NUR 180 - HF & Stroke TEST QUESTIONS AND ANSWERS (GUARANTEED SUCCESS)
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Course
Nur 180
Institution
Nur 180
Optimal perfusion (normal functioning)
- strong heart to pump to entire body
-all pathways clear w/out obstruction
-good arterial flow, no blockages
-good vein function, valves return blood back to heart
-blood viscosity optimal for flowing thru vascular system
-RBCs to carry oxygen and nutri...
NUR 180 - HF & Stroke TEST
QUESTIONS AND ANSWERS
2024-2025(GUARANTEED
SUCCESS)
Optimal perfusion (normal functioning) - answer - strong heart to
pump to entire body
-all pathways clear w/out obstruction
-good arterial flow, no blockages
-good vein function, valves return blood back to heart
-blood viscosity optimal for flowing thru vascular system
-RBCs to carry oxygen and nutrients
-optimal blood pressure & optimal hydration
Optimal blood pressure - answer - a mean arterial pressure of 60 is
necessary to perfuse coronary arteries, brain & kidneys
Problems with perfusion - answer - heart does not work well, heart
not filling/pumping well
-fluid volume too high or low
-blood pressure too high or low
-blood too thick or thin
-hypercoagulable
-pathways not clear: narrowed, blocked
, Arteriosclerosis - answer - thickening, loss of elasticity and buildup
of calcification on arterial walls
Atherosclerosis - answer - form of arteriosclerosis in which deposits
of FAT and fibrin obstruct and HARDEN the arteries
- unable to expand/dilate to provide more oxygenated blood to
muscles/tissues when needed
-causes ischemia and often pain
Heart failure - answer - heart is unable to pump enough blood into
circulation to meet the body's needs
-occurs when heart is damaged or stressed
-problem may be with pumping, filling, or both
- heart is not able to contract and pump blood into the periphery OR
relax enough to fill properly as blood returns to heart
*often a combination
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