Select an accurate statement about phencyclidine.
A. Phencyclidine is widely used today as a general anesthetic in humans.
B. Phencyclidine produces its effects through the antagonism of glutamate receptors that normally regulate certain ion channels.
C. Phencyclidine dependency appears to be predominantly physical rather than psychological.
D. Phencyclidine is water soluble and has a very short duration of action.
Answer: B
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