Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
36 Cards in this Set
- Front
- Back
|
Parasympathetic Nervous System
|
The division of the autonomic nervous system that arises from cranial nerve nuclei and the sacral portion of the spinal cord is what?
|
|
|
Sympathetic nervous system
|
The division of the autonomic nervous system whose preganglionic fiber synapses in paired ganglion that run parallel with the spinal canal is the what?
|
|
|
Neither
|
What division of the autonomic system is voluntary?
|
|
|
Arterioles
|
What is one of the organ systems that do not have sympathetic and parasympathetic innervations?
|
|
|
Heart
Gastrointestinal tract Genitourinary tract |
What are some of the organ systems that have both sympathetic and parasympathetic innervation's?
|
|
|
Gastrointestinal System
|
Sympathetic innervation slows peristalsis in the what?
|
|
|
Adrenal Gland
|
The gland that works with and enhances the effects of the sympathetic nervous system is the what?
|
|
|
Preferentially to the skeletal muscles
|
When the sympathetic nervous system is stimulated(fight or flight) blood flows how?
|
|
|
Neuromuscular junctions
Sympathetic preganglionic synapse with the postganglionic neuron Parasympathetic preganglionic synapse with the postganglionic neuron |
Acetylcholine is the neurotransmitter for what?
|
|
|
Blood vessels to the skin constrict
airways in the pulmonary system dilate |
What happens during the sympathetic fight or flight response?
|
|
|
Sympathetic Nervous System
|
What part of the autonomic nervous system that originates in the lateral gray horns of the spinal cord of spinal segments T1-L2 is the parasympathetic nervous system?
|
|
|
Parasympathetic Nervous System
|
What part of the autonomic nervous system has a longer axon on its preganglionic neuron than on its postganglionic neuron?
|
|
|
Neither
|
What part of the autonomic nervous system in which the axon of the postganglionic neuron is myelinated?
|
|
|
Heart rate will increase
Airways will increase in diameter to allow more airflow |
When the sympathetic nervous system is dominant what physiologic effects will be seen?
|
|
|
Sympathetic Nervous System
|
Where would you find gray and white rami?
|
|
|
Parasympathetic Nervous System
|
Where would you find preganglionic cell body located in cranial nerve nuclei in the brainstem?
|
|
|
Sympathetic Nervous System
Parasympathetic Nervous System |
Where do preganglionic nerve release acytlcholine from its terminal endings?
|
|
|
Parasympathetic Nervous System
|
Where would you find physiologic effects that include slowing of the heart rate an increase in secretions from mouth, GI, and GU tract
|
|
|
III Oculomotor
VII Facial IX Glosopharyngeal X Vagus |
What are the cranial nerve nuclei that are associated with the parasympathetic nervous system?
|
|
|
Parasympathetic
|
The portion of the autonomic nervous system that is associated with a decrease in heart rate is what?
|
|
|
Postganglionic nerve endings in the Sympathetic System
|
What site is Acetylcholine not the neurotransmitter?
|
|
|
Preganglionic nerve endings in the sympathetic system
Preganglionic nerve endings in the parasympathetic system Postganglionic nerve endings in the parasympathetic system |
What site is Acetylcholine the neurotransmitter?
|
|
|
Parasympathetic
|
The portion of the autonomic nervous system that has longer preganglionic nerve fibers compared to the postganglionic nerve fibers is what?
|
|
|
Sympathetic
|
What portion of the autonomic nervous system has cell bodies in the lateral horn of the thoracic and upper lumbar gray matter?
|
|
|
Blood flow to skeletal muscles increase
|
When the sympathetic nervous system is dominant what happens to the skeletal muscles?
|
|
|
Parasympathetic
|
The branch of the autonomic nervous system that is associated with nerve fibers from the cranial nerve nuclei and the 2nd to 4th sacral gray matter is what?
|
|
|
No
|
Do all parts of the body have both sympathetic and parasympathetic innervations?
|
|
|
Parasympathetic Nervous System
|
The portion of the autonomic nervous system that is most involved in baseline homeostasis is what?
|
|
|
Sympathetic Nervous System
|
The portion of the autonomic nervous system which has the first synapse between preganglionic and postganglionic nerve cells in the ganglionic chain located that runs parallel with the vertebral column is what?
|
|
|
ACH releasing fibers
|
Cholinergic fibers are what?
|
|
|
NE
|
Adrenergic fibers are most sympathetic postganglionic axons that release what?
|
|
|
They are ACH releasing fibers
|
What is the exception in the sympathetic postganglionic fibers innervating sweat glands and some blood vessels in the skeletal muscles?
|
|
|
The sarcolema of skeletal muscles at neuromuscular junctions
All ganglionic neurons, both sympathetic and parasympathetic hormone-producing cells of the adrenal medulla |
Nicotinic receptors are found where?
|
|
|
Stimulatory
|
What is the effect of ACH binding to nicotinic receptors anywhere is?
|
|
|
All parasympathetic target organs and a few sympathetic targets, such as eccrine sweat glands and some blood vessels of skeletal muscles
|
Muscarinic receptors occur on all effector cells stimulated by postganglionic cholinergic fibers which is what?
|
|
|
Can be inhibitory or stimulatory
|
What is the effect of ACH binding to muscarinic receptors?
|
