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WorksheetsAnatomy- Nervous system
Total questions: 73
Worksheet time: 3615secs
At resting potential, the ion distribution inside and outside of a neuron is such that __________ ions are most abundant on the outside of the cell, while __________ ions are most abundant on the inside of the cell.
Potassium; sodium
Sodium; potassium
Calcium; potassium
Calcium; sodium
In the figure above, what is occurring at step #4?
Neuron receives enough stimulation (15 mV), threshold is reached (-55mV)
Na+ voltage channels open allowing Na+ to diffuse inward, depolarizing the membrane
K+ voltage channels open and Na+ voltage channels open
K+ voltage channels open allowing K+ to diffuse out, repolarizing the membrane.
Hamsters. Massive amounts of hamsters
what process do neurons use to communicate
text messenger
electrochemical
skype
mechanical
What are the 4 main parts of the neuron?
synapse, dendrites, nucleus, axon
soma, nucleus, axon, dendrites
axon terminal, synapse, nucleus, dendrites
dendrites, synapses, myelin, nucleus
