What is the average resting blood pressure?

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Prepare for the PLTW Biomedical Science Test. Study with flashcards and multiple choice questions, each question comes with hints and explanations. Get ready for your exam!

Multiple Choice

What is the average resting blood pressure?

Explanation:
Blood pressure shows the force of blood against artery walls, written as systolic over diastolic. For a healthy adult at rest, a common average is around 120/80 mmHg, with many people sitting closer to 120/70. The reading 120/70 sits right in that typical resting range, reflecting a normal balance of pressure when the heart is not actively pumping harder than usual. Other options push toward the extremes: 110/70 is a bit low on systolic pressure, 130/80 is still normal but higher, and 140/90 is considered high enough to warrant attention. So 120/70 best represents the average resting blood pressure.

Blood pressure shows the force of blood against artery walls, written as systolic over diastolic. For a healthy adult at rest, a common average is around 120/80 mmHg, with many people sitting closer to 120/70. The reading 120/70 sits right in that typical resting range, reflecting a normal balance of pressure when the heart is not actively pumping harder than usual. Other options push toward the extremes: 110/70 is a bit low on systolic pressure, 130/80 is still normal but higher, and 140/90 is considered high enough to warrant attention. So 120/70 best represents the average resting blood pressure.

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