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Questions and Answers
What is the primary function of arterioles?
What is the primary function of arterioles?
- To regulate blood pressure through vasoconstriction and vasodilation (correct)
- To transport deoxygenated blood to the lungs
- To transport oxygenated blood to the body's tissues
- To filter waste products from the blood
What is the media layer of arterioles composed of?
What is the media layer of arterioles composed of?
- Adipose tissue
- Fibrous connective tissue
- Closely packed, helically arranged smooth muscle cells (correct)
- Endothelial cells
What is the relative thickness of arteriole walls compared to the lumen?
What is the relative thickness of arteriole walls compared to the lumen?
- Equal
- Variable
- Thick (correct)
- Thin
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