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: Dental
Laser Doppler flowmetry is a method used to assess blood flow in 
Select and explain. 
A. Microvascular systems, B. Microlymphatics, C. Micro vesicles, D. Micro spaces
A: Microvascular systems
Answer: A: Microvascular systems 
Explanation: None