rasmussen college nur 2755 mdc4 exam study guide – exam 1 module 5
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NUR 2755 EXAM 1 STUDY GUIDE
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Rasmussen College: NUR 2755 /MDC4 EXAM Study Guide – Exam 1
module 5
Migraines – what foods might be a trigger? Migraine and seizure get Arul too. Take beta blocker
daily.
Mechanism of action for ergotamine? Use
for migraine Contraindicated with
coronary
- Ergotamine selectively binds and activates serotonin (5-HT) 1D receptors located on
intracranial blood vessels, including those on arterio-venous anastomoses, thereby resulting
in vasoconstriction and reducing the blood flow in cerebral arteries that may lead to
relieve of vascular headaches.
- Ergotamine has a complex mechanism of action that involves a variety of receptors, including
5-HT-1B/1D, dopamine, and alpha-adrenoreceptors. By activating 5HT-1B and 5HT-1D
receptors on intracranial blood vessels, ergotamine induces vasoconstriction and relief of
migraine headaches.
- Ergotamine also inhibits norepinephrine uptake and stimulates alpha-adrenergic receptors at
therapeutic doses, leading to prolonged vasoconstriction.
S/S of Parkinson’s? Guillain-Barre? With GB what are they most at risk for?? What will kill
them first?
Parkinso Guillain – Barre paralysis(distal to
n’s proximal)
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