The Automonic Nervous System
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
|
|
||||
|---|---|---|---|---|---|
| What are the 2 divisions of the ANS and which usually have antagonistic effects? | Sympathetic and parasympathetic
🗑
|
||||
| What division of the ANS is associated with "fight, flight, and stress" reactions? | Sympathetic
🗑
|
||||
| What division of the ANS is associated with "rest and digest" reactions? | Parasympathetic
🗑
|
||||
| What is another name for the sympathetic division of the ANS because its preganglionic neurons exit the spinal cord from T1 to L2? | Thoracolumbar division
🗑
|
||||
| What nervous system manages our physiology by regulating organs and organ systems, and their smooth muscles and glands? | ANS
🗑
|
||||
| What is it called when a preganglionic branch synapses with a number of postganglionic neurons is called what? | Divergence
🗑
|
||||
| What is it called when a postganglionics receives synaptic input from a large number of preganglionics fibers? | Convergance
🗑
|
||||
| What division of the ANS is characterized by the divergence through white rami and convergence through gray rami causing a mass activation? | Sympathetic division
🗑
|
||||
| What are the 2 neurons of the ANS in its efferent pathway? | Preganglionic and postganglionic neurons
🗑
|
||||
| What type of neuron has a cell body in the brain or spinal cord? | Preganglionic
🗑
|
||||
| The preganglionic neuron synapses with a second neuron (called what) in an autonomic ganglion | Postganglionic
🗑
|
||||
| What axon extends from the autonomic ganglion to the target tissue which consist of smooth muscle, cardiac muscle, and glands? | Postganglionic
🗑
|
||||
| What is another name for the parasympathetic division of the CNS because its long preganglionics originate in the midbrain, medulla, pons, and S2-S4? | Craniosacral Division
🗑
|
||||
| What part of the sympathetic division includes the adrenal medulla? | Sympathoadrenal system
🗑
|
||||
| The adrenal medulla has secretory cells that appear to be modified postganglionic neuron that release _____% epinephrine (Epi) and ___% norepinephrin (Norepi) into the blood in response to preganglionic stimulation? | 85/15
🗑
|
||||
| What is stimulated during mass activation? | Adrenal medulla
🗑
|
||||
| What is made by methylating norepi? | Epi
🗑
|
||||
| In the sympathetic division, some postganglionics do not synapse in paravertebral ganglion but go to outlying ______ ________. | Collateral ganglion
🗑
|
||||
| When preganlionic neurons exit the spinal cord and synapse on postganglionic neurons of the paravertebral ganglia a chain of ganglia is formed called what? | Sympathetic ganglionic chain
🗑
|
||||
| Autonomic motor nerves innervate organs whose functions are not usually under voluntary control. What are the 3 effectors that respond to autonomic regulations? | Cardiac muscles, smooth muscles, and glands
🗑
|
||||
| Many types of smooth muscles are spontaneously active and contract rhythmically (with/without) ANS input? | Without
🗑
|
||||
| Parasympathetic ganglia that supply the postganglionic fibers that synapse with the effector cells are called what? | Terminal ganglia
🗑
|
||||
| What type of ganglia is located in the parasympathetic division and located next to or within a target organ? | Terminal ganglia
🗑
|
||||
| What is the term used to describe the phenomenon that occurs when a smooth muscle becomes more sensitive when the ANS input is cut? | Denervation hypersensitivity
🗑
|
||||
| In the craniosacral division of the ANS, where does its long preganglionics originate? | Midbrain, medulla, pons, and S2-S4
🗑
|
||||
| What cranial nerve is long and carries most parasympathetic fibers? | Vegas
🗑
|
||||
| What cranial nerve innervates the heart, lungs, esophagus, stomach, pancreas, liver, small intestines, and upper half of the large intestines? | Vegas
🗑
|
||||
| What preganglionic fiber innervates the lower half of the large intestine, rectum, urinary and reproductive systems? | S2-S4
🗑
|
||||
| What neurotransmitter is released in both the symp and parasymp preganglionic nerves? | ACh
🗑
|
||||
| Parasympathetic postganglionics release ACh called __________ synapses | Cholinergic
🗑
|
||||
| Most sympathetic postganglionics release what NT? | Norepi (noradrenaline)
🗑
|
||||
| What is the synapses called in the sympathetic postganglionics? | Adrenergic synapses
🗑
|
||||
| Postganglionics of the ANS have unusual synapses which release NTs along a length of axon called what? | Varicosities
🗑
|
||||
| In adrenergic stimulation, many useful drugs have been developed to affect ANS receptors. Drugs that promote actions of NT are ________and drugs that inhibit actions of a NT are __________. | Agonist/antagonist
🗑
|
||||
| Adrenergic stimulation causes both excitation and inhibition depending of the tissue and therefore has 2 major subtypes of receptors for the same NT. | a and B
🗑
|
||||
| ACh is a NT used in what type of stimulation? | Cholinergic
🗑
|
||||
| What 3 areas is ACh used in a cholinergic stimulation? | All skeletal muscle, all preganglionics, and parasympthetic postganglionics
🗑
|
||||
| Cholinergic receptors have what 2 subtypes? | Nicotinic and muscarinic
🗑
|
||||
| Nicotinic which is stimulated by nicotine is blocked by what? | Curare
🗑
|
||||
| Muscarinic which is stimulated by muscarine (from poisonous muschrooms) is blocked by what? | Atropine
🗑
|
||||
| Some postganglionics do not use Norepi or ACh therefore what are 3 other types of NT? | ATP, VIP (vasoactive intestinal peptide), and NO (Nitric oxide)
🗑
|
||||
| What NT produces smooth muscle relaxation in many tissues? | NO (nitric oxide)
🗑
|
||||
| What part of the brain most directly controls the activity of the ANS? | Medulla oblongata
🗑
|
||||
| What part of the brain has centers for control of cardiovascular, pulmonary, urinary, reproductive, and digestive systems? | Medulla oblongata
🗑
|
||||
| What part of the brain has centers for control of body temperature, hunger, and thirst and can regulate the medulla? | Hypothalamus
🗑
|
||||
| What system is responsible for visceral responses that relect emotional states? | Limbic
🗑
|
||||
| Most visceral organs are supplied by both the symp and parasymp and is termed what? | Dual innervation
🗑
|
||||
| The symp and parasymp are usually antagonistic for example in controlling what? | Heart rate
🗑
|
||||
| The symp and parasymp can be complementary, for example in controlling what? | Salivation
🗑
|
||||
| The symp and parasymp can cooperative by producing different effects that work together to cause a desired effect such as with what? | Micturition (urination)
🗑
|
||||
| Adrenal medulla, arrector pili muscle, sweat glands, and most blood vessels receive only what type of innervation? | Sympathetic
🗑
|
||||
| How is the regulation of organs with dual innervation achieved? | Increasing or decreasing firing rate
🗑
|
Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Created by:
seshelby62
Popular Science sets