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NUR 325 Final Exam Questions And Answers $12.49   Add to cart

Exam (elaborations)

NUR 325 Final Exam Questions And Answers

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  • NUR 325
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  • NUR 325

S/S of autonomic dysreflexia ~ -sudden, severe pounding HA -elevated uncontrolled BP -Bradycardia -Blurred vision -Profuse diaphoresis and flushing above the injury -pallor, chills and pilomotor erection below injury -anxiety Tx of autonomic dysreflexia ~ -Elevate HOB -Find and Remove c...

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  • August 8, 2024
  • 123
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • NUR 325
  • NUR 325
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NUR 325 Final Exam
Questions And Answers

Cardiac Cycle


✓~ Depolarization=systole=contraction




Repolarization=diastole=resting or filling phase




Electrical activity precedes mechanical




Electrical+mechanical= cardiac contractility




Flow of blood through the heart


✓~ Inferior vena cava and superior vena cava (deoxygenated)

Right atrium


tricuspid valve


right ventricle

,pulmonary valve


pulmonary artery ( to lungs)


pulmonary veins (oxygenated)


Left atrium


mitral valve


left ventricle


aortic valve


aorta (body/oxygenated blood)




Cardiac Output


✓~ Vlm of blood ejected form the heart/min

CO= HR x SV




Normal CO


✓~ 4-8




Stroke Volume

, ✓~ Vlm of blood ejected with each beat




Ejection Fraction


✓~ Fraction of blood ejected with each beat




Normal Ejection Fraction


✓~ 60-70%




Stroke Vlm is influenced by


✓~ Preload

Afterload




Preload


✓~ "filling a ballon"

-LFT ventricular end-diastole pressure


-Degree of stretch at end of diastole which determines how much blood is in

the ventricles prior to contraction




Inc in blood return to the heart results in?

, ✓~ Inc SV




Dec in blood return to the heart results in?


✓~ Dec SV




Factors that Inc Preload


✓~ Inc blood vlm

-Edema


-Hypervolemia


Heart Failure (vlm overload)


Mitral Stenosis


Mitral Regurgitaiton




Factors that Dec Preload


✓~ Hypovolemic Shock

Impaired atrial contraction




How to DEC a pts preload ( HF pt)

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