在可摘局部义齿制作过程中,排牙时与后牙选择无关的因素是
A.咬合情况
B.支架的位置情况
C.缺隙大小
D.患者的性别
E.对侧同名牙的情况
参考答案:D
下面能说明“液体可以传播声音”的事例是( )
A.人在小溪边听到“哗哗”的流水声
B.我们听到树枝上小鸟的“哪哪”声
C.将要上钩的鱼被岸边的说话声吓跑
D.我们听到雨滴打在雨伞上的“嗒嗒”声
Most antipsychotic medications exert which of the following effects on the central nervous system (CNS) ()
A. Stimulate the CNS by blocking postsynaptic dopamine, norepinephrine, and serotonin receptors.
B. Sedate the CNS by stimulating serotonin at the synaptic cleft.
C. Depress the CNS by blocking the postsynaptic transmission of dopamine, serotonin, and norepinephrine.
D. Depress the CNS by stimulating the release of acetylcholine.