Set No.

Code No.221105 II-B.Tech. II-Semester Examination April/May 2003 BIO-MECHANICS AND BIO-FLUIDS (Bio-Medical Engineering) Time: 3 hours Max.Marks:80 Answer any FIVE questions All questions carry equal marks ---

.in

1

Enumerate and discuss various mechanical and diffusion properties of cartilage with examples.

2.

What do you mean by soft tissue? Explain the terms viscoelasticity and pseudoelasticity critically? Elaborate your answer how pseudoelasticity and viscoelasticity influence the properties and functions of skin ligaments?

3.a)

Give a brief account on differences between Turbulent flow and Laminal flow of fluids with examples. Explain mechanical properties of bone?

b)

or ld

1.

How apparent viscosity differs from relative viscosity blood? Enumerate various factors influencing blood viscosity? Describe any one method to determine relative viscosity of blood?

5.

Explain Vascular tree with illustrations. Describe the relationship of diameter, velocity and pressure of blood in blood vessels.

6. a) b)

Write notes on: Theological properties of blood. Viscoelastic models.

7. a) b)

Give a brief account on: Casson’s equation. Non-Newtonian fluid flow.

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uW

4.

What is air-way resistance? How does P.V. curve of lung explains the interaction between blood and lungs. Enumerate any five cardiovascular diseases.

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8.a) b) c)

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Set No.

Code No.221105 II-B.Tech. II-Semester Examination April/May 2003 BIO-MECHANICS AND BIO-FLUIDS (Bio-Medical Engineering) Time: 3 hours Max.Marks:80 Answer any FIVE questions All questions carry equal marks ---

.in

2

Explain critically about distribution of suspended particles in narrow rigid tubes and red blood cells in tightly fitting tubes.

2.

Describe the physical, chemical and theological properties of blood with suitable examples in detail.

3.a) b)

Write a note on diffusion properties of articular cartilage. Explain the structure and properties of tendons.

4.

What are the bioviscoelastic fluids? Enumerate various viscoelastic models and their application? Discuss about any one viscoelastic model.

5.a) b)

Describe the mechanical properties of blood vessels. Write a note on Hooks-law and its application in the study of Bio-fluid mechanics.

6. a) b) c)

Write notes on: Physics of lung diseases. Kinetics of Joints. Blood viscosity variation.

7.a)

How do you differentiate Newtonian flow from Non-Newtonian flow with examples? What do you understand by strain and stress and its relationship. Give a brief note on prosthetic heart valves.

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nt

b) c)

or ld

1.

Describe the mechanical properties of bone with examples. Explain what do you understand by Lubrication of Joints?

Aj

8.

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Set No.

Code No.221105 II-B.Tech. II-Semester Examination April/May 2003 BIO-MECHANICS AND BIO-FLUIDS (Bio-Medical Engineering) Time: 3 hours Max.Marks:80 Answer any FIVE questions All questions carry equal marks --1. What do you understand by the terms viscoelasticity and pseudoelasticity? How do you explain the mechanics of soft tissue by the help of pseudo elasticity and nonlinear stress-strain relationship?

.in

3

What are the essential components of cardiovascular system? Enumerate any five diseases and cause of the diseases of cardiovascular system? Explain about the replacements of heart valves.

3.

What are Fahraeus-Lindquist and inverse effects? Describe the nature of red blood calls in tightly fitting tubes with illustrations.

4. a) b) c)

Write notes on: Chemical properties of blood Vascular tree Physics of Lung diseases

5.

Explain Newton’s law for flow of biological fluids. Describe Poiseville’s law to study flow of liquids through blood vessels. Explain the terms stress, strain and elasticity critically with examples.

6.

What are Bioviscoelastic fluids? Explain the biovisoelastic fluids with various models in detail.

7.a)

What is Hematocrit valve? How do you determine and what do you inter from hematocrit valve? Give an account on “Labrication of Joints”?

uW

nt

b)

Describe various physical and theological properties of blood? Explain how do you determine velocity and pressure of blood flow in blood vessels.

Aj

8.

or ld

2.

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Set No.

Code No.221105 II-B.Tech. II-Semester Examination April/May 2003 BIO-MECHANICS AND BIO-FLUIDS (Bio-Medical Engineering) Time: 3 hours Max.Marks:80 Answer any FIVE questions All questions carry equal marks ---

.in

4

What do you mean by respiration process? Explain lucidly mechanism of breathing and mechanics of Alveoli?

2. a) b) c) d)

Write on: Relative viscosity Turbulent flow Nonlinear stress-strain relationship Newtonian fluids.

3. a) b)

Give a brief account on: Structure and mechanical properties of bone. Mechanical properties of cartilage.

4.

What is viscoelasticity? Enumerate various viscoelastic models? Describe any two viscoelastic models?

5.

What are ligaments and tendons? Describe the structure, function and mechanical properties of ligaments in detail.

6.a)

Explain and differentiate streamline flow from turbulent flow of blood in blood vessels? Enumerate any five lung diseases by indicating their cause for development of diseases. Mention some important problems associated with extracorporeal blood flow.

c)

uW

b)

or ld

1.

Explain elaborately about physical, chemical and theological properties of blood. Give a brief account on blood viscosity variation?

8.a) b)

Describe the mechanical properties of arteries, capillaries and veins. Explain about the mechanical properties of bones.

Aj

nt

7.a) b)

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Set No. Accounts

c) Give a brief note on prosthetic heart valves. 8. Describe the mechanical properties of bone with examples. Explain what do you · understand by Lubrication of ...

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