Homeostasis and Mechanobiology Quiz
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Questions and Answers

What is the meaning of homeostasis?

  • Reacting to changes in the environment
  • Remaining completely stationary
  • Adapting to new conditions
  • Seeking to maintain variables within a range near a preferred value (correct)
  • What happens to endothelial cells when exposed to low wall shear stress?

  • They become thicker
  • They change their features (correct)
  • They narrow the lumen
  • They become more rigid
  • In which part of the body can recirculation behavior be found?

  • Lungs
  • Neck (correct)
  • Kidneys
  • Stomach
  • What can low shear stress on a vessel wall lead to?

    <p>Formation of plaque</p> Signup and view all the answers

    What conditions can trigger changes due to homeostasis?

    <p>Medical devices and others</p> Signup and view all the answers

    What kind of disease can aortic aneurysms be related to?

    <p>Pressure-related disease</p> Signup and view all the answers

    Which part of continuum mechanics deals with liquids and gasses?

    <p>Fluid dynamics</p> Signup and view all the answers

    What two main properties of fluids are needed for the rest of the course in fluid mechanics?

    <p>Density and viscosity</p> Signup and view all the answers

    When is a fluid called incompressible?

    <p>When the pressure is constant</p> Signup and view all the answers

    What type of fluid starts flowing with high shear rate and has decreasing viscosity with increasing shear rate?

    <p>Shear thinning fluid</p> Signup and view all the answers

    Which substance is not really a continuum according to the course?

    <p>Blood</p> Signup and view all the answers

    What type of non-Newtonian fluids have increasing viscosity with shear rate?

    <p>Shear thickening fluids</p> Signup and view all the answers

    Which property is derived from both density and viscosity of fluids?

    <p>Incompressibility</p> Signup and view all the answers

    What needs to be understood for optimal treatment of lung disease through an inhaler?

    <p>The spread of medicine in the lungs</p> Signup and view all the answers

    What is the main function of homeostasis within the human body?

    <p>To maintain key regulated variables within a range near a preferred value</p> Signup and view all the answers

    Where can recirculation behavior be observed in the body?

    <p>Carotid Bifurcation</p> Signup and view all the answers

    What effect can low wall shear stress on a vessel wall have?

    <p>Lead to stenosis (narrowing in the vessel) as plaque forms and narrows the lumen</p> Signup and view all the answers

    In what ways can aortic aneurysms be related to diseases?

    <p>Pressure disease or a wall shear stress disease</p> Signup and view all the answers

    What is the impact of blood flow on endothelial cells?

    <p>They change their features depending on the wall shear stress they are exposed to</p> Signup and view all the answers

    How are soft tissues involved in homeostasis?

    <p>Seek to maintain key regulated variables within a range near a preferred value</p> Signup and view all the answers

    What type of fluid starts flowing with high shear rate and has decreasing viscosity with increasing shear rate?

    <p>Shear thickening fluid</p> Signup and view all the answers

    What property is derived from both density and viscosity of fluids?

    <p>Compressibility</p> Signup and view all the answers

    Which part of continuum mechanics deals with liquids and gasses?

    <p>Fluid dynamics</p> Signup and view all the answers

    When is a fluid called incompressible?

    <p>When the pressure is constant</p> Signup and view all the answers

    What two main properties of fluids are needed for the rest of the course in fluid mechanics?

    <p>Density and viscosity</p> Signup and view all the answers

    What condition can low shear stress on a vessel wall lead to?

    <p>Aneurysm formation</p> Signup and view all the answers

    What needs to be understood for optimal treatment of lung disease through an inhaler?

    <p>Diffusion in the lungs</p> Signup and view all the answers

    What kind of disease can aortic aneurysms be related to?

    <p>Cardiovascular disease</p> Signup and view all the answers

    In which part of the body can recirculation behavior be found?

    <p>Cardiovascular system</p> Signup and view all the answers

    What conditions can trigger changes due to homeostasis?

    <p>All of the above</p> Signup and view all the answers

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