Three Pre-synaptic neurons (W X and Y) all synapse with the same Post-synaptic neuron (Neuron Z). and X each produce one action potential and release their respective neurotransmitters into the synapse Neuron W releases Glutamate, Neuron X releases GABA and Neuron Y releases Glycine. If Neuron W A. This is Temporal Summation and it increases the chance that Neuron Z will reach threshold B. This is Temporal Summation and it decreases the chance that Neuron Z will reach threshold C. This is Spatial Summation and it increases the chance that Neuron Z will reach threshold. at the same time, then which of the following statements is true? D. 20. Which of the following is not a response that occurs as a result of activation of Metabotropic receptors? A. The change in heart rate by the Parasympathetic nervous system B. Skeletal muscle contraction C. Olfaction (smell) D. Gustation (taste)
