Quiz on BioViscoelastic Fluids

What is viscoelasticity?

• A property of materials that are purely viscous

• A property of materials that are purely elastic

• A property of materials that are both elastic and viscous

• A property of materials that are rigid

Which of the following is NOT a biofluid that exhibits viscoelastic properties?

• Water

• Protoplasm

• Saliva

• Mucus

What is the primary function of saliva in the body?

• Digestion of proteins

• Lubrication

• Absorption of nutrients

• Regulation of body temperature

What does the Stokes-Einstein equation help to measure?

• Viscosity of plasma

• Viscosity of gases

• Viscosity of solids

• Viscosity of fluids

What is thixotropy?

• A property of solid materials

• A condition where fluids become thinner when shaken

• A type of elastic behavior

• A condition where fluids become thicker when shaken

Which of the following is an example of a thixotropic material?

• Egg white

• Yogurt

• Concrete

• Glass

What is the effect of vasodilation on blood vessels?

• They become rigid

• They narrow

• They remain unchanged

• They expand

What influences the viscoelasticity of mucus?

• Only bacteria

• pH and salts

• Temperature only

• Only serum proteins

What is the main load-carrying element in most tissues in the body?

• Elastin

• Collagen

• Mucus

• Saliva

What is reverse thixotropy?

• Fluids become thicker when shaken

• Fluids evaporate when shaken

• Fluids remain unchanged when shaken

• Fluids become thinner when shaken