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

What conditions can trigger changes due to homeostasis?

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

What kind of disease can aortic aneurysms be related to?

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

Which part of continuum mechanics deals with liquids and gasses?

<p>Fluid dynamics (B)</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 (D)</p> Signup and view all the answers

When is a fluid called incompressible?

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

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

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

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

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

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

<p>Incompressibility (A)</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 (B)</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 (D)</p> Signup and view all the answers

Where can recirculation behavior be observed in the body?

<p>Carotid Bifurcation (A)</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 (B)</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 (A)</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 (C)</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 (D)</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 (C)</p> Signup and view all the answers

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

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

Which part of continuum mechanics deals with liquids and gasses?

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

When is a fluid called incompressible?

<p>When the pressure is constant (B)</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 (C)</p> Signup and view all the answers

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

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

What kind of disease can aortic aneurysms be related to?

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

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

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

What conditions can trigger changes due to homeostasis?

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

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