| BIOMEDICAL ELECTRONICS |
| PAPER NO. 1 |
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| PUT ON: Dec,2K2 |
| BIOMEDICAL ELECTRONICS (B.Tech 6th & 7th Semester,2122) Time : 3 Hours Maximum Marks : 60 NOTE:- This paper consist of Three Sections. Section A is compulsory. Do any Four questions from Section B and any two questions from Section C Section-A Marks : 20 1(a) The.........is the communication network in the human body. It involves generally.........signals. (b) Piezoelectric sensors are used to measure.........and............ (c) The ........wave of the EEG has frequency below 3.5 Hz and.........wave has frequency below 8 Hz. (d) Ventilators are used for.............. (e) The peak maplitudes of EMG signals vary from.......to.......depending upon the location of electrode. (f) Blood gas analyzer measures.......in the solution and it works on the principle of ......... . (g) Give two methods for shock preventation in biomedical instruments. (h) Skin works as.......filter, while electrode works as......filter for biopotential. (i) What is the difference between fixed rate pacemaker and demand type pacemaker? (j) Explain unipolar of bioelectric arrangements for recoding of bioelectric signal. Section-B Marks:5 Each 2. State purpose, uses, operation and maintenance for sphygmomanometer. (include block diagram/schematic). 3. List the disadventages of the synchronous pacemaker. Explain working of asynchronous pacemaker with help of block diagram. 4. Compare X-ray and CAT scan. Explain working of X-ray machine. 5. Explain various physiological effects of electricity. 6. Give different types of electrodes used for measurement of boielectric potential. Section-C Marks : 10 Each 7. Explain filter back-projection method for CT image reconstruction. 8. Write short noted on the following: (a) Biological hazards on Microwaves (b) Measurement of Oxygen concentration in exhal 9. Write short notes on the following: (a) Ventilators (b) Defibrillators. |