NEW PORTAGE LEARNING NURS 251 PHARMACOLOGYMODULE 4QUESTIONS ANDANSWERSHypertension--answer--most often patients are asymptomatic-headache, visual changes, and dizziness are experienced-most common of all cardiovascular diseases affecting 60million AmericansTherapy options for Hypertension (4)--answer--Diuretics-B adrenergic-Blocking Agents-Calcium Channel Blockers-Angiotensin Converting Enzyme InhibitorsDiuretics--answer--Considered first line of therapy fro hypertension-Worksby promoting excretion of sodium and water which in turn decreases bloodvolume and pressureWhat are the two major types of diuretics--answer-Thiazide diureticsloop diureticsThiazide diuretics (what is the most commonly used)--answer--Hydrochlorothiazide(HCTZ) (most commonly used thiazide) for hypertension-frequently associated with xerostomia-must avoid orthostatic hypotensionLoop diuretics (what is most commonly used)--answer--Fluosemide (Lasix) is mostcommon loop diuretic-Used I the management of hypertensive patients with CHFB-Adrenergic Blocking Agents--answer--lower blood pressure primarily by decreasingcardiac output-considered the second line therapyExamples of B-Adrenergic Blocking Agents (2)--answer--Propranolo (Interpol)-Metaprolo (Lopressor)What will happen if patients taking nonspecific B-blockers such as propranolol are givenepinephrine--answer-May have a two to four fold increase in vasodepressor response-Use caution with Epinephrine-neither gingival retraction cord containing epinephrine nor 1:50,000 epinephrine shouldbe used.Calcium Channel Blockers--answer-Works by producing systemic vasodilation byblocking vasoconstriction in smooth muscle of blood vesselsEffects not reduced by NSAIDSPreview Mode
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