Q. What is the main cause of primary hypertension?

  • (A) Exact cause unknown
  • (B) Kidney disease
  • (C) Heart attack
  • (D) Infection
✅ Correct Answer: (A) Exact cause unknown
Explanation: Primary hypertension develops over time with no identifiable single cause.

Published by Roshan ⭐ 3.43K Points at 16-Apr-2026 06:02 am in Biology

Explanation by: Roshan
Primary hypertension develops over time with no identifiable single cause.

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