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the ANS supplies what visceral tissue, smooth muscles, cardiac muscle, glands
sympathetic pre ganglionic neurons originate in the... spinal cord form T1-L2,3
which part of the ANS has a global distribution the SNS
in the SNS, the paravertebral ganglia are located here sympathetic trunk
in the SNS, the prevertebral ganglia are located here celiac pleux surrounding aorta
what is the neurotransmitter released by the pre-ganglionic neuron in both the SNS and PNS ACh.
what NT is released by the post ganglionic neuron in the SNS and what is the exception? Norepinepherine. the exception is sweat glands, which are innervated by the SNS and the post ganglionic neuron releases Ach.
what NT is released by the post ganglionic neuron in the PNS Ach
what are the end organ targets for the SNS? dilator pupillae m, superior tarsal m, blood vessels, sweat glands
parasympathetic pre ganglionic neurons arise from where? cranial nerves and sacral parasympathetic nuclei
pre-ganglionics in the PNS travel a ________ distance before they synapse long
the cranial pre-ganglionic neurons of the parasympathetic system are located here and synapse here. the einger-westphal nucleus of CN 3, and they synapse at the ciliary ganglion
the pre-ganglionic neurons for CN 7 are located in this nucleus and synapse at the... superior salvatory and synapse at the pterygopalatine ganglion
the pre-ganglionic neurons for CN 9 are located in this nucleus and synapse at the... locatd in the inferior salvatory nucleus and synapse at the otic ganglion
parasympathetic pre-ganglionics for CN 10 are located in this nucleus and synapse at these end organs... dorsal motor nucleus and synapse at heart, lung, digestive tract to the level of the splenic flexure
general visceral afferents for cranial nerves 9 and 10 are in this nucleus nucleus solitarius. controls chemo and baroreceptors of the carotid body and aortic arch, cardiorespiratory, and digestive tract.
this is the key brain site for central control of the ANS. it is responsible for hte integration of behavioral, autonomic, and endocrine responses to maintain homeostasis hypothalamus. other control centers include the limbic system. reticular formation centers in the brainstem such as the cardiac and respiratory centers coordinate activities of individual organ systems.
the edinger westphal nucleus is responsible for... pupillary constriction in response to light, and the accomodation response.
these three components are involved in the accomodation response pupillary constriction, accomodation of the lens ciliary muscle, convergence of the eyes
describe what happens to the eye when looking at far away objects? ciliary muscle is relaxed, suspensory ligament is taut, lens flattens, pupil dilates
describe what happens to the eye when looking at objects close up ciliary muscle is taut, suspensory ligament is relaxed, lens is more round, pupil constricts
what are some sympathetic roles of the eye elevation of the upper lid via superior tarsal muscle, support of the eyeball in the orbit
this condition results from disruption of sympathetic pathway to the eye horners syndrome
this results form lesions to CN 3 impaired pupillary constriciton resulting in unilateral dilated pupil
what happens in marcus gunn pupil defect? direct response to light is decreased or absent, but concensual response is not affected. it is caused by a decreased sensitivity to light resulting from lesions to the optic nerve, retina, or eye
what happens in Adie' smyotonic pupil it is characterized by degeneratoin of hte ciliary ganglion or postganglionic parasympathetic nuerons resulting in a mid-dilated pupil that reacts poorly to light
what is the significance if a patient has one pupil dilated, but not the other? it's a medical emergnecy. it can mean an aneurysm of the posterior communicating artery and CN 3 also gets compressed. it can also be seen in subdural hematomas
what are some symptoms of horners syndrome ipsilateral pupillary constriction, drooping eyelid (ptosis), apparent sinking of eyeball into socket, Anidrosis-lack of sweating,
what are some possible locations for lesions cuasing horners syndrome lateral hypothalamus or brainstem, spinal cord, first and second thoracic roots, carotix plexus, cavernous sinus, orbit
this cranial nerve provides parasympathetic input to the lacrimal glands and nasal mucosa, submandibular and sublingual glands CN 7: superior salivatory nucleus
dry mouth that occurs with the fight or flight response is a result of what inhibitory influence of higher brainstem nuclei
this cranial nerve and nucleus provides parasympathetic input to the parotid gland (lesser petrosal nerve to the otic ganglion CN 9: inferior salivatory nucleus
this cranial nerve and nucleus provides general visceral sensation from teh baroreceptors and chemoreceptors in the carotid body CN9: nucleus solitarius
this cranial nerve and nucleus provides prasympathetic innervation to the heart, lungs, and digestive tract. postganglionic parasympathetic neurons are found in terinal ganglia within or near effector organs CN 10: dorsal motor nucleus of 10.
this cranial nerve and nucleus provides general visceral sensation from: baroreceptors and chemoreceptors in the aortic arch, cardiorespiratory system, and digestive tract CN 10: nucleus solitarius
Created by: aferdo01