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physiology week 7-13

week 7 to 13

QuestionAnswer
what happens to a neruron when it is adequately stimulated ? some of the sodium channels at the point of stimulation open
what is a true action potential ? the out side of the plasma membrane is negative charged and the inside is positively charged
what is the only ion that can diffuse across a neuron's membrane when the neron is at rest ? potassium
where is a synaptic knob located ? axon
Coding of the strength of a stimulus is accoplished through ? the requency of nerve impulses
What is dopamine,epinephrine and norepinephrine classified as? catecholamines
what is severe depression caused by a deficit in brain synapse of ? amines
what do neurotransmitters bind to in the synapse? receptors on the postsynaptic neruron
what nerve causes an increase of peristalsis and decreased heart rate ? vagus nerve
what is the vomiting reflex mediated by ? medulla
what part of brain helps maintain balance ? the cerebellum
how is cerebrospinal fluid formed? by the filtration of blood in the choroid plexus
what are the neurotransmitters of a somatic motor pathway? acetylcholine
what receptors are responsible for sensing crude and persistent touch? Ruffini corpuscles
what fluid fills the labyrinth of the ear? endolymph
Created by: aliciaramos
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