| EC Bio-Medical Electronics (B.Tech 6th & 7th Semester, 2063) 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 Answer the following : (a) The ............system is the major hydraulic system in the human body. The process of changing a cell from the resting stste to the changing a cell from the resting state to the action potentail is called............. (b) The QRS complex is the combined result of the repolarization of the ............and the .......of the ventricles. (c) The recorded representation of bioelectronics potentails generated by the neutral activity of brain is called....... and its frequency ranges form........to........ (d) The peak amplitude of EMG signal vary from..............to.......... depending upon the location of electrode. (e) List two types of imaging techniques and their application area. (f) Explain the term prosthesis. (g) There are.......types of pacemakers. Demand pacemaker is a type of........ pacemaker. (h) What are the biological hazards of microwaves ? (i) Give two important aspects of electrical safety. (j) Name different types of electrode used for EMG recording along with their applications area. Section-B Marks:5 Each 2. What is CAR scan ? Why is it preffered over X-rays ? Give principle of operation of CAT scan. 3. What is the basis of nuclear-medicine ? Explain the working of a nuclear-medical imaging instrument. 4. Differentiate between the different types of pacemakers. Explain working of synchronous pacemakers with the help of block diagram. 5. Expalin the process of generation of bioelelectric potential. 6. What are the different maesureable variables in the respiratory systam ? Give one method of measurement of Gas flow rate. Section-C Marks : 10 Each 7. Explain the different techniques for temperature measurement in biomedical field. 8. Write short notes on the following : (a) Blood presure measurement (b) Measurement of Gas volume. 9.Write notes on the following: (a) Aplication of Ultrasound the biomedical instrumentation (b) Angiography. |
| BIO-MEDICAL ELECTRONICS |
| PAPER NO.2 |
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| PUT ON JUNE, 2K3 |