Class 2 - Station 4: Nerve Supply to Abdominal Viscera Flashcards

1
Q

What nerves carry the sympathetic supply to the GI tract?

A
  • Abdominopelvic splanchnic nerves (greater, lesser and least)
  • Prevertebral sympathetic ganglioa
  • Abdominal aortic plexuses
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What nerves supply the Gi tract with parasympathetic innervation?

A
  • Cn10 = vagus
  • Pelvic splanchnic nerves (S2, S3, S4)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What effect does the parasympathetic system have on GI secretion?

A

Increases

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What effect does the parasympathetic system have on GI motility and peristalsis?

A

Increases

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What effect does the parasympathetic system have on GI blood vessels?

A

Little effect

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What effect does the sympathetic system have on GI secretion?

A

Decreases

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What effect does the sympathetic system have on GI motility and peristalsis?

A

Decreases

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What effect does the sympathetic system have on GI blood vessels?

A

Vasoconstriction

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What is the functional difference between the thoracic splanchnic nerves and the pelvic splanchnic nerves?

A

Thoracic splanchnic = sympathetic

Pelvic splanchnic = parasympathetic

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What is the effect of a vagotomy on gastric secretion?

A

Reduction

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What is the chief difference between the arrangement of ganglia in the sympathetic vs parasympathetic system?

A

Sympathetic = paravertebral

Parasympathetic = next to or in the target organ

How well did you know this?
1
Not at all
2
3
4
5
Perfectly