DHIRAJLAL GANDHI COLLEGE OF TECHNOLOGYDEPARTMENT OF ELECTRONICS AND COMMUNICATION ENGINEERING CYCLE TEST-IYear/ Sem : III/VI Date: 22-01-2015Time: 1hr 30min Marks: 50 EC 2021 MEDICAL ELECTRONICSPART AANSWER ALL THE QUESTIONS5X2=10

1. Define Resting potential, Action potential, Depolarization and Depolarization, half cell potential.2. Draw the following: Action potential waveform, ECG waveform, Einthoven triangle and electrical equivalent circuit of surface electrode.3. List the types of bio potential electrodes. 4. List the names and frequency bands of EEG signals?5. Give the Nernst equation which is used to derive action potential.

PART B

6. (a) Discuss in detail about Action potential and Resting potential. (16)OR (b)Explain the origin of bio potential. (16)

7. (a)Discuss in detail the unipolar and bipolar limb lead system Used for measuring ECG signal. (16)OR (b)Draw equivalent circuit of a bio potential electrode interface. Discuss in detail about various types of bio potential electrodes. (16)

8. (a)Explain the 10-20 electrode system used in EEG and Draw The EEG recorder and Explain. (8)OR (b)Write short notes on phonocardiography. (8)

**************All the best***************

DHIRAJLAL GANDHI COLLEGE OF TECHNOLOGYDEPARTMENT OF ELECTRONICS AND COMMUNICATION ENGINEERING CYCLE TEST-I Year/ Sem : III/VI Date: 22-01-2015Time: 1hr 30min Marks: 50 EC 2021 MEDICAL ELECTRONICSPART AANSWER ALL THE QUESTIONS5X2=10

1. Define Resting potential, Action potential, Depolarization and Depolarization, half cell potential.2. Draw the following: Action potential waveform, ECG waveform, Einthoven triangle and electrical equivalent circuit of surface electrode.3. List the types of bio potential electrodes. 4. List the names and frequency bands of EEG signals?5. Give the Nernst equation which is used to derive action potential.

PART B

6. (a) Discuss in detail about Action potential and Resting potential. (16)OR (b)Explain the origin of bio potential. (16)

7. (a)Discuss in detail the unipolar and bipolar limb lead system Used for measuring ECG signal. (16)OR (b)Draw equivalent circuit of a bio potential electrode interface. Discuss in detail about various types of bio potential electrodes. (16)

8. (a)Explain the 10-20 electrode system used in EEG and Draw The EEG recorder and Explain. (8)OR (b)Write short notes on phonocardiography. (8)

**************All the best***************