NURSING MSN 571 SYNCH SESSION 3| VERIFIED GUIDE

NURSING MSN 571 SYNCH SESSION 31. The nurse prepares to administer a new prescription for bethanechol. Which diagnosis in the pts hx would prompt the nurse to consult with the prescriber before giving the drug? Asthma Bethanechol = muscarinic agonist. Parasympathomimetic. Decreases HR, N/V, increase salivation, opposite effects of fight or flight. Induces bronchospasm. Used for urinary retention. 2. The nurse is preparing to administer sumatriptan (Imitrex) to a pt suffering from a migraine. This medication works to relieve migraine symptoms by affecting which substance in the brain? Calcitonin gene related peptide = potent neuropeptide neurotransmitter, released from peripheral and central nerve endings during a migraine. Causes pain and vasodilation. Sumatriptan blocks the pain transmission, vasoconstriction occurs. Avoid prescribing this to patients with HTN. 3. Which medication would the nurse anticipate being prescribed for a pt with a new diagnosis of cluster headaches? Verapamil (calan) =CCB. Lithium is 2nd line for tx of cluster headaches. 4. Which of the following measurements would prompt the nurse to hold the sumatriptan dose and contact the hcp? BP of 190/100. Causes vasoconstriction, avoid giving to patients with HTN. Can cause hypertensive crisis. Toradol 5. Pt with a hx of moderate to severe h/a pain associated with n/v is diagnosed with migraines. Which medication would the nurse anticipate the pt will be prescribed initially? Sumatriptan (Imitrex)- 1st choice for mod to severe migraines. Migraine referactory= difficult to treat and failed to fix with other methods- you can use stadol/meperidine/demoral 6. The nurse is assessing a pt taking ergotamine. Which assessment result requires immediate action? Pale extremities= sign of serious toxicity-ergotism. N/V, overdose, can cause ischemia secondary to constriction of peripheral arteries. Good for acute headaches, not for long term use. Ergotamine is a naturally occurring vasoconstrictor, decreases blood blow in cerebral arteries; binds selectively to serotonin 5H21D receptors; Ergotism- ischemia of large vessels. 7. A pt has been admitted with a h/a of unknown origin. Which med will the nurse administer first while assessing for cause? Acetaminophen