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Axon: Quiz


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Question 1: ________ are innervated by type Ia, Ib and II sensory fibers, mechanoreceptors by type II and III sensory fibers and nociceptors and thermoreceptors by type III and IV sensory fibers.
Nervous systemProprioceptionMedial lemniscusPain

Question 2: The physiology can be described by the ________, extended to vertebrates in Frankenhaeuser-Huxley equations.
Alan Lloyd HodgkinAndrew HuxleyHodgkin–Huxley modelAction potential

Question 3: Examples of these molecules include laminin, ________, tenascin, and perlecan.

Question 4: ________ plays a major role in the mobility of this system.

Question 5: Even recently our understanding of the biochemical basis for action potential propagation has advanced, and now includes many details about individual ________.
Potassium channelSodium channelIon channelLigand-gated ion channel

Question 6: For example, there are slow-conducting unmyelinated ________ and faster-conducting myelinated Aδ fibers.
Group C nerve fiberAlpha motor neuronNeuronPhotoreceptor cell

Question 7: An axon or nerve fiber is a long, slender projection of a nerve cell, or ________, that conducts electrical impulses away from the neuron's cell body or soma.
Photoreceptor cellGlial cellNeuronNervous system

Question 8: Growing axons move through their environment via the ________, which is at the tip of the axon.
CytoskeletonGrowth coneCell membraneActin

Question 9: The demyelination of axons is what causes the multitude of neurological symptoms found in the disease ________.
Neuromyelitis opticaMultiple sclerosisAcute disseminated encephalomyelitisPoser criteria

Question 10: In vertebrates, the axons of many neurons are sheathed in myelin, which is formed by either of two types of glial cells: Schwann cells ensheathing peripheral neurons and oligodendrocytes insulating those of the ________.
Grey matterCentral nervous systemWhite matterAlpha motor neuron


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