Autonomic Nervous System

Question 0

Splanchnic Nerves

Answer 0

Leave sympathetic chain without synapsing and synapse in the pre-aortic ganglia

Question 1

Controller of sympathetic autonomic fnxn

Answer 1

Hypothalamus

Question 2

Sympathetics to skin of the head

Answer 2

1. Preganglionic axon leaves from T1/2 and ascends the sympathetic chain
2. Synapses on the Superior Cervical Ganglion
3. Join plexus on the internal carotid artery
4. Post-ganglionic fibers end in the skin on the face

Question 3

Horner’s Syndrome

Answer 3

lesion/damage to the sympathetic pathway to the face

1. Miosis (loss of pupil dilators)
2. Anhydrosis (loss of sympathetic sweat glands)
3. Ptosis (loss of Levator palpebrae superioris)

Question 4

Communicating Rami

Answer 4

Connect the Spinal nerves with sympathetic ganglion