The nerve impulse that jumps from node to node in myelinated neurons is called:
Correct answer: C. Saltatory nerve impulse
- A. Resting membrane potential
- B. Threshold stimulus
- C. Saltatory nerve impulse
- D. lnitial nerve impulse
Explanation
The correct term for the nerve impulse that jumps from node to node in myelinated neurons is the "saltatory nerve impulse." In myelinated neurons, the myelin sheath insulates the axon and forms nodes of Ranvier, which are gaps in the myelin sheath. Nerve impulses "jump" or "leap" from node to node, allowing for faster transmission of signals along the axon compared to unmyelinated neurons.
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About Coordination and Control
Coordination depends on receptors, neurons, synapses and nerve impulses, with reflex actions traced through the reflex arc and the roles of major brain regions. Chemical coordination covers endocrine glands and hormones, including how hormones regulate growth, metabolism, reproduction and internal balance, unlike rapid nervous control.
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