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Posted By: kondapalli Member Level: Gold Posted Date: 08 May 2008
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2007 Jawaharlal Nehru Technological University B.E Biomedical engineering BIO-FLUIDS AND MECHANICS setno1 Question paper
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1. 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. [16]
2. (a) How is the blood viscosity determined?
(b) What are the factors on which the blood viscosity depends? [8+8]
3. Explain critically about distribution of suspended particles in narrow rigid tubes
and red blood cells in tightly fitting tubes. [16]
4. (a) What are the bioviscoelastic fluids?
(b) Enumerate various viscoelastic models and their application?
(c) Describe about any one viscoelastic model. [4+6+6]
5. With relevant sketches, explain the mechanical behaviour of arterioles and its phys-
iological significance. [16]
6. (a) Describe in detail the breathing mechanism.
(b) Enumerate any five lung diseases by indicating their cause for development of
diseases. [8+8]
7. What do you mean by soft tissue? Explain the terms viscoelasticity and pseudoe-
lasticity critically? Elaborate your answer how pseudoelasticity and viscoelasticity
influence the properties and functions of skin ligaments? [16]
8. (a) Discuss the viscoelastic properties of synonial fluid.
(b) Describe the experimental set up to evaluate the friction coefficient between
two articular cartilage surfaces. [8+8]
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