Lecture 29 - ANS part 2

Question 1

In the sympathetic, is the postganglionic or preganglionic longer?

Answer 1

postganglionic

Question 2

In sympathetic pathways, the preganglionic somas live in the lateral horn in what segments only?

Answer 2

thoracic and lumbar

Question 3

In sympathetic pathways, the preganglionic somas live in what horn?

Answer 3

lateral horn

Question 4

T/F: Sympathetic has both pre and postganglionic.

Answer 4

T

Question 5

The ventral root is only… (efferent/afferent) and (motor/sensory)

Answer 5

efferent/motor

Question 6

The dorsal root is only… efferent/afferent) and (motor/sensory)

Answer 6

afferent/sensory

Question 7

What are the 5 GVE sympathetic pathways?

Answer 7

1. peripheral smooth muscles and glands
2. peripheral smooth muscles and glands of head
3. thorax
4. abdominal cavity
5. pelvic cavity

Question 8

For the peripheral smooth muscles and glands pathway (1), where does it synapse?

Answer 8

sympathetic trunk ganglion

Question 9

The vertebral nerve goes into the neck and has what kind of innervation?

Answer 9

postganglionic sympathetic

Question 10

For the peripheral smooth muscles and glands of the head pathway (2), where does it synapse?

Answer 10

cranial cervical ganglion

Question 11

What kind of innervation does the preganglionic of vagosympathetic trunk have?

Answer 11

sympathetic

Question 12

The cervicothoracic ganglion is made from what spinal nerves?

Answer 12

T1-T3

Question 13

Which ganglion is very deep and close to the tympanic bulla?

Answer 13

cranial cervical ganglion

Question 14

The ansa subclavian is made of sympathetic nerves that communicated with what 2 ganglia?

Answer 14

cervicothoracic ganglia and middle cervical ganglia

Question 15

Which structure has 2 nerves that wrap around the subclavian artery?

Answer 15

ansa subclavian

Question 16

For the thorax pathway (3), where does it synapse?

Answer 16

cervicothoracic ganglion or middle cervical ganglion

Question 17

For the abdominal cavity pathway (4), where does it synapse?

Answer 17

visceral ganglion

Question 18

What kind of innervation do the splanchnic nerves have?

Answer 18

preganglionic sympathetic

Question 19

Visceral ganglia have somas of _____ganlionic neurons of pathways that will go to organs in the abdominal and pelvic cavities.

Answer 19

post

Question 20

Splanchnic nerves have axons of _____ganglionic neurons of pathways that will go to organs in the abdominal and pelvic cavities.

Answer 20

pre

Question 21

Postganglionic neurons have axons of _____ganglionic neurons of pathways that will go to organs in abdominal and pelvic cavities running with the vessels.

Answer 21

post

Question 22

The major and minor splanchnic nerves run _____ to the diaphragm.

Answer 22

dorsal

Question 23

The hypogastric nerves have pre and post _____ axons to the pelvic plexus.

Answer 23

sympathetic

Question 24

The pelvic plexus is close to what structure?

Answer 24

rectum

Question 25

T/F: The pelvic plexus has both pre and postganglionic.

Answer 25

T

Question 26

Colic is what type of pain? It is usually intestinal or urinary and comes and goes, intensifies, and then gradually eases.

Answer 26

visceral pain

Question 27

What pathway brings visceral and afferent to a GDV?

Answer 27

GVA

Question 28

Parasympathetic preganglionic neurons are [long/short], and parasympathetic postganglionic neurons are [long/short].

Answer 28

long, short

Question 29

Parasympathetic postganglionic neurons of GVE are usually located where?

Answer 29

walls of organ

Question 30

The parasympathetic nucleus of the vagus lives where? It is the largest parasympathetic nucleus.

Answer 30

brainstem

Question 31

When the 2 dorsal branches of the vagal nerve meet, they form what?

Answer 31

dorsal vagal trunk

Question 32

When the 2 ventral branches of the vagal nerve meet, they form what?

Answer 32

ventral vagal trunk

Question 33

The left recurrent laryngeal nerve wraps around the aortic arch, but the right recurrent laryngeal nerve wraps around what?

Answer 33

right subclavian artery