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2014 Acharya Nagarjuna University Bapatla Engineering College - Biomedical Instrumentation - B.Tech 4th Year - Semester 2 - April 2014 Question paper



Course:   University/board: Acharya Nagarjuna University

Do you want the old question papers of Biomedical Instrumentation - Bapatla Engineering College - B.Tech? This is the original question paper from the B.Tech fourth year second semester exam conducted by Bapatla Engineering College in April 2014. Feel free to store a copy and use it to prepare for your upcoming exams.



IV/IV B.Tech Degree Examinations, April 2014

Second Semester

Biomedical Instrumentation



Time : 3 hours

Maximum Marks : 60



Answer question No.1 Compulsory

Answer ONE question from each Unit


1. Answer the following [12 x 1 = 12M]
a) What is absolute refractory period?
b) What are the constituents of a living cell?
c) What is cardiac output?
d) What is blood pressure?
e) What are the transducers used in respiratory measurement?
f) What is hemodialysis?
g) What are the different techniques to measure blood flow?
h) What is a blood gas analyzer?
i) What are the basic features of nervous system?
j) What is the principle of ct?
k) What is a pace maker?
l) List the different types of muscles

UNIT - I [1 x 12 = 12M]

2. a) With a neat sketch, explain the relationship between the action potential and muscle contraction.
2. b) What are bio electric potentials? Discuss the frequency and voltage range of ECG, EEG and EMG signals. (OR)
3. a) Explain about polarized cell with resting potential and depolarized cell during an action potential. Explain how action potentials are propagated through the cell.
3. b) What are the problems encountered in measuring a living system? Explain in detail.

UNIT - II [1 x 12 = 12M]

4. a) Give the salient features of needle electrodes. Give their application.
4. b) Describe the recording set up used in EMG. (OR)
5. a) Discuss the different lead configurations used in ECG. List the uses of ECG.
5. b) What are the merits and demerits of surface electrodes in ECG and EMG measurements?

UNIT - III [1 x 12 = 12M]

6. a) Explain the working of a phonocardiography and mention its applications.
6. b) With a suitable block diagram, explain the ultrasonic blood flow meter using Doppler method. (OR)
7. a) Explain the indirect methods of measuring blood pressure?
7. b) Explain any one of the techniques used to measure cardiac output?

UNIT - IV [1 x 12 = 12M]

8. a) What is diathermy? Explain shortwave and microwave diathermy units with the help of neat diagrams.
8. b) With a neat diagram, explain cardiac defibrillator. (OR)
9. a) Write about blood cell canters.
9. b) Mention different types of pacemakers. Explain any two in detail.





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