4. Unilateral section of all dorsal nerve roots fr

[Editor]

4. Unilateral section of all dorsal nerve roots from C3 to T2 leads in the upper limb to:
a. paralysis
b. loss of sensation
c. loss of somatic reflexes
d. sympathetic and seat gland paralysis
e. hypotonia

mark wrote:

4. Unilateral section of all dorsal nerve roots from C3 to T2 leads in the upper limb to:
a. paralysis
b. loss of sensation
c. loss of somatic reflexes
d. sympathetic and seat gland paralysis
e. hypotonia

answers:
a. false: only sensory supply will be hampered
b. true: as in a
c. true: as the reflex has to have a intact motor, sensory and central synapse centre intact
d. true: as the sympathetic supply to the upper limb will travel through the dorsal root through nervi communicantes
e. true: as the sensory signals from the muscle spindles and golgi tendon organs are sectioned