07A80403 Biomedical Instrumentation B.Tech Question Paper : scce.ac.in
Name of the College : SREE CHAITANYA COLLEGE OF ENGINEERING
University : JNTUH
Department : Electronics And Communication Engineering
Subject Code/Name : 07A80403/BIOMEDICAL INSTRUMENTATION
Year/Sem : IV/II
Website : scce.ac.in
Document Type : Model Question Paper
Download Model/Sample Question Paper : https://www.pdfquestion.in/uploads/scce.ac.in/4945-07A80403-BIOMEDICALINSTRUMENTATION.pdf
SCCE Biomedical Instrumentation Question Paper
Code No: 07A80403
R07 Set No. 2
IV B.Tech II Semester Examinations,April/May 2012
Related : Sree Chaitanya College Of Engineering 07A80404 Wireless Communications & Networks B.Tech Question Paper : www.pdfquestion.in/4944.html
Electronics And Communication Engineering
Time: 3 hours
Max Marks: 80
Answer any FIVE Questions :
All Questions carry equal marks :
1. (a) Describe the lung volumes and capacities with suitable figures.
(b) Define dead space. Describe the mechanism involved in the Kymograph.[8+8]
2. (a) Explain about mechanical functioning of cardiovascular system of heart.
(b) What is a cardiac cycle? With a neat sketch explain about a cardiac cycle. [8+8]
3. (a) Explain the features of dierent body surface electrodes used in bio medical applications.
(b) Explain about polarized and non- polarized electrodes. [8+8]
4. (a) Explain about dierent types of muscles and their electro physical properties.
(b) Derive Nernst equation for cell membrane. [8+8]
5. (a) With an example, explain the importance of an isolation amplifier in biomedical instrumentation.
(b) What are chopper amplifiers ? Draw a non mechanical chopper amplifier and explain its working. [8+8]
6. Explain how blood flow can be measured using electro magnetic blood flow meter.
Give the advantages and disadvantages of various excitation of signals. [16]
7. Mention different types of stimulus signals used with EEG recording. [16]
8. (a) Briefly mention the therapeutic eect of heat developed by various diathermy units.
(b) Explain the operation of a short wave diathermy units with a suitable diagram.
Explain its merits and demerits over microwave diathermy. [8+8]
Code No: 07A80403
R07 Set No. 4
1. Describe the functioning of a cardioverter with the help of a block diagram. [16]
2. (a) Give the salient features of needle electrodes. Give their applications.
(b) List out various bio medical electrodes and give their applications. [8+8]
3. (a) Explain the importance of measurements in a biomedical instrumentation sys- tem.
(b) With a neat block diagram explain about various components present in a biomedical instrumentation system. [8+8]
4. (a) With a neat sketch explain about the electrical activities of the heart
(b) With a neat block diagram explain about cardiovascular circulation. [8+8]
5. (a) Discuss about dierent types of electrodes used for ECG recording.
(b) Describe two methods for manufacturing ECG electrodes. [8+8]
6. (a) Explain normal mechanism of respiration .
(b) Discuss about the factors responsible for gas exchange in the lungs. [8+8]
7. (a) Describe the propagation of action potential in a cell, nerve fibers, heart muscle.
(b) List out the various types of Biopotentials originated from the Human body and brief any two with suitable figures of signals generated from them. [8+8]
8. (a) Why EEG signals are dierent in sleeping state than those in a wakening state?
(b) List different types of stimulators used for recording EEG. [8+8]
IV B.Tech II Semester Examinations,April/May 2012 :
Biomedical Instrumentation :
1. (a) Describe the refractory period, absolute and relative refractory period with a help of neat sketch.
(b) What is stimulus? How can it be transferred from one cell to other cell? [8+8]
2. (a) Explain the dierent wave segments of electro cardiogram. What do these correspond to?
(b) Describe the operation of equipment used for obtaining electro cardiogram. [8+8]
3. Briefly discuss the important characteristics of various types of electrodes used for the recording of muscle potentials. Explain the working of an EMG machine with the help of block diagram. [8+8]
4. (a) What is deionizer? How is it useful for the treatment of city water?
(b) What is acetate and bicarbonate dialysis? Discuss about the advantages and disadvantages. [8+8]
5. (a) With neat diagrams, explain the importance of chopper ampliers in biomedical Instrumentation .
(b) Explain briefly about the need of the ampliers listed below in Bio-medical instrumentation.
i. Bridge voltage amplier
ii. Buer amplier
iii. Current amplier [7+9]
6. (a) Explain the constructional features of micro electrodes and mention a few applications of these electrodes.
(b) Bring out the dierences between the external and internal electrodes. Give examples. [8+8]
7. (a) Bring out the relation between the electrical and mechanical activities of the heart.
(b) Describe in detail about a heart- lung machine. [10+6]
8. Discuss about the various alarms that are used in ventilators. [16]