Yashwantrao Chavan Maharashtra Open University 2006 Certification TES Biomedical Instrumentation - I - Question Paper

TES113/EE/20070817
Biomedical Instrumentation - I
Time : 180 minutes Marks : 100
Instructions for the students :
1. All ques. are compulsory.
2. “Long ans kind ques. (LAQ)” is a supply kind ques. of 20 marks, which
require typical ans of about 60-80 lines in about 32-40 minutes.
3. “Short ans kind ques. (SAQ)” is a supply kind ques. of five marks, which
require typical ans of about 15-20 lines in about 08-10 minutes.
4. Use of non-programmable kind of scientific calculator is allowed.
5. Draw neat diagrams wherever necessary.
6. presume suitable data if necessary.


Long ans kind ques. (LAQ’s)

1. (a) explain the issues encountered in measuring a residing
system in detail.
(b) Which factors should be considered in the design of medical
instrumentation system ? explain.


2. (a) Draw relationship of heart sound to function of the
cardiovascular system and discuss.
(b) discuss polarization, depolarization and repolarization of cell
within the body.


3. (a) provide the principle of operation of magnetic blood flow meter.
discuss its working with a block diagram.
(b) With neat sketches, define unipolar and bipolar lead
configurations for ECG recording.


4 (a) What is defibrillator ? Draw the circuit diagram for DC
defibrillator and discuss its operation.
(b) discuss the subsequent terms related to mechanics of
breathing with the help of a figure.
i) total lung capacity ii) residual quantity
iii) tidal quantity iv) inspiratory reserve quantity
v) expiratory reserve quantity


Short ans kind ques. (SAQ’s)

5. Write a short note on Piezoelectric Effect. 5
6. With the help of a neat sketch, discuss the working of PO2
electrode.

7. discuss an operation of ultrasonic blood flowmeter with a neat
sketch.

8. List the basic common elements of cardiac-care unit.

Earning:   Approval pending.