Which are the basic components of the reflex arc（）
A. receptor
B. central nervous system
C. afferent neuron
D. efferent neuron
E. effector
查看答案
The lower center of sympathetic nerve in the spinal cord locates in（）
A. Thoracic nuclei
B. Intermediolateral column
C. Sacral intermediolateral nuclei
D. Intermediolateral nuclei
E. Reticular formation
The position of the 10th thoracic segment of spinal cord is at the level of（）
A. 9th thoracic vertebra
B. 8th thoracic vertebra
C. 7th thoracic vertebra
D. 6th thoracic vertebra
E. 1st lumbar vertebra
Which one is NOT correct about the nuclei（）
A. They are in the central nervous system
B. They are collection of cell bodies which have the same functions
C. They are belong to white matter
D. They are belong to gray matter
E. They are also located in the reticular formation
In adult, the lower end of spinal cord is at the level of（）
A. inferior border of L1
B. superior border of L1
C. inferior border of L2
D. superior border of L2
E. inferior border of L3 vertebral body
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