Multiple choice

The normal human blood pressure is (in mm Hg)

  1. 120/80

  2. 100/80

  3. 80/130

  4. 120/150
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A Correct answer
Explanation

Normal adult blood pressure is typically defined as 120/80 mm Hg (systolic/diastolic). The systolic pressure (120) represents arterial pressure during heart contraction, while diastolic (80) is pressure between beats when the heart relaxes. This standard is based on extensive epidemiological studies linking blood pressure to cardiovascular health.

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