Question

avi broke his ankle skiing. at first, he felt a sharp and intense pain. the next day, the sharp pain was gone, but his ankle throbbed almost all the time. the sharp immediate pain was due to _____; the later throbbing pain was due to _____.

a.unmyelinated axons; myelinated axons

b.myelinated axons; unmyelinated axons

c.pain receptors; pressure receptors

d.pressure receptors; pain receptors

Answer

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