ELECTRONICS AND COMMUNICATION ENGINEERING - EC1006-MEDICAL ELECTRONICS 2010

                               BE/B.Tech DEGREE EXAMINATION, NOVEMBER/DECEMBER 2010.

                                                                     Sixth  Semester

                                    ELECTRONICS AND COMMUNICATION ENGINEERING

                                                       EC1006-MEDICAL ELECTRONICS

                                                                  (Regulation 2004)

           Time:3Hrs                                                                                                                   Max:100

Answer all questions

PART-A-(10x2=20)

1.       1.What are the different types of bio potential  electrodes?

2.       2.Mention the normal amplitude and frequency of EMG signal.

3.       3.Mention the applications of auto analyzer.

4.       4.What do you understand by electrophoresis?

5.       5.What is a radio-pill?

6.       6.Name the instruments needed for bio-telemetry system.

       7.List out the various radio isotopes used in diagnosis

       8. Brief about the effectiveness of radio isotopes

9.       9.How do electrical hazards occur due to medical equipments?

1  10.What are the electrical safety methods used in hospitals?

   PART-B-(5x16=80)

1111(a)Describe with simple diagrams, the various lead systems used while recording ECG signals.

                                                                 OR             

(b)With block diagram explain the EEG recording system.

12 12(a)With neat diagram, describe an ultra sonic blood flow meter.                                                                                    

                                                                OR

(b)Explain how the respiratory measurement is carried out using respiratory  apparatus.

1313 (a)With a suitable diagram, explain the operation of any one type of cardiac pacemaker. 

                                                               OR

  (b)With a suitable block diagram, explain a multi-channel bio-telemetry.

1414 (a)Explain the properties and importance of ionizing radiation in detail. 

                                                               OR

(b)Explain radiation therapy and its related equipments.

     15 (a)With  a suitable schematic diagram, explain the endoscopy unit.

                                                               OR

(b)Describe the principles involved in the following

 (i)Microwave diathermy .

(ii)Ultra sonic diathermy.

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