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NSG 533 Exam 3 Final Review Exam Questions Solved Correctly.

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Universal stages of Heart Failure (HF) - Answer - At-risk for HF - Pre HF - HF - Advanced HF according to the universal definition, what is "at-risk for HF"? - Answer - do not have HF, but at risk - no current or prior s/s - no structural, functional, or biomarker evidence supporting ...

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  • October 25, 2024
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  • Exam (elaborations)
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  • NSG 533
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NSG 533 Exam 3 Final Review Exam
Questions Solved Correctly.
Universal stages of Heart Failure (HF) - Answer - At-risk for HF

- Pre HF

- HF

- Advanced HF



according to the universal definition, what is "at-risk for HF"? - Answer - do not have HF, but at risk

- no current or prior s/s

- no structural, functional, or biomarker evidence supporting HF



according to the universal definition, what is "HF" - Answer - clinical syndrome

- current or prior s/s of HF

- caused by structural of functional cardiac abnormality

- elevated natriuretic peptide levels

- evidence of pulmonary or systemic congestion



who is most at risk for HF - Answer black males and females; older women



two biggest causes of HF - Answer 1. ischemic heart disease (CAD)

2. HTN



calculate EF - Answer SV/LVEDV



synonym for inotropy - Answer contraction (HFrEF)



synonym for lusitropy - Answer relaxation (HFpEF)

,two organizations for classification of HF - Answer 1. American Heart Assocation (A,B,C,D) - based on
structure

2. New York Heart Association (None, I, I, II, III, IV, V) - based on physical activity limitations



how to distinguish cardiac dysfunction versus cardiac HF - Answer cardiac dysfunction has structural
abnormalities w/o symptoms



once a patient develops symptoms along with structural abnormalities, they have HF



compensatory mechanisms for HF - Answer 1. Hemodynamics (Frank Starling Law) - can give inotropes
as short term use to increase contractility (long-term can cause mortality)



2. SNS activation (increase contractility, tachycardia, vasoconstriction)



3. RAAS activation (angiotensin II binds to AT 1 Receptor - vasoconstriction)



two types of angiotensin II - Answer 1. circulating

2. tissue-derived



effects of circulating angiotensin II on HF - Answer - causes vasoconstriction

- increases secretion of ADH

- increase aldosterone secretion

- increases sodium reabsorption



are aldosterone levels high or low in HF? - Answer 20x higher than normal



effects of aldosterone on HF - Answer - increases sodium and water reabsorption

- decreased potassium and magnesium

- decreased baroreceptor reflex

, - sympathetic activation



list the comprehensive risk factors of Coronary Artery Disease - Answer - dyslipidemia

- genetic studies

- modifiable risk factors

- non-modifiable risk factors

- novel risk factors



what are two classes of medications an individual with HFrEF will be started on? - Answer 1. beta
blocker (to counter SNS)

2. ACEi (to counter RAAS)



what hormones worsen HF - Answer - Angiontensin II (RAAS)

- catecholamines (SNS)

- endothelin

- aldosterone



hormones that are good for HF - Answer - natriuretic peptides (ANP, BNP, CNP)

- adrenmedullin

- bradykinin

- nitric oxide



types of ventricular remodeling - Answer - concentric (thickened heart wall, diastolic HF, too stiff,
HFpEF)

- eccentric (thin heart wall, systolic HF, contraction dysfunction, HFrEF)



blood flow of the heart from right side to left side - Answer 1. deoxygenated blood from the systemic
system enters the superior/inferior vena cava

2. right atrium

3. tricuspid valve

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