Factors Affecting Blood Flow and Vascular Resistance The Poiseuille Equation
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Science, Health Sciences, Chemistry, Other, Physics, Biology
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University
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Hard
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary purpose of the Hagen-Poiseuille equation in the context of the cardiovascular system?
To determine oxygen levels in blood
To measure blood pressure
To describe factors affecting blood flow
To calculate the heart rate
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which factor is NOT directly related to vascular resistance?
Pressure gradient
Vessel diameter
Blood viscosity
Vessel length
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does an increase in the pressure gradient affect blood flow?
Reverses blood flow direction
Decreases blood flow
Increases blood flow
Has no effect on blood flow
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to blood flow when the heart contracts with more force during exercise?
Blood flow increases
Blood flow stops
Blood flow remains constant
Blood flow decreases
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following increases vascular resistance?
Decreased blood viscosity
Shorter vessel length
Increased vessel diameter
Increased blood viscosity
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What effect does dehydration have on blood viscosity?
Decreases viscosity
Increases viscosity
No effect on viscosity
Reverses viscosity
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does vessel length affect blood flow?
Vessel length has no effect
Longer vessels decrease blood flow
Shorter vessels decrease blood flow
Longer vessels increase blood flow
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