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Week 7
| Question | Answer |
|---|---|
| When current leaps across an insulating myelin sheath from node to node, the type of impulse conduction is called: | saltatory conduction |
| Within the nervous system, coding for the strength of a stimulus is accomplished through: | the frequency of nerve impulses. |
| The only ion(s) that can diffuse across a neuron’s membrane when the neuron is at rest is (are): | potassium. |
| Which neuron could transmit a nerve impulse the fastest? | A large-diameter neuron with myelin |
| Compared with the outside of the neuron, the inside has a(n) ____ charge. | negative |
| The fastest nerve fibers in the body can conduct an impulse that is how much faster than the slowest fibers in the body? | Almost 300 times faster |
| Serotonin is an example of a(n): | amine neurotransmitter. |
| Dopamine, epinephrine, and norepinephrine are classified as: | catecholamines. |
| 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. |
| The neurotransmitter(s) that inhibit(s) the conduction of pain impulses is(are): | enkephalins. |
Created by:
ben_pfingstler