ANS

Question 1

The sympathetic nervous system originates at

Answer 1

Spinal Cord T1-L2

Question 2

The parasympathetic nervous system originates at

Answer 2

CN 3,7,9,10 and S2-S4

Question 3

The thoracic sympathetic chain cervical ganglia are separated into:

Answer 3

superior, middle and inferior

Question 4

The preganglionic sympathetic supply to the thoracic viscera are from

Answer 4

T1-T5

Question 5

The postganglionic supply to the thoracic viscera are from the

Answer 5

Superior, middle and inferior cervical ganglia

T1-T5 paravertebral ganglia

Question 6

The thoracic sympathetic nerves exit as

Answer 6

direct fibers and travel downwards to enter the thorax as cardiopulmonary splanchnic nerves (coronary artery dilation, Increase HR and bronchodilation)

Question 7

Abdominal splanchnic nerves are composed of (2) ___ supplying _____ and synapse in____

Answer 7

preganglionic and visceral sensory fibers

Abdominal viscera

Prevertebral ganglia

Question 8

Greater splanchnic nerves include____

Answer 8

T5-T9

Question 9

Greater splanchnic nerves synapse in

Answer 9

celiac ganglion including liver and gallbladder

Question 10

Lesser splanchnic nerves include

Answer 10

T10-T11

Question 11

Lesser splanchnic nerves synapse in

Answer 11

superior mesenteric ganglion

Question 12

Least splanchnic nerves include

Answer 12

T12

Question 13

Least splanchnic nerves synapse in

Answer 13

Aorticorenal ganglia

Question 14

Vagus nerve is a (parasympathetic/sympathetic) nerve supplying to

Answer 14

parasympathetic

thoracic/abdominal viscera

Question 15

Vagus nerve travels

Answer 15

Parallel to esophagus. splits into left anteriorly and right posteriorly

Question 16

Preganglionic fibers are (myelinated/unmyelinated) and utilizes?

Answer 16

myelinated

actecylcholine

Question 17

Postganglionic fibers are (myelinated/unmyelinated) and utilizes?

Answer 17

Unmyelinated

Norepinephrine

Question 18

Preganglionic neuron properties
(myelinated/unmyelinated)
(What neurotransmitter?)
(Where synapses)

Answer 18

Myelinated
Uses acetycholine
Synapses with postganglionic neruon

Question 19

Post-ganglionic neuron properties
(myelinated/unmyelinated)
(What neurotransmitter?)
(Where synapses)

Answer 19

unmyelinated
Uses norepinephrine
Originates from ganglion

Question 20

Stellate ganglion also known as

Answer 20

12 thoracic ganglia pairs

Question 21

First thoracic ganglia pairs fused with

Answer 21

cervical ganglion