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NUR 252- Perfusion Practice Questions and Correct Answers
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  • NUR 252

Perfusion The flow of blood through the arteries and capillaries delivering nutrients and O2 to cells and removing cellular waste products Occurs when blood supply is available but decreased When does Ischemia occur? Occurs with prolonged ischemia, eventually leading to necrosis and death of affe...

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  • September 5, 2024
  • 6
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

Subjects

  • nur 252 perfusion practice questions and correct
  • perfusion the flow of blood through the arteries
  • occurs when blood supply is available but decrease

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  • NUR 252
  • NUR 252

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NUR 252- Perfusion Practice Questions
and Correct Answers
Perfusion ✅The flow of blood through the arteries and capillaries delivering nutrients
and O2 to cells and removing cellular waste products

Occurs when blood supply is available but decreased ✅When does Ischemia occur?

Occurs with prolonged ischemia, eventually leading to necrosis and death of affected
tissue ✅When does Infarction occur?

Cardiac Output ✅An outcome of coordinated effects of electrical and mechanical
factors that move blood through the heart into the peripheral vascular system

Propels blood to all organs and their tissues from arteries through capillaries and
returns the blood to the heart through veins ✅What does Cardiac Output do?

Local/Total Perfusion ✅Volume of blood that flows through target tissues

Perfusion Systole: When does this happen? ✅Contraction of the Ventricles

Perfusion Diastole ✅Ventricles relax to fill with blood (pressure is higher in the atria
causing the movement of blood from the atria to the ventricles) - The higher atrial
pressures passively open the mitral and tricuspid valves allowing blood to fill the
ventricles

Impaired Central Occlusion ✅Any occlusion or constriction of coronary arteries that
reduces blood flow to the myocardium can result in myocardial infarction and thus
decrease in cardiac output.

Shock ✅Inability of central perfusion to supply blood to peripheral tissues

Atherosclerosis and Thrombi ✅Examples of Occlusion of arteries or veins

Frostbite ✅Example of Constriction of arteries or veins

Aneurysms ✅Example of Dilation of arteries or veins

Ischemia ✅Reversible cellular injury that occurs when demand for oxygen exceeds
supply

, Impaired Central Perfusion ✅Any occlusion or constriction of coronary arteries that
reduces blood flow to the myocardium can result in myocardial infarction and thus
decrease in cardiac output

Interrupts blood flow to the heart ✅What does Altered impulse conduction through
heart do?

Impairs flow of blood through the heart ✅What happens when there is a malfunction of
heart valves?

central obesity ✅What type of obesity is associated with the "apple shape"?

Insulin resistance ✅Body uses insulin less effectively than normal. Increase in blood
sugar and increase in fat

vital signs
cardiac assessment
neurological assessment ✅What are signs and symptoms you would anticipate seeing
in your patients that exhibit impaired central perfusion?

Venous Insufficiency ✅Altered structure and function of veins --> impaired venous
return --> chronic pooling --> valve damage

LDL<100mg/dL ✅With Hyperlipidemia/Dyslipidemia what do we want our LDL level to
be?

HDL>40mg/dL ✅With Hyperlipidemia/Dyslipidemia what do we want our HDL level to
be?

<200mg/dL ✅With Hyperlipidemia/Dyslipidemia what do we want our Total Cholesterol
number to be?

<150mg/dL ✅With Hyperlipidemia/Dyslipidemia what do we want our Triglyceride level
to be?

High CO2 levels ✅A patient with healthy lungs has a respiratory drive stimulated by?

a. Tachypnea
d. Chest Pain ✅Which assessment finding would be expected in a patient who
presents to the Emergency Department with a Pulmonary Embolism (PE)?
a. Tachypnea
b. Tachycardia
c. Restlessness
d. Chest Pain

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