A person is able to sense fast, sharp pain and temperature normally. Which type of nerve fiber is primarily involved in carrying these fast pain and temperature sensations?
AA-delta
BC fibers
CA-beta
DA-alpha
Free nerve endings carrying nociceptive fibers are seen in:
ASpleen
BLiver
CMesentery
DIntestine
A woman with right-sided loss of sensations of both the upper and lower limb complains of shooting pain from her fingers to the right shoulder and a burning sensation when touching cold water. Motor functions are normal. Which of the following structures is likely to be involved?
AAnterior spinothalamic tract
BSpinocerebellar tract
CLateral spinothalamic tract
DPosterior column
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