Sympathetics in the Thorax – Thoracic Nerves
About the Lecture
The lecture Sympathetics in the Thorax – Thoracic Nerves by Craig Canby, PhD is from the course Thoracic Viscera with Dr. Canby.
Included Quiz Questions
What action would result from sympathetic outflow to the thoracic viscera?
- Bronchodilation
- Vasodilation of pulmonary vessels
- Decrease in heart rate
- Increase in peristalsis
In the sympathetic system, in which area of the gray matter does the preganglionic cell body reside?
- Lateral gray horn
- Dorsal gray horn
- Ventral gray horn
- Anterior gray horn
- Anterior funiculus
What is the anatomic location where the synapse of preganglionic and postganglionic fibers of the sympathetic nerves occurs?
- Outside the vertebral column
- Anterior horn of the gray matter
- Dorsal horn of the gray matter
- Substantia nigra
- Pons
What is the effect of innervation by the sympathetic nerves on the heart?
- Increases contractility
- Decreases contractility
- Decreased heart rate
- Decreased excitability
- Increased ejection fraction
What is the level of origin of the least splanchnic nerve?
- T12
- T4
- T6
- T8
- T10
![Anatomy [Archive]](https://assets-cdn1.lecturio.de/lecture_collection/image_medium/87992_1693919964.png)
Author of lecture Sympathetics in the Thorax – Thoracic Nerves
Craig Canby, PhD
Customer reviews
5,0 of 5 stars
| 5 Stars |
|
5 |
| 4 Stars |
|
0 |
| 3 Stars |
|
0 |
| 2 Stars |
|
0 |
| 1 Star |
|
0 |
