Register Number
SATHYABAMA UNIVERSITY
(Established under section 3 of UGC Act,1956)
Course & Branch :B.Tech - BME
Title of the Paper :Biomechanics and Biofluids
Sub. Code :624405 (2007-08-09)
Date :15/11/2012
Max. Marks:80
Time : 3 Hours
Session :AN
_______________________________________________________________________________________________________________________________
1.
PART - A
(10 x 2 = 20)
Answer ALL the Questions
State any two important contributions of Biomechanics to health
sciences.
2.
Define: (i) Hooke’s Law; (ii) Modulus of Rigidity.
3.
What is a Netwonian viscous fluid? State its stress-strain
relationship.
4.
Explain thrombus formation and dissolution.
5.
For a normal breath, define the terms Respiratory Cycle and
Alveolar radius.
6.
What is Lung-Airway Resistance? What are its cardiovascular
effects?
7.
State D’Alembert’s principle.
8.
Draw the “Screw-Home” mechanism of the rotation between
tibia and femur bones of the knee.
9.
What is Collagen? What is its importance to human beings?
10. State the difference between Acting and Elastin elastic materials.
PART – B
(5 x 12 = 60)
Answer All the Questions
11. Explain the mechanical properties of a biomechanics system,
highlighting the Stress and Strain principles.
(or)
12. Discuss in detail a microstructure and types of bonding in solids.
13. Derive the constitutive equation of blood based on viscometric
data and Casson’s equation
(or)
14. What are the outstanding features of Red Cell Membrane?
Describe an idealized view of a red blood cell membrane
composite and derive the required equations.
15. Explain in detail the Pressure-Volume Curves of the Respiratory
System.
(or)
16. Describe the physics of Obstructive Lung Diseases and
Restrictive Lung Diseases.
17. State the hypotheses of Cross-Bridge theory of skeletal muscles
and derive the required equations.
(or)
18. Explain in detail the biomechanics of the shoulder focusing on
the geometry of the articulating surfaces, joint contact, and axes
of rotation.
19. Discuss in detail the mechanical properties and tissue dynamics
of Cancellous and Cortical Bone.
(or)
20. State the reasons for accurate characterization of the mechanical
behavior of soft tissues. Discuss the visco-elastic response of soft
tissues under different test conditions.