IV B.Tech I Semester Regular Examinations,Nov/Dec 2009 BIO-MEDICAL INSTRUMENTATION Instrumentation And Control Engineering Time: 3 hours Max Marks: 80 Answer any FIVE Questions All Questions carry equal marks ????? 1. (a) Describe the pulmonary circulation and systemic circulation system of the heart.
2. (a) Explain the origin of heart sounds.
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(b) Why SA node is called as natural pacemaker. Discuss how the signal is generated and transmitted from it. [8+8]
(b) What is the frequency ranges of 1st and 2nd heart sounds?
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(c) Why various filters are used in a phonocardiograph machine? Describe its functions using schematic block diagram. [5+5+6] 3. (a) With neat diagrams, explain the importance of chopper amplifiers in biomedical Instrumentation .
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(b) Explain briefly about the need of following amplifiers in Bio-medical instrumentation. i. Bridge voltage amplifier ii. Buffer amplifier iii. Current amplifier
[7+9]
4. (a) What are the advantages of lithium battery as energy source in permanent pacemaker? (b) In what way demand pacemaker is different from stand by pacemaker. [8+8]
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5. (a) Explain the gas transport model and the basic mechanical unit of the pulmonary System. (b) Write a short note on resuscitation bags.
[8+8]
6. (a) Describe various load configurations that can be used to record EEG signals.
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(b) Write about the electrodes used in EMG.
[8+8]
7. (a) Give the constructional details and equivalent circuits of micro electrodes. (b) Describe the functioning of a bio chemical system.
[10+6]
8. (a) With a neat sketch explain the generation of action potentials. (b) List out different bio electric potentials. (c) Explain how bio electric potentials are measured. ????? 1
[6+5+5]
Code No: 37171
R05
Set No - 2
1. (a) What are the qualitative requirements of an EEG amplifier?
[8+8]
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(b) Why and where EMG is used?
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IV B.Tech I Semester Regular Examinations,Nov/Dec 2009 BIO-MEDICAL INSTRUMENTATION Instrumentation And Control Engineering Time: 3 hours Max Marks: 80 Answer any FIVE Questions All Questions carry equal marks ?????
2. (a) Describe in detail about the mechanical functioning of a heart.
(b) With the help of a neat block diagram explain the working of cardiovascular circulation system. [6+10] 3. Explain the procedure to be adopted for performance evaluation of ventilators.[16]
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4. (a) With an example, explain the importance of an isolation amplifier in biomedical instrumentation.
(b) What are chopper amplifiers ? Draw a non mechanical chopper amplifier and explain its working. [8+8]
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5. (a) What are the uses of the electrode paste applied during bio medical recording (b) Distinguish between metallic and non metallic micro electrodes. Give their applications. [8+8] 6. (a) What are resting and action potentials? (b) With a neat sketch explain the relationship between the action potential and muscle contraction. [6+10]
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7. With neat sketches and block diagrams, explain the working of a ECG machine. Draw the typical electro cardiogram and explain its different parts. [16]
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8. Describe the parts of permanent pacemakers and indication for its use. ?????
2
[16]
Code No: 37171
R05
Set No - 3
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IV B.Tech I Semester Regular Examinations,Nov/Dec 2009 BIO-MEDICAL INSTRUMENTATION Instrumentation And Control Engineering Time: 3 hours Max Marks: 80 Answer any FIVE Questions All Questions carry equal marks ????? 1. (a) Discuss about various types of Bio chemical electrodes and give their applications.
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(b) Distinguish between external and internal electrodes and give some examples [8+8]
2. Discuss about the different techniques that can be used to measurer the oxygen gas with ventilators. [16]
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3. Discuss about principle of different types of blood flow measuring instruments using ultrasonic transducers. [16]
4. Describe any one of the modern d.c defibrillator with a suitable block diagram along with safety measures taken in the defibrillator circuit. [16]
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5. (a) With the help of circuit diagram, explain the working and application of preamplifier in EEG recording. (b) Mention the different types of EMG electrodes and their characteristics.[8+8] 6. (a) List out various components present in a biomedical instrumentation system and explain in detail about each component. (b) Differentiate between biomedical instrumentation and biomedical signal processing with certain examples. [8+8]
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7. (a) Discuss the Cardio - Vascular Circulation with the help of a neat diagram (b) Deduce the relations between electrical and mechanical activities of the heart. [8+8]
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8. (a) Explain the function of a cell with a neat structural diagram. Also explain its various constituents. (b) Describe the different ways of transport of ions through the cell membrane. [8+8] ?????
3
Code No: 37171
R05
Set No - 4
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IV B.Tech I Semester Regular Examinations,Nov/Dec 2009 BIO-MEDICAL INSTRUMENTATION Instrumentation And Control Engineering Time: 3 hours Max Marks: 80 Answer any FIVE Questions All Questions carry equal marks ????? 1. (a) List out the problems encountered when performing measurements from human beings.
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(b) Describe what precautions are taken to over come the problems encountered during performing measurements from human body [8+8] 2. Mention the different types of stimulus signals used with EEG recording.
[16]
3. (a) What is deionizer? How is it useful for the treatment of city water?
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(b) What is acetate and bicarbonate dialysis? Discuss about the advantages and disadvantages. [8+8] 4. (a) Develop a model for lung ventilation.
(b) Give a clinical significance of the respiratory model
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(c) What do you mean by lung compliance? What is its normal value? [5+5+6] 5. (a) Explain, how floating electrodes eliminate the moving artifacts in case of ECG recording . (b) List out the precautions to be taken while recording ECG. (c) In case of ECG, what is meant by driven RL system?
[5+5+6]
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6. (a) Discuss in detail about cardiovascular circulation with the help of its block diagram (b) Describe the electrical activities of the heart.
[8+8]
7. (a) What is the half cell potential of an electrode and off set potential of the metals used in electrode discuss briefly.
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(b) Discuss the formation of electrical double layer at the interface of electrode electrolyte. [8+8]
8. (a) Describe the refractory period, absolute and relative refractory period with a help of neat sketch. (b) What is stimulus? How it can be transfered from one cell to other cell. [8+8] ?????
(a) With a neat sketch explain the generation of action potentials. (b) List out different bio electric potentials. (c) Explain how bio electric potentials are measured.
(b) Fretting corrosion. [8+8] · 4. Explain vapor phase inhibitors. [16] · 5. (a) Discuss various corrosion rate expressions with their merits and demerits. (b) Iron is ...
6. (a) Explain the various functions and tables associated with Ring station and · Source routing group of RMON token ring. (b) Explain the different alarms and ...
where you are studying. Write CSS rule such that there are three different para- · graph styles p1, p2 and p3. p1 style must use left and right margins of 20 pixels, ...
heit (oF),converts in to an absolute temperature in kelvins · T(oK) = 5/9[t(oF)-32.0]+273. [16] · 6. Sketch an inverse Nyquist plot for a system with g(s) =.
(b) How fast can the output of an Op-amp change by 10V, if its slew rate is · 1V/µs? .... (b) Explain the application of 555 timer as Linear ramp generator. [8+8].
How can you find virus concentration both directly and indirectly by particle counts · and measurement of infectious unit concentration. Define plaque forming ...
(b) Explain with a neat block diagram the operation of a continuously variable .... (a) Draw the block diagram of band pass binary data transmission system and.
(b) Describe the effect of lack of fusion in butt, fillet and lap welded joints. ... 8. (a) Describe the process of welding dissimilar metals by fusion welding technique?
[16] · 4. A chemical process is represented by the following set of equations : f1(x3,x4)=0 · ; f2(x5,x2) =0 ; f3(x6) = 0 ; f4(x6,x1) = 0 ; f5(x3,x2) = 0 & f6 (x4,x5,x1) =0.
Explain. [8+8] · 2. Describe the different databases available for storage of protein resources. [16] ... acid sequence as query. The only reported match has an E ...
A steel bolt of 650 sq.mm C.S.A passes centrally through a copper tube of .... 6. A wagon of weight 25 k N, attached to a wire rope, is moving at speed of 4 km.
Explain in detail how transposable elements could be used to clone the genes. [16] · 7. Write in detail about ISSR molecular markers and its applications. [16].
(b) Break-Even Point in Rupees,. (c) Margin of Safety. (d) It is proposed to reduce the selling price by 20%. What extra units should be sold to obtain the same ...
(b) Explain briefly about the threat's to data integrity and confidentiality. [8+8] · 5. Describe different clinical applications of computers in nuclear medicine. [16].
(b) Evaluate. â. â«. 0 dx. (1+x2)2 using residue theorem. [8+8]. 8. (a) Evaluate using Cauchy's Integral Formula â«. C. (z+1) dz. (z3â4z) where C is |z + 2| = 3. 2.
Code No: 35051. R05. Set No - 2. 6. (a) Obtain the state-space representation of the system given by the transfer func- · tion. (Conanical form of state space model) · Y (S) · U(S) · = T (S) = · 1 · (S+1)(S+2)(S+3) · (b) A system is characterized by
[16] · 4. What are channel,circuit and half circuit in the context of satellite telemetry sys- .... 3. Describe the conditions for total internal reflection within a fibre. [16].
(b) Describe a DC Servo Motor with a neat sketch. [8+8] · 4. (a) What is a timing belt? Discuss the use of Timing belts in power transmission? (b) Discuss various ...
(b) Consider any two networks of your choice which support Circuit switching or ... (b) Which is more efficient, circuit switching or packet switching? Why?
(a) What is the difference between logical I/O and device I/O? (b) Explain feed back scheduling policy. [8+8] · 2. (a) How can logical address space be ...
kerosene, and fuel oil must be limited as also shown in this table. There are no ... equipment is a function of x, the size (horsepower ) of the motor, namely.
