单项选择题

The decussation of pyramid lies in ( )

A．the medulla oblongata
B．the pons
C． the midbrain
D．the diencephalon
E．the telencephalon
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单项选择题
The facial artery arises from ( )
A．the brachiocephalic trunk
B．the subclavian artery
C．the common carotid artery
D．the external carotid artery
E．the internal carotid artery
单项选择题
The maxillary nerve leaves the skull through ( )
A．the foramen ovale
B．the foramen rotundum
C．the stylomastoid foramen
D．the foramen spinosum
E． the internal acoustic pore
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