nerves that innervate lymph nodes have been discovered to be adrenergic. A: Parasympathetic nervous system may influence lymph node activity B: Parasympathetic nervous system does NOT influence lymph...

nerves that innervate lymph nodes have been discovered to be adrenergic.

A: Parasympathetic nervous system may influence lymph node activity
B: Parasympathetic nervous system does NOT influence lymph node activity
C: Sympathetic nervous system must exert the only nervous control of lymph nodes
D: Sympathetic nervous system may influence lymph node acti