
Blood Flow and Circulatory System Quiz
Authored by Jarling Perez
Biology
12th Grade
Used 5+ times

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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What do arteries do in the circulatory system?
Carry blood to the heart
Carry blood away from the heart
Exchange gases with tissues
Store blood for emergencies
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary function of arteries?
To filter blood
To carry blood away from the heart
To store nutrients
To produce blood cells
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Where does the exchange of gases and nutrients primarily occur?
Arteries
Veins
Capillaries
Arterioles
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which layer of the blood vessel wall is in direct contact with the blood?
Tunica externa
Tunica media
Tunica intima
Tunica adventitia
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens when the endothelium is damaged?
It leads to vasodilation
It exposes collagen fibers, leading to clot formation
It causes the release of histamines
It results in increased blood flow
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What role does smooth muscle play in arterioles?
It is fully relaxed to allow maximum blood flow
It is slightly contracted to maintain vascular tone
It is absent in arterioles
It is fully contracted to stop blood flow
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the significance of fenestrations in capillaries?
They provide structural support
They allow for rapid exchange of substances
They prevent blood flow
They store nutrients
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