How Blood Pressure Works

What is the approximate length of all blood vessels in the human body if laid end to end?

• 85,000 kilometers

• 95,000 kilometers

• 75,000 kilometers

• 100,000 kilometers

What does systolic blood pressure represent?

• Pressure in the capillaries

• Pressure when the heart is at rest

• Pressure during heart contraction

• Pressure in the veins

How does a high-salt diet affect blood pressure?

• Increases blood thickness

• Decreases blood volume

• Reduces blood vessel width

• Increases blood volume and pressure

What is atherosclerosis?

• A decrease in blood pressure

• Expansion of the arterial wall

• A type of heart valve issue

• Hardening of the arteries due to plaque buildup

What medical procedure can help reopen clogged blood vessels?

• Bypass surgery

• Electrocardiogram

• Angioplasty

• Heart transplantation