Factors Affecting Bloodflow

True or False: The larger the blood vessel diameter, the more resistance there is to blood flow.

• True

• False

Which of the following factors directly affects blood flow resistance?

• Blood vessel diameter

• Blood type

• Heart rate

• Lung capacity

What happens to blood flow when blood viscosity increases?

• Increases

• Decreases

• Remains the same

• Becomes erratic

True or False: Blood flow is inversely proportional to the length of the blood vessel.

• True

• False

Which of the following is a real-world application of understanding blood flow dynamics?

• Designing artificial heart valves

• Creating vaccines

• Developing antibiotics

• Studying plant photosynthesis

Tags

NGSS.HS-ETS1-3

In an experiment, if the pressure difference across a blood vessel is doubled, what happens to the blood flow rate?

• Doubles

• Halves

• Remains the same

• Quadruples

Which scientific principle explains the relationship between blood flow, pressure, and resistance?

• Ohm's Law

• Bernoulli's Principle

• Poiseuille's Law

• Newton's Third Law

What is the effect of atherosclerosis on blood flow?

• Increases blood flow

• Decreases blood flow

• No effect

• Improves blood flow efficiency

True or False: Blood flow velocity is highest in the capillaries.

• True

• False

Which factor does NOT affect blood flow?

• Blood vessel length

• Blood vessel diameter

• Blood color

• Blood viscosity