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