Term
What are the branches of the nervous system? |
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Definition
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Term
What are the branches of the peripheral nervous system? |
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Definition
motor(efferent) and sensory(afferent) |
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Term
What are the branches of the motor nervous system? |
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Definition
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Term
What are the branches of the autonomic system? |
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Definition
sympathetic and parasympathetic |
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Term
What is the name for the parasympathetic nervous system? |
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Definition
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Term
What is the name for the sympathetic nervous system? |
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Definition
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Term
What happens when the parasympathetic nervous system is activated? |
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Definition
normal physiological responses |
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Term
What are some examples of normal physiological responses seen with the parasympathetic nervous system? |
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Definition
-lots of blood to the digestive system -heart rate/depth and respiration slower -pupils constrict -increased SLUD |
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Term
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Definition
salivation lacrimation urination defecation |
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Term
What are some things that occur when the sympathetic/fight or flight system is activsted? |
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Definition
-decreased digestion -increased heart rate/respiration -pupils dilate(better to see far away) -decreae is SLUD |
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Term
When does a neutrotransmitter work? What is it? |
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Definition
-acts as a ligand -does not do anything until it binds to a receptor |
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Term
How does the release of a NT at a presynaptic membrane work? |
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Definition
-action potential reaches axon terminal -opens voltage-gated Ca2+ channels -influc of Ca2+ causes fusion of vesicles with presynaptic membrane -neurotransmitter released into synapse(binds to receptors on the effectors) |
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Term
What are the two types of receptors in the autonomic nervous system? |
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Definition
-postganglionic neuron -effectors |
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Term
What are postganglionic neurons? Where are the located? |
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Definition
-all motor neurons -on dentrites |
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Term
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Definition
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Term
What do preganglionic neurons release? What does this stimulate? |
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Definition
-release ACh -stimulates postganglionic |
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Term
When do the postganglionic then release? What does this do? |
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Definition
-released ACh -then stimulates or inhibits an effector |
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Term
What are the 2 series of neurons in the autonomic nervous system? Where do they get their signals? |
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Definition
1.preganglionic-gets signal from CNS 2.postganglionic-gets signal from preganglionicl |
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Term
In the parasympathetic system, is the preganglionic or postganglionic receptor longer? What about the sympathetic? |
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Definition
1.parasympathetic- pre is longer 2.sympathetic- post is longer |
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Term
What do postganglionic neurons in the sympathetic system release? What do the effectors have? |
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Definition
Norepinephrine or epinephrine, effectors have adrenergic(NE) receptors |
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Term
What does the "effector" do in the parasympathetic nervous system? |
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Definition
carries out the action(constricts pupils, etc.) |
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Term
What does ACh stand for? What are its receptors called? |
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Definition
Acetylchloine, cholinergic receptors |
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Term
What are the 2 types of cholinergic receptors? |
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Definition
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Term
What do muscarinic receptors do? |
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Definition
-contraction of smooth muscle in bronchioles -increases SLUD -decreases heart rate |
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Term
What is the abbreavation for muscarinic receptors? Is it excitatory or inhibitory? |
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Definition
mACh, can be excitatory or inhibitory |
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Term
What is the abbreviation for nicotinic receptors? What do they cause? Is it excitatory or inhibitory? |
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Definition
-nACh -contraction of skeletal muscles -alway excitatory |
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Term
Where are muscarinic receptors found? |
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Definition
on all effectors in the parastmpathetic effectors but not on neurons |
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Term
Where are nicotinic receptors found? |
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Definition
-on postganaglionic dendrites |
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Term
What are mimetic drugs? lytic/anti/blocker drugs? |
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Definition
1.mimetic are agonist drugs that act like the natural ligand 2.lytic/anti/blocker drugs are antagonists that shut off the ligand receptor |
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Term
What are the 2 ANS drug groups? |
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Definition
1.cholinergic drugs 2.adrenergic drugs |
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Term
Is a drug binds to mACh will it bind to nACh? |
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Definition
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Term
WHat do cholinergic drugs act on? |
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Definition
parasympathetic neurons or effectors |
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Term
What are the 2 types of cholinergic drugs? |
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Definition
1.parasympathomimetics or cholinergic agents 2.parasympatholytics or anticholinergics |
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Term
What do parasympathomimetics or cholinergic agents do? What about parasympatholytics or anticholinergic? |
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Definition
1.parasympathomimetics or cholinergic agents INDUCE parasympathetic effects 2.parasympatholytics or anticholinergic BLOCK parasympathetic effects |
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Term
What do andrenergic drugs do? What are the 2 categories? |
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Definition
-act on sympathetic neurons or effectors -mimetics or adrenergic agonists and lytics, adrenergic antagonists or adrenergic blockers |
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Term
What do parasympathomimetics do? |
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Definition
induce rest and digest(consrticts pupils, decreases heart rate, constricts bronchioles, increases GI, increases SLUD) |
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Term
What can parasympathomimetics be used to treat? |
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Definition
-xerostomia -urinary retention -glaucoma -myasthenia gravis |
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Term
What does myasthenia gravis cause? |
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Definition
ptosis(drooping of the eyelid) |
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Term
What are some conditions treated with parasympathomimetics? |
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Definition
-Nicotinic receptor activity -mixed muscarinic and nicotinic receptor activity -primarily miscarinic receptor activity -indirect cholinergic agonists |
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Term
What are Nicotinic receptor activity drugs used to treat? What is it? |
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Definition
it is nicotine used to treat nicotine addiction, the receptors get stimulated less and less |
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Term
What are some drug examples that treat Nicotinic receptor activity? |
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Definition
nicotine- (Commit, Nicoderm CQ) |
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Term
What is an example of a drug that treats mixed muscarinic and nicotinic activity? What is it used for? |
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Definition
-carbachol(Miostat) -for glaucoma, may be used prior to eye surgery |
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Term
What are some problems caused primarily by muscarinic actitivy? |
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Definition
-urinary retention, low GI activity -glaucoma and xerostomia |
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Term
What is a drug used to treat urinary retention or low GI activity? |
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Definition
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Term
What is a drug used to treat glaucoma and xerostomia? |
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Definition
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Term
What do indirect cholinergic agonsits treat? |
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Definition
alzeheimer's disease, myasthenia gravis |
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Term
What are 2 drugs used to treat alzheimer's disease? |
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Definition
1.rivastigmine(Exelon) 2.donepezil(Aricept) |
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Term
What is a drug used to treat myashenia gravis? |
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Definition
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Term
What can cholinesterase inhibitors be used as? |
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Definition
poisons line insecticides and nerve gases |
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Term
Where can these poisons be absorbed? |
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Definition
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Term
What are some contridictions for parasympathomimetics? |
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Definition
-asthma -peptic ulcers -hyperthyroidism -GI or urinary obstruction |
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Term
What are some adverse effects of parasympathomimetics? |
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Definition
-bradycardia -pupil constriction -bronchial constriction |
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Term
What type of drug is an anticholinergic? What do they do? |
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Definition
antagonist, block resting and digesting responses |
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Term
What can anticholinergc drugs be used to treat? |
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Definition
-motion sickness -hypersalvation -urinary incontinence -irritable bowel syndrome(IBS) -COPD -skeletel muscle tension |
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Term
What muscarinic receptor antagonist is used to treat arrhythmias and COPD? |
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Definition
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Term
What muscarinic receptor antagonist is used to treat motion sickness? |
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Definition
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Term
What muscarinic receptor antagonist is used to treat allergies? |
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Definition
diphenhydramine(Benadrly) |
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Term
What muscarinic receptor antagonist is used to treat urinary incontinence? |
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Definition
tolterodine tartrate(Detrol) |
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Term
What are some contradictions to using anticholinergic drugs? |
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Definition
-glaucoma -cardiovascular disease -GI or urinary obstruction |
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Term
What are some adverse effects of anticholinergic drugs? |
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Definition
-xerostomia -blurred vision -urinary retention -GI retention/constipation -decreased respiration |
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Term
What are the different adrenergic receptors? (4) |
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Definition
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Term
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Definition
smooth muscle contraction, pupil dilation |
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Term
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Definition
inhibit NE secretion, decreases blood pressure |
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Term
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Definition
works with heart, increases heart rate and causes renin secretion(from kidneys, increases blood pressure) |
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Term
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Definition
works with lungs, dilates smooth muscle in lungs, and blood vessels serving skeletal muscles |
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Term
What do b2 receptors also do? |
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Definition
prevents uterine contraction, prevents preterm labor |
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Term
What do sympathomimetics do? |
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Definition
induce fight or flight responses(dilates pupils, increase heart rate, dilates bronchioles, decreases GI activity) |
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Term
What can sympathomimetics be used to treat? |
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Definition
-congestion -asthma -anaphylaxis -ADHD |
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Term
What do direct a agonists treat? |
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Definition
-shock -nasal congestion, low blood pressure |
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Term
What medication is used to treat shock? |
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Definition
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Term
What medication is used to treat nasal congestion/low blood pressure? |
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Definition
phenylephrine(Sudafed-PE) |
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Term
What do b agonists treat? |
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Definition
-anaphylaxis -asthma -uterine contractions -low cardiac output |
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Term
WHat is a B agonist used to treat anaphylaxis? |
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Definition
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Term
What is a b2 agonist used to treat asthma? |
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Definition
albuterol (Ventolin, Proventil) |
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Term
What is a b2 agonist used to treat uterine contractions? |
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Definition
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Term
What is a b agonist used to treat low cardiac output? |
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Definition
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Term
What is a mixed a/b agonist used to treat? |
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Definition
-apatite suppression -nasal congestion |
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Term
What is a mixed a/b agonist used to treat apatite suppression? |
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Definition
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Term
What is a mixed a/b agonist used to treat nasal congestion? |
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Definition
pseudoephedrine-(Sudafed) |
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Term
What is an indirect agonist used to treat? Drug example? |
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Definition
stimulate that treats ADHD- methylphenidate (Ritalin, Adderal) |
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Term
What are some adverse reactions of sympathomimetics? |
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Definition
-xerostomia -cardiac arrhymias -tachycardia -hypertension -tremors |
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Term
People with what conditions should not take smypathomimetics? |
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Definition
-angina -hypertension -hyperthyroidism -low gastric motility |
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Term
What do andrenergic antagonists do? What are they used to treat? |
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Definition
-prevent fight or flight response -used to treat.. hypertension migraines glaucoma prostate hypertrophy |
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Term
What do selective a1 blockers treat? |
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Definition
hypertension, prostatic hypertrophy |
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Term
What are some a1 blockers used to treat hypertension? (2) What about prostatic hypertrophy? |
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Definition
1.prazosin(Minipress) 2.doxazosin(Cardura)
prostatic hypertrophy- tamsulosin(Flomax) |
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Term
What are mixed a/b blockers used to treat? |
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Definition
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Term
What is an example of a mixed a/b blocker used to treat hypertension? |
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Definition
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Term
What do b-blocker drugs end in? What are the 2 types? |
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Definition
-end in "olol" -nonselective and selective(only b1) |
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Term
What do nonselective b blockers treat? |
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Definition
hypertension, arrhythmias, migraines, glaucoma,angina |
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Term
WHat is a nonselective b-blocker used to treat hypertension, angina, arrhythmias, migraines, etc? What is one to treat migraines? Glaucoma? (2) |
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Definition
1.propranolol(Inderal)
2.timolol(Blocadren-hypertension, migraine, Timoptic- glaucoma) |
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Term
What are 2 selective B1 blockers that are used to treat hypertension, angina, arrhythemias, etc? |
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Definition
1.metoprolol(Lopressor, Toprol-XL) 2.atenolol(Tenormin) |
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Term
What type of hypertensive patient might we prescribed selective b1 blockers? |
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Definition
one whose blood pressure is not easily controlled |
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Term
What are some adverse reactions of adrenergic antagonists? |
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Definition
-decreased systolic blood pressure -bradycardia -dizziness |
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Term
What are some contradictions for adrenergic antagonists? |
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Definition
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Term
What is a sympathhetomimetic drug used in dentistry that will impact many types of patients? |
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Definition
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