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nwc predictor test

st430 A&P Autonomic Nervous System

QuestionAnswer
a preoperative patient received an antimuscarinic drug (atropine) which drug related postoperative consequence is this patient likely to experience? difficult urination
which of the following is true of the preganglionic fibers of both the sympathetic and parasympathetic nervous systems? Both: secrete ACh.
a vagolytic effect increases heart rate
an adrenergic fiber is one that secretes norepinephrine as its transmitter
increased heart rate, increased blood pressure, bronchodilation, diaphoresis, and pupillary dilation (mydriasis) are consequences of activation of the adrenergic receptors
paravertebral ganglia are also called the sympathetic chain ganglia
sympathetic nervous system stimulation causes vasoconstriction of the blood vessels, thereby elevating blood pressure. which of the following drug classifications lowers blood pressure? sympatholytic
which of the following is an adrenergic fiber? postganglionic sympathetic
which of the following is least related to the sympathetic nervous system? vagomimetic effect
which of the following is not an effector organ for the autonomic nerves? skeletal muscle
muscarinic activation is a consequence of vagal discharge
thoracolumbar outflow is described as more than one of the above
muscarinic receptors are activated by ACh
a patient has vagally induced bradycardia. which of the following will relieve the bradycardia? muscarinic antagonist
sympathetic and parasympathetic nerves innervate the viscera
which of the following is least descriptive of thoracolumbar outflow? muscarinic and nicotinic receptors
the effects of adrenal medullary secretion most resemble sympathetic nerve discharge
which neurotransmitter is secreted by a cholinergic fiber? acetylcholine
which of the following is characteristic of the sympathetic nervous system? paravertebral ganglia
which of the following is an effect of postganglionic parasympathetic discharge? slowed heart rate
which of the following is most descriptive of dual innervation of the autonomic nervous system? sympathetic and parasympathetic
which of the following is true of AChase, MAO, and COMT? are enzymes that degrade neurotransmitters
which group is incorrect? sympathetic responses: decreased blood pressure, decreased heart rate, anxiety
which of the following is most related to the "feed-and-breed" system? craniosacral outflow
vasomotor tone is a vasoconstrictor effect caused by background firing of the sympathetic nerves
atropine is classified as a muscarinic antagonist or blocker and therefore is vagolytic
an anticholinergic or antimuscarinic effect is characterized by an increased heart rate and urinary retention
what is another term for thoracolumbar outflow? sympathetic nervous system
which of the following is most characteristic of the parasympathetic nervous system? feed and breed system
vagal discharge activities muscarinic receptors
which of the following is characteristic of the parasympathetic nervous system? postganglionic fiber is cholinergic
which of the following is most related to the postganglionic sympathetics? alpha and beta receptor activation
beta adrenergic blockage decreases heart rate but also causes bronchoconstriction
alpha and beta receptors are activated by norepinephrine
which of the following is least associated with monoamine oxidase (MAO)? found within all cholinergic nerve terminals
which of the following is least true of the vagus nerve? effect on the heart rate is eliminated by a beta- adrenergic blocker
a drug that causes the heart to beat stronger and faster is called sympathomimetic
which of the following is descriptive of a panic attack? fight or flight
a beta1- adrenergic agonist increases heart rate
muscarinic receptors are associated with postganglionic parasympathetic fibers
which of the following is most related to the muscarinic receptors? ACh
sympathetic nerve stimulation causes relaxation of the breathing passages (bronchodilation). which of the following drug classifications achieves this effect? beta2-adrenergic agonist
Created by: editsuchan
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