Battalion aid stations usually serve as the critical bridge between medical rescue and early treatment,whose treatment efficiency will make a huge difference in the survival rate of casualties on battlefields in the future.This paper reviews the evolution of the functions of U.S.military battalion aid stations.By taking the U.S.Marine Corps and the 75th Ranger Regiment,this article elaborates on the practices by the U.S.military in the construction of battalion aid stations,and unveils the takeaways from the construction of the army battalion aid stations and their limitations.It is recommended that future battalion aid stations should set support tasks based on the need of medical services,optimize the make-up of battalion aid stations,improve their support capabilities and informatization,and provide better en-route treatment in order to ensure battalion aid stations can play a more important role.

In order to evaluate our teaching results and improve the teaching quality,we designed this study to analyze the scores of nuclear medicine examination for the students of 2001 majoring in clinical medicine.There were 345 students participating in the examination.The results showed that the scores was Gassion distribution,the average score was 82.26,and the difficulty and discrimination of the test paper were appropriate.This analysis method as an objective index can be used to evaluate the response of teaching in nuclear medicine as well as improve the quality of test paper.