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Physiology

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QuestionAnswer
The only ions that can diffuse across a neurons membrane when the neuron is at rest is: Potassium
Dopamine, epinephrine, and norepinephrine are classified as: Catecholamines
A Synapse consists of: A synaptic knob, a synaptic cleft and the plasma membrane of a postsynaptic neuron
What is true of an action potential? The outside of the plasma membrane is negatively charged and the inside is positively charged.
Severe depression can be cause by a deficit in certain brain synapse of: Amines
When an impulse reaches a synapse: Chemical transmitters are released.
During a relative refractory period: The action potential can be initiated with a strong stimulus.
Which is true of a neuron with a resting potential? The sodium pump has moved NA+ to the outside of the plasma membrane.
The first event to occur when an adequate stimulus is applied to a neuron is: Some of the sodium channels at the point of stimulation open.
Serotonin is an example of an: Amine neurotransmitter.
Created by: Mercedes_15
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