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30 Cards in this Set
- Front
- Back
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CNS
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Central Nervous System
Brain and Spinal cord |
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PNS
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Peripheral Nervous System
peripheral nerves |
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Somatic
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Controls skeletal muscles (voluntary)
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Autonomic
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Controls involuntary actions
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Sympathetic
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Fight or flight response
Increased HR, bronchodilation, pupil dilation, decreased digestion, pilo erection, bladder relaxation |
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Parasympathetic
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returns body to normal
decreased HR, bronchoconstriction, hair relaxation, pupil constriction, increased digestion, bladder constriction. |
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Acetylcholine
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ACH neurotransmitter for parasympathetic. Decreases HR
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Norepinephrine
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NE Neurotransmitter for the sympathetic. Increased HR
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ACH binds with what type of receptors?
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Nicotinic, Muscarinic, cholinergic
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What is the effect of ACH in the parasympathetic?
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ACH binds with muscarinic receptors in the parasympathetic and the effect is a slow heart rate.
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What does norepinephrine bind with?
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Adrenergic receptors
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What is the effect of norepinephrine in the sympathetic?
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increased HR
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Stimulation of alpha receptors causes what effect?
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Vasoconstriction
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Stimulation of Beta 1 causes what effect?
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increased HR
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Stimulation of Beta 2 causes what effect?
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bronchodilation
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Stimulation of Dopamine causes was effect?
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Relaxation of renal arteries and increased perfusion
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What are the cholinergic drugs?
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Parasympathomimetics
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Anticholinergics drugs
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parasympatholytics
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Antiadrenergic drugs
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sympatholitics
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Agonist
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Direct.
lets the reaction occcur |
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Antagonist
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indirect.
blocks the response. |
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What are the effects of parasympatholytics?
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Increased HR
(sympathetic) |
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What are the effects of sympathomimetics?
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Increased HR
(sympathetic) |
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Explain the termination of ACh?
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AChE Destroys the excess ACh.
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Explain the termination of NE?
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MAO reuptakes the excess NE for later use.
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Epinephrine is also known as?
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Adrenaline
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What is epinephrine used for?
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Anaphylactic shock
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Norepinephrine is an alpha agonist. what is it use for?
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Vasoconstriction used to treat low blood pressure.
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Alpha adrenergic agents are used for?
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to relieve symptoms of nasal congestion by vasocontriction.
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Phenylephrine is used for?
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nasal congestion
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