MEDICINE
NEUROLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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In which spinal cord tract is the axon the smallest and deepest?
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Proprioceptive pathway
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Voluntary motor pathway
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Superficial pain pathway
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Deep pain pathway
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Explanation:
Detailed explanation-1: -The main function of the spinothalamic tract is to carry pain and temperature via the lateral part of the pathway and crude touch via the anterior part.
Detailed explanation-2: -The ascending pathways that mediate pain consist of three different tracts: the neospinothalamic tract, the paleospinothalamic tract and the archispinothalamic tract. The first-order neurons are located in the dorsal root ganglion (DRG) for all three pathways.
Detailed explanation-3: -The neurophysiologic underpinnings of pain can be divided into four stages: transduction, transmission, pain modulation, and perception.
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