Chemicals released by neurons that reduce the likelihood that neuron cells will fire, are referred to as
A) excitatory.
B) receptors.
C) receivers.
D) inhibitory.

Question

Quizplus · Accepted Answer

Chemicals that reduce the likelihood of neuron firing are called inhibitory neurotransmitters. Excitatory neurotransmitters do the opposite, increasing the likelihood of neuron firing. Receptors and receivers are not interchangeable terms for neurotransmitters.

Chemicals Released by Neurons That Reduce the Likelihood That Neuron