This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Physiology
Arteriole is 
Select and explain. 
A. Conducting vessel, B. Resistance vessel, C. Exchange vessels, D. Capacitance vessel
B: Resistance vessel
Answer: B: Resistance vessel 
Explanation: Arterioles regulate the distribution of blood flow by altering their diameter to increase or decrease the peripheral resistance as required.