Which one of the following describes saltatory conduction?' - Is faster than conduction in an unmyelinated fiber. - Occurs only if the nodes of Ranvier are absent. - Is slower than conduction in an unmyelinated fiber. - Occurs only if the myelin sheath is continuous.
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Saltatory conduction is a type of nerve impulse transmission that occurs in myelinated nerve fibers. In this process, the action potential jumps from one node of Ranvier to the next, rather than traveling continuously along the axon. Show more…
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Saltatory conduction (a) requires more energy than continuous conduction (b) occurs in unmyelinated neurons (c) occurs when the action potential jumps from one node of Ranvier to the next (d) slows transmission of an impulse (e) depends on the presence of GABA
Madhur L.
Saltatory conduction (a) requires more energy than continuous conduction (b) occurs in unmyelinated neurons (c) occurs when the action potential jumps from one node of Ranvier to the next (d) slows transmission of an impulse (e) depends on the action of GABA
Which of the following statements best describes saltatory conduction? a. It inhibits direct neurotransmitter release. b. It transmits the action potential at the nodes of Ranvier and thus speeds up impulses on myelinated axons. c. It increases neurotransmitter release at the presynaptic membrane. d. It decreases neurotransmitter uptake at chemically gated postsynaptic channels. It removes neurotransmitters from the synaptic cleft.
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