Pune University Biomedical Instrumentation Question Papers
B.E. (Instrumentation & Control) BIOMEDICAL INSTRUMENTATION (Elective – I)
(2008 Pattern) (Sem. – I)
Time :3 Hours] [Max. Marks :100
Instructions to the candidates:
1) Answer 3 questions from Section -1 and 3 questions from Section – II.
2) Answers to the two sections should be written in separate books.
3) Neat diagrams must be drawn wherever necessary.
SECTION – I
QI) a) What are the voltage range, frequency range, and electrode used for ECGd EMG and EEG signals? 
b) Explain electrode offset potential? How effect of electrode offset potential is overcome. 
Q2) a) With the help of neat sketch describe structure of Human Cell and its function. 
b) Define Ergonomics and explain ergonomic design in Operation table. 
Q3) a) Why ECG preamplifier should be multistage amplifier. Discuss the importance of isolation amplifier in ECG machine. 
b) State the specifications of ECG recorder. 
Q4) a) Describe heart valves and their functions, subsequently generated heart sound. 
b) Discuss the various ECG leads configuration in detail. 
Define the term: 
Cardiac output, Mean Arterial Pressure, Systolic Pressure, Diastolic Pressure.
Draw and explain electromagnetic blood flow meter with transformer voltage handling techniques. 
Describe in brief various techniques used for BP measurement.  Explain phonocardiography. 
SECTION – II
Enlist Specification of EEG. 
Explain various EEG recording modes. 
Draw and explain the structure of neuron. How unidirectional flow of signal is maintained in neuron transmission. 
Define the term:
Efferent Nerves, Afferent Nerves, Biofeedback, Evoked Potential. 
Explain tonometer in detail. 
Design instrument used for measurement of loss in the peripheral vision of the subject. 
Draw and explain three main sections of Human auditory system? Explain the middle ear functioning. 
Explain pure tone audiometer? 
Explain various types of flow Spirometer? 
Explain the following terms with respect to respiratory measurement. 
i) RV ii) ERV
iii) TLC iv) TV
State the condition of patient at which support of ventilator is essential?  Define let-go-current and hold-on current and discuss precautions to minimize shock hazards.