Pas 407 Nerves And Neuropathy: Questions & Solutions

what are causes of peripheral neuropathies? {Ans: - physical trauma (laceration, mechanical compression/crush, traction) - chemical (alcohol, medication) - metabolic (diabetes mellitus, hypothyroidism) - genetic/other diseases (Charcot-Marie-Tooth diseases, Guillain-Barre syndrome)}anterior interosseus nerve {Ans: branches off median nerve in proximal region of antebrachium runs with anterior interosseus artery along anterior interosseus membrane supplies deep compartment of muscles terminates with sensory branches at wrist}palmar cutaneous branch {Ans: small branch off median nerve just proximal to carpal tunnel cutaneous branch to hand}what does the common digital branches split to form? {Ans: proper palmar digital branches that progress to distal tips of fingers and provide cutaneous sensation for lateral 4 and half digits note: 2 index, 2 middle, half on ring finger}articular branches {Ans: branches off medial nerve that supply elbow joint sensory fibers for touch, pain, proprioception}radial nerve leison (klumpke palsy) {Ans: results in avulsion of C8, T1 nerve roots muscles affected - intrinsic muscles of the hand (patient is unable to hold wrist up against gravity)}