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Circle of Willis

question 1 of 1 course: Medicine(Degree)
question 1 of 1 course: Medicine(Degree)

Q: The posterior communicating artery typically connects the internal carotid artery to which other major vessel?

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Nicotine is a selective agonist at nicotinic acetylcholine receptors (nAChRs). In the adrenal medulla, nicotine stimulates nAChRs on chromaffin cells, causing release of epinephrine and norepinephrine, similar to the effect of acetylcholine.

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Nicotine is a selective agonist at nicotinic acetylcholine receptors (nAChRs). In the adrenal medulla, nicotine stimulates nAChRs on chromaffin cells, causing release of epinephrine and norepinephrine, similar to the effect of acetylcholine.

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