Order the events listed such that they sequentially detail the process of skelet
ID: 58362 • Letter: O
Question
Order the events listed such that they sequentially detail the process of skeletal muscle cell activation/stimulation.
Question 6 options:
An action potential reaches the axon terminal of a somatic motor neuron.
Voltage-gated calcium channels open and calcium ions flood into the somatic motor neuron axon terminal.
If sufficiently strong, the end plate potential spreads away from the motor end plate and generates an action potential (i.e. and stimulates) the skeletal muscle cell.
Sodium ions enter the skeletal muscle fiber and K+ ions leave the muscle fiber, but more Na+ enters than K+ leaves, causing a depolarization and graded end plate potential.
Vesicles containing acetylcholine fuse with the plasma membrane of the axon terminal of the somatic motor neuron, releasing the neurotransmitter, via exocytosis, into the NMJ.
Acetylcholine diffuses across the synapse and binds to non selective, ligand-gated anion channels on the motor end plate of the skeletal muscle fiber.
An action potential reaches the axon terminal of a somatic motor neuron.
Voltage-gated calcium channels open and calcium ions flood into the somatic motor neuron axon terminal.
If sufficiently strong, the end plate potential spreads away from the motor end plate and generates an action potential (i.e. and stimulates) the skeletal muscle cell.
Sodium ions enter the skeletal muscle fiber and K+ ions leave the muscle fiber, but more Na+ enters than K+ leaves, causing a depolarization and graded end plate potential.
Vesicles containing acetylcholine fuse with the plasma membrane of the axon terminal of the somatic motor neuron, releasing the neurotransmitter, via exocytosis, into the NMJ.
Acetylcholine diffuses across the synapse and binds to non selective, ligand-gated anion channels on the motor end plate of the skeletal muscle fiber.
Explanation / Answer
1
Voltage-gated calcium channels open and calcium ions flood into the somatic motor neuron axon terminal.
2
Sodium ions enter the skeletal muscle fiber and K+ ions leave the muscle fiber, but more Na+ enters than K+ leaves, causing a depolarization and graded end plate potential
3
An action potential reaches the axon terminal of a somatic motor neuron.
4
Vesicles containing acetylcholine fuse with the plasma membrane of the axon terminal of the somatic motor neuron, releasing the neurotransmitter, via exocytosis, into the NMJ.
5
Acetylcholine diffuses across the synapse and binds to non selective, ligand-gated anion channels on the motor end plate of the skeletal muscle fiber.
6
If sufficiently strong, the end plate potential spreads away from the motor end plate and generates an action potential (i.e. and stimulates) the skeletal muscle cell.
1
Voltage-gated calcium channels open and calcium ions flood into the somatic motor neuron axon terminal.
2
Sodium ions enter the skeletal muscle fiber and K+ ions leave the muscle fiber, but more Na+ enters than K+ leaves, causing a depolarization and graded end plate potential
3
An action potential reaches the axon terminal of a somatic motor neuron.
4
Vesicles containing acetylcholine fuse with the plasma membrane of the axon terminal of the somatic motor neuron, releasing the neurotransmitter, via exocytosis, into the NMJ.
5
Acetylcholine diffuses across the synapse and binds to non selective, ligand-gated anion channels on the motor end plate of the skeletal muscle fiber.
6
If sufficiently strong, the end plate potential spreads away from the motor end plate and generates an action potential (i.e. and stimulates) the skeletal muscle cell.
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