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MCAT Question A Day - 4/20/14

Curare is a chemical used in arrow poisons as well as in pharmaceutical compounds. It competes with acetylcholine for receptor sites along the motor end plate. The immediate physiological effects of high doses of curare can include

A.  decreased ability to relax muscles.
B.  inability to contract muscles and paralysis.
C.  inability to repolarize muscles.
D.  abnormal heat production in the affected muscle cells.

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