11-06-2014, 11:47 PM
Q. A new drug has been developed that selectively blocks calcium channels at the synapse. Which of the following is the step in chemical transmission that is most likely to be disrupted?
A ) Binding of the neurotransmitter to the postsynaptic receptor
B ) Propagation of the action potential into the synapse
C ) Release of calcium from intracellular stores
D ) Release of the neurotransmitter into the cleft
E ) Synthesis and packaging of the neurotransmitter
A ) Binding of the neurotransmitter to the postsynaptic receptor
B ) Propagation of the action potential into the synapse
C ) Release of calcium from intracellular stores
D ) Release of the neurotransmitter into the cleft
E ) Synthesis and packaging of the neurotransmitter