Phentolamine - Study guides, Class notes & Summaries

Epinephrine is used for ___ ___ and ___ ___ - ANSWER cardiac arrest, allergic reaction Adrenergic Stimulating drugs - ANSWER epinephrine What system is epinephrine stimulating? - ANSWER SNS What are the adverse effects of epinephrine? - ANSWER tremors, agitation, tachycardia, urinary retention, hypertension, decreased renal perfusion When determining the difference between urinary retention and decreased urinary perfusion, what should you do? - ANSWER palpate the bladder Before administer...

Nicotinic N (neuronal) Location All autonomic nervous system ganglia and the adrenal medulla Nicotinic N (neuronal) response Stimulation of parasympathetic and sympathetic post-ganglionic nerves and release of epinephrine from adrenal medulla Nicotinic M (muscle) Location Neuromuscular junction Nicotinic M (muscle) Response contraction of skeletal muscle Muscarinic Locations Eye, Heart, Lung, Bladder, GI tract Sweat glands, Sex organs, Blood vessels Muscar...

Adrenergic - create a "surge" of catecholamines (dopamine, adrenaline, noradrenaline) What do alpha- adrenergics do? - peripheral arteries (vasoconstrict) What do beta1- adrenergics do? - heart (rate accelerates), increases CO, increases metabolic needs What do beta2- adrenergics do? - bronchioles (dilate), coronary arteries (vasodilate), uterus (contracts) What are alpha and beta adrenergics combined used for? - used to produce cardiac stimulation, bronchodilation, increases BP an...

Nitroprusside purpose - answer-decreases preload and afterload by vasodilation (mainly afterload) Dobutamine mechanism of action - answer-contractility Dopamine at a low-end dose "renal dose" - answer-0.5-4mcg/kg/min increases renal and mesentric perfusion Dopamine at a mid-range dose - answer-4-10mcg/kg/min increases contractility and heart rate Dopamine at a high-range dose - answer-greater than 10mcg/kg/min vasoconstriction and increases BP ...

what do you screen for on a newborn baby? - Answer hypothyroidism check T4 level (decreased) what would the potassium level be in a pt with diabetes insipidus? - Answer hypokalemia what is an expected side effect of Solu-Medrol? - Answer bleeding, bruising what does Pilocarpine treat? - Answer glaucoma antidote is atropine sulfate may get a dry mouth TPN - Answer central venous catheter check for cloudiness refrigerate- warm before administration monitor electrolytes ...

Pharmacology Chapter 19: NCLEX QuestionsNonselective beta-blockers may be used to treat hypertension and A) chronic obstructive pulmonary disease (COPD). B) heart failure. C) heart block. D) supraventricular arrhythmias. - correct answer D. supraventricular dysrhythmias. An example of a cardioselective beta-blocker includes A) propranolol (Inderal). B) labetalol (Normodyne). C) atenolol (Tenormin). D) sotalol (Betapace). - correct answer C) atenolol (Tenormin). When teachi...

BKAT ICU Post Test Exam Questions And Answers Nitroprusside purpose - ANS decreases preload and afterload by vasodilation (mainly afterload) Dobutamine mechanism of action - ANS contractility Dopamine at a low-end dose "renal dose" - ANS 0.5-4mcg/kg/min increases renal and mesenteric perfusion Dopamine at a mid-range dose - ANS 4-10mcg/kg/min increases contractility and heart rate Dopamine at a high-range dose - ANS greater than 10mcg/kg/min vasoconst...

what do you screen for on a newborn baby? : hypothyroidism check T4 level (decreased) what would the potassium level be in a pt with diabetes insipidus? : hypokalemia what is an expected side effect of Solu-Medrol? : bleeding, bruising what does Pilocarpine treat? : glaucoma antidote is atropine sulfate may get a dry mouth 2 TPN : central venous catheter check for cloudiness refrigerate- warm before administration monitor electrolytes everyday monitor for hyperglycemia and infec...

MAP calculation - [( 2xDBP) + SBP] / 3 cushing's triad - widened pulse pressure, bradycardia, and irregular respirations (indicative of increased ICP) chronotropes - affect the heart rate at the SA node (cardizem) inotropes - affect contractility (dopamine) dromotropes - affect automaticity of the heart ACE inhibitors adverse effects - dry cough, angioedema, renal impairment ARB (sartans) - block angiotensin 2 receptors, resulting in vasodilation antidote for vasopressor extravas...

PHARMACOLOGY HESI TEST WITH QUESTIONS AND ANSWERS A patient with pheochromocytoma is prescribed phentolamine. On a follow-up visit, the nurse finds severe hypotension. Which other medication in the patient's medication history would have resulted in this condition? Insulin Digoxin Sildenafil Epinephrine - CORRECT ANSWER-Slidenafil First-pass effect - CORRECT ANSWER-initial metabolism in the liver of a drug absorbed from the gastrointestinal tract before the drug reaches systemic circu...