Suppose Both Excitatory and Inhibitory Neurons Synapse with a Single

question 35

Multiple Choice

Suppose both excitatory and inhibitory neurons synapse with a single postsynaptic neuron.What determines if an action potential is initiated in the postsynaptic neuron?

• A)the kind of neuron involved
• B)the size of the neuron involved
• C)whether the neuron is myelinated or non-myelinated
• D)the number of EPSPs in relation to the number of IPSPs
• E)This situation is not possible in humans.

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Definitions:

Biology

The scientific study of life and living organisms, including their structure, function, growth, evolution, and distribution.

Natural Selection

The mechanism of evolution proposed by Charles Darwin; the tendency of organisms that have favorable adaptations to their environment to survive and become the parents of the next generation. Evolution occurs when natural selection results in changes in allele frequencies in a population. Compare with artificial selection.

Organisms

Living beings that grow, reproduce, respond to external stimuli, and maintain homeostasis.

Hereditary Information

Genetic material passed from parents to offspring, determining inherited traits and characteristics.