Blood Substitutes and Fluid Resuscitation

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Questions and Answers

What is the primary function of a blood substitute?

  • To transport oxygen in place of real blood (correct)
  • To stimulate the immune response
  • To increase blood pressure
  • To reduce blood viscosity

What is the main goal of fluid resuscitation?

  • To stimulate the immune response
  • To reduce blood viscosity
  • To maintain pressure, blood volume, and oxygen perfusion (correct)
  • To increase oxygen transport

What is the pressure at the feet in a normal individual?

  • 50 mmHg
  • 200 mmHg
  • 150 mmHg
  • 100 mmHg (correct)

What is the effect of increasing hematocrit on blood flow?

<p>It decreases blood flow (B)</p> Signup and view all the answers

What is the equation that describes the flow rate of a fluid?

<p>Flow rate = (pi * pressure gradient * radius ^4) / (8 * viscosity * length) (C)</p> Signup and view all the answers

What is the normal hematocrit value in a healthy individual?

<p>45% (C)</p> Signup and view all the answers

What is the purpose of erythropoietin in the body?

<p>To stimulate RBC formation (C)</p> Signup and view all the answers

What is the term for the occlusion of a blood vessel by an embolus?

<p>Embolism (D)</p> Signup and view all the answers

What is the effect of increasing pressure on blood flow?

<p>It increases blood flow (D)</p> Signup and view all the answers

What is the term for a solution that has the same solute concentration as the cells?

<p>Isotonic (B)</p> Signup and view all the answers

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