OCR General Certificate of Secondary Education (GCSE) Biology Practice Exam

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What are the typical blood pressure values for a healthy adult?

  1. 100 mmHg over 70 mmHg

  2. 120 mmHg over 80 mmHg

  3. 130 mmHg over 90 mmHg

  4. 140 mmHg over 85 mmHg

The correct answer is: 120 mmHg over 80 mmHg

The typical blood pressure values for a healthy adult are around 120 mmHg over 80 mmHg, which is often expressed as "120 over 80." This range is considered optimal and represents a healthy cardiovascular state, indicating that the heart is effectively pumping blood through the arteries without excessive pressure exerted on the artery walls. In adults, blood pressure readings can vary, but values within this range are widely accepted as the standard for maintaining good health. Readings above this range may indicate prehypertension or hypertension, necessitating lifestyle adjustments or medical intervention. Maintaining blood pressure within this optimal range is crucial for reducing the risk of heart disease, stroke, and other cardiovascular issues. The other listed values may either fall into categories indicating elevated blood pressure or may simply not represent the healthy standard.

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