8. Fill in the blank:
a) The _______ _________ period is when excitability is lowerthan normal following an action potential. Another action potentialcan be fired, but it takes a larger depolarization than normal.
c) During the ________ of an action potential, the actionpotential moves from the soma down the axon to the axonterminal.
8. Fill in the blank:
a) The _______ _________ period is when excitability is lowerthan normal following an action potential. Another action potentialcan be fired, but it takes a larger depolarization than normal.
c) During the ________ of an action potential, the actionpotential moves from the soma down the axon to the axonterminal.
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3. Which of the following is TRUE about a motor neuron?
| It passes information to another motor neuron. | ||
| It passes information to another neuron. | ||
| It stimulates cells associated with muscles or glands. | ||
| It cannot generate an action potential. |
2. Choose the immediate event that needs to occur for a nerve to fire an action potential.
| Voltage-gated potassium ion channels need to open. | ||
| A threshold potential will need to be reached. | ||
| Depolarization will need to be happen. | ||
| Voltage-gated sodium ion channels need to close. |
1. Choose the TRUE statement with respect to axons and/or dendrites.
| Dendrite is the location that a neurotransmitter moves into the synamptic cleft. | ||
| Action potentials travel along the axon of a neuron. | ||
| A neuron will typically have more axons than dendrites. | ||
| More than one is correct |
