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Questions and Answers
Which layer of the blood vessel wall is responsible for vasoconstriction and vasodilation?
Which layer of the blood vessel wall is responsible for vasoconstriction and vasodilation?
- Tunica media (correct)
- Tunica intima
- Tunica externa
- Endothelium
Which layer of the blood vessel wall is the innermost layer and is in direct contact with the blood?
Which layer of the blood vessel wall is the innermost layer and is in direct contact with the blood?
- Endothelium (correct)
- Tunica intima
- Tunica externa
- Tunica media
Which layer of the blood vessel wall is primarily composed of elastic fibers and smooth muscle cells?
Which layer of the blood vessel wall is primarily composed of elastic fibers and smooth muscle cells?
- Tunica externa
- Tunica media (correct)
- Tunica intima
- Endothelium
Which layer of the blood vessel wall is the outermost layer and provides protection and anchoring to surrounding tissues?
Which layer of the blood vessel wall is the outermost layer and provides protection and anchoring to surrounding tissues?
Which layer of the blood vessel wall is primarily responsible for regulating blood flow and blood pressure?
Which layer of the blood vessel wall is primarily responsible for regulating blood flow and blood pressure?
Which layer of the blood vessel wall contains collagen fibers and helps anchor the blood vessel to surrounding tissues?
Which layer of the blood vessel wall contains collagen fibers and helps anchor the blood vessel to surrounding tissues?
Which layer of the blood vessel wall is responsible for direct contact with the blood and is composed of a single layer of endothelial cells?
Which layer of the blood vessel wall is responsible for direct contact with the blood and is composed of a single layer of endothelial cells?
Which layer of the blood vessel wall contains elastic fibers and acts as a boundary between the tunica media and tunica externa?
Which layer of the blood vessel wall contains elastic fibers and acts as a boundary between the tunica media and tunica externa?
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