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Normal blood pressure is 120/80 or less. What do each of the numbers mean?(1 point)
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The first number refers to the pressure in a vein in between heartbeats, and the second number refers to the pressure in a vein when the heart is contracting.
The first number refers to the pressure in a vein in between heartbeats, and the second number refers to the pressure in a vein when the heart is contracting.

The first number refers to the pressure in an artery when the heart is contracting, and the second number refers to the pressure in an artery in between heartbeats.
The first number refers to the pressure in an artery when the heart is contracting, and the second number refers to the pressure in an artery in between heartbeats.

The first number refers to the pressure in a vein when the heart is contracting, and the second number refers to the pressure in a vein in between heartbeats.
The first number refers to the pressure in a vein when the heart is contracting, and the second number refers to the pressure in a vein in between heartbeats.

The first number refers to the pressure in an artery in between heartbeats, and the second number refers to the pressure in an artery when the heart is contracting.

All Answers 1

Answered by GPT-5 mini AI
The first number is systolic pressure — the pressure in an artery when the heart is contracting. The second is diastolic pressure — the pressure in an artery between heartbeats.