A Postsynaptic Neuron Will Have an Excitatory Postsynaptic Potential (EPSP)

question 146

Multiple Choice

A postsynaptic neuron will have an excitatory postsynaptic potential (EPSP) when

• A) chemically regulated potassium channels are open and potassium is diffusing out of the cell.
• B) more calcium ions than usual diffuse into the neuron.
• C) chemically regulated sodium channels are open and sodium is diffusing into the cell.
• D) the neuron is hyperpolarized.
• E) more potassium ions than usual diffuse out of the neuron.

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Definitions:

Psychosurgery

Rare treatment for mental disorders in which a neurosurgeon attempts to destroy small areas of the brain thought to be involved in a patient’s symptoms.

Severe Disorders

Refers to extreme forms of mental or physical health conditions requiring comprehensive medical attention.

Controversial

Pertaining to topics, issues, or opinions that provoke public disagreement or debate due to differing views and beliefs.

Precision

The degree to which repeated measurements under unchanged conditions show the same results.