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NR 293 Final Review (Important Set)questions with answers $17.99
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NR 293 Final Review (Important Set)questions with answers

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NR 293 Final Review (Important Set)questions with answers

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  • January 25, 2025
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  • 2024/2025
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NR 293 Final Review (Important
Set)questions with answers

Dobutamine (Dobutrex) - CORRECT ANSWERS ✔✔beta-1 selective vasoactive
adrenergic drug



miscellaneous HF drug



increases cardiac output via increase contractility (positive inotropy)



increases stroke volume (esp. HF patients)



Heparin MOA - CORRECT ANSWERS ✔✔prevents new clots and enlargement of
existing



binds to antithrombin III



inactivating several main clotting factors

-activated factor II (thrombin)

-activated factor X

-activated factor IX



Warfarin (Coumadin) MOA - CORRECT ANSWERS ✔✔prevents clot formation

,inhibits vit. K synthesis by bacteria in GI tract



inhibits clotting factors (in liver)

-II

-VII

-IX

-X



antidote for heparin - CORRECT ANSWERS ✔✔protamine sulfate



antidote for warfarin (coumadin) - CORRECT ANSWERS ✔✔Vit K



lab values/monitoring for heparin - CORRECT ANSWERS ✔✔aPTT (every 6 hrs.
until therapeutic effect seen)



lab values/monitoring for warfarin (coumadin) - CORRECT ANSWERS
✔✔prothrombin time/international normalized ration (PT/INR)



normal INR (w/o drug) = 1



INR w/ drug = 2-3.5



Lower INR patients >65



Aspirin adverse effects - CORRECT ANSWERS ✔✔drowsiness

,dizziness

confusion

flushing

nausea

vomiting

GI bleeding

thrombocytopenia

agranulocytosis

leukopenia

neutropenia

hemolytic anemia

bleeding



Warfarin (Coumadin) Herbal interactions - CORRECT ANSWERS ✔✔dong quai

garlic

gingko

**increased INR = increased bleeding risk



St. Johns wart

**decreased effectiveness



Antiplatelets herbal interactions - CORRECT ANSWERS ✔✔garlic

ginko

kava

, **increased risk bleeding



Niacin (vit B3) MOA - CORRECT ANSWERS ✔✔increase activity of lipase = breaks
down lipids



reduces metabolism/catabolism cholesterol & triglycerides



inhibit lipolysis (adipose tissue)



decrease esterification triglycerides



release histamines = increases gastric motility/acid secretion



stimulate fibrinolytic system break down fibrin clots



Niacin (vit B3) indications - CORRECT ANSWERS ✔✔lower triglycerides



lower total serum cholesterol



lower LDL levels



increase HDL levels



treat hyperlipidemia types:

-IIa

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