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Questions and Answers
What is the function of arterioles in relation to capillary beds?
What is the function of arterioles in relation to capillary beds?
- To regulate the flow of blood to the veins
- To bypass the capillary beds
- To increase blood flow to the capillaries
- To reduce blood flow to the capillaries (correct)
What is the name of the slight thickening of the smooth muscle at the origin of a capillary bed from an arteriole?
What is the name of the slight thickening of the smooth muscle at the origin of a capillary bed from an arteriole?
- Pre-capillary sphincter (correct)
- Post-capillary sphincter
- Capillary bed
- Venule
What happens when the I of an arteriole increases in relation to a capillary network?
What happens when the I of an arteriole increases in relation to a capillary network?
- The blood flow to the veins increases
- The vascular resistance increases (correct)
- The blood flow to the capillaries increases
- The vascular resistance decreases
