
Blood Vessel Resistance and Flow Rate
Interactive Video
•
Physics
•
9th - 10th Grade
•
Hard

Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which factor is most significant in influencing blood vessel resistance?
Viscosity of blood
Length of the blood vessel
Diameter of the blood vessel
Temperature of the blood
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to resistance if the length of a blood vessel is doubled?
Resistance remains the same
Resistance is doubled
Resistance is halved
Resistance is quadrupled
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does doubling the radius of a blood vessel affect its resistance?
Resistance is reduced by a factor of 2
Resistance is reduced by a factor of 16
Resistance is doubled
Resistance remains unchanged
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the volume flow rate of blood?
The volume of blood passing through a vessel per unit time
The resistance of blood flow
The pressure of blood in the vessel
The speed of blood flow
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
According to Poiseuille's equation, what factor has the greatest impact on volume flow rate?
Length of the blood vessel
Radius of the blood vessel
Viscosity of the blood
Change in pressure
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the example of being chased by a dog, what is a safer way for the body to increase blood flow to muscles?
Increasing blood viscosity
Increasing blood pressure by 500%
Decreasing blood vessel length
Increasing the radius of blood vessels by 50%
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the risk of increasing blood pressure excessively to meet metabolic demands?
It can decrease blood flow rate
It can increase blood viscosity
It can lead to blood vessel rupture
It can cause blood vessels to constrict
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