriction?

  • (A) Nitric oxide
  • (B) Angiotensin II
  • (C) Insulin
  • (D) Melatonin
✅ Correct Answer: (B) Angiotensin II
Explanation: Angiotensin II is a powerful vasoconstrictor that raises blood pressure.

Published by Roshan ⭐ 3.43K Points at 18-Apr-2026 04:10 pm in Biology

Explanation by: Roshan
Angiotensin II is a powerful vasoconstrictor that raises blood pressure.

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