What do sympathetic nerves affect?

Answer 1

During periods of stress or increased activity, the sympathetic division of the autonomic nervous system predominates. And during periods of rest, the parasympathetic division of the autonomic nervous system predominates

Answer 2

If you think of it as "fight or flight" it becomes a lot The_functions_of_the_Sympathetic_nervous_system_and_the_parasympathetic_nervous_systemto remember how it works. It increases the heart rate, increases energy production, decreases the GI system function, etc.
1. Increase cardiac output

2. Bronchodilation

3. Conversion of glycogen to glucose
Generally fight-or-flight.

Answer 3

Sympathetic nerves are the efferent pathway of one population of the autonomic nervous system. The autonomic nervous system controls reflex activities. The most important might be the control of the vascular system. Sympathetic neurons act to increase blood pressure. Increasing the pace of the heart and the constricting peripheral vasculature.

Answer 4

It is the fight or flight response so that means,

• Acceleration of heart and lung action
• Paling or flushing, or alternating between both
• Inhibition of stomach and upper-intestinal action to the point where digestion slows down or stops
• General effect on the sphincters of the body
• Constriction of blood vessels in many parts of the body
• Liberation of nutrients (particularly fat and glucose) for muscular action
• Dilation of blood vessels for muscles
• Inhibition of the lacrimal gland (responsible for tear production) and salivation
• Dilation of pupil (mydriasis)
• Relaxation of bladder
• Inhibition of erection
• Auditory exclusion (loss of hearing)
• Tunnel vision (loss of peripheral vision)
• Acceleration of instantaneous reflexes
• Shaking

Answer 5

They are meant for fight or flight response.

Answer 6

The procedure is done to increase blood flow and decrease long-term pain in certain diseases that cause narrowed blood vessels.