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Lecture 16
PSL- 250 Exam 2
16
Physiology
Undergraduate 2
06/11/2010

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Term
Efferent nervous system carries signals where?
Definition
Away from the body
Term
sympathetic structure is apart of what kinf of nervous system?
Definition
autonomic nervous system
Term
The sympathetic chain ganglia is parallel to what?
Definition
the spinal cord
Term
The sympathetic structure gets it input from where?
Definition
Input from cord, medulla, and hypothalamus
Term
Hows does the sympathetic structure relate to cortical control?
Definition
it has no direct cortical control
Term
Preganglionic neurons in the sympathetic structure has short what?
Definition
neurons
Term
What does preganlionic neurons in the sympathetic structure use as a neural transmitter to the post ganglionic neurons in ganglia?
Definition
Acetylcholine (ACh)
Term
Post ganglionic neurons for the sympathetic struction are what type of neurons?
Definition
Long neurons
Term
how are the post ganglionic neurons of the sympathetic structure activated?
Definition
Activated by pre-gangloinic nerves
Term
What does the postganglionic neuron in the sympathetic structure use as a neurotransmitter?
Definition
Norepinephrine (NE)
Term
What behaves like the postganglionic neuron in the sympathetic division?
Definition
Adrenal Medulla
Term
What does the sympathetic system respond to?
Definition
emergerncy responds (fight or flight)
Term
what is designed to remove danger?
Definition
Fight or Flight response
Term
what happens to the blood flow to skeletal muscles?
Definition
Its a increase in blood flow
Term
Concurrently with the increase in blood flow in a fight or flight response, what does the heart do?
Definition
heart concurrent activation of motor units
Term
what happens to the difestive system in a fight or flight response?
Definition
Decrease activity of digestive and related functions
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