Loss of pain sensation in the

A. True Probably because of failure to protect the foot and letting minor injury persist without attention.

B. True Again due to loss of the protective effects of pain.

C. True Nerve fibres stop conducting near freezing point so there is no further warning when freezing causes tissue damage.

D. False Pain sensation is blocked by surgical division of the spinothalamic tracts.

E. False It is lost following division of the sensory root of the trigeminal nerve.