Answer
Answer 8-2. Biceps - musculocutaneous nerve and mainly C6; Triceps - radial nerve and mainly C7; Brachioradialis (radial periosteal) - radial nerve and mainly C6; Finger flexor - musculocutaneous nerve and mainly C7-8; Patellar - femoral nerve and mainly L3-L4; Achilles' reflex (ankle jerk) - tibial nerve and mainly S1; Jaw jerk - trigeminal