EC-604-B Bio-medical Electronics - May 2022 Question Paper

Under each question, How to answer lists the points an answer should cover, outlined by CampusPrep from the syllabus. Check the details against your textbook.

1. 7 Marks
   aWhat are Transducers? Explain Piezoelectric transducers in detail.
   How to answer

   • Definition of transducer
   • Classification overview
   • Piezoelectric principle and materials
   • Construction and working with applications
2. 7 Marks
   bExplain the concept of resting and action potential.
   How to answer

   • Definition of resting potential
   • Ionic basis and Na-K pump
   • Phases of action potential
   • Graphical representation
3. 7 Marks
   aDescribe the classification of electrodes in detail.
   How to answer

   • Need for biopotential electrodes
   • Classification criteria
   • Types with examples
   • Applications
4. 7 Marks
   bExplain ECG in detail.
   How to answer

   • Principle of ECG
   • Lead system and placement
   • P-QRS-T waveform
   • Clinical significance
5. 7 Marks
   aWhat is the working principle of blood pressure measurement?
   How to answer

   • Principle of blood pressure measurement
   • Direct vs indirect methods
   • Korotkoff sounds / oscillometric principle
   • Systolic and diastolic determination
6. 7 Marks
   bExplain the photo plethysmography?
   How to answer

   • Definition of photoplethysmography
   • Optical principle and components
   • Waveform and parameters measured
   • Applications
7. 7 Marks
   aWhat are the different types of biotelemetry systems?
   How to answer

   • Definition of biotelemetry
   • Classification basis
   • Types: single and multi-channel, RF
   • Applications
8. 7 Marks
   bWhat is MRI? Explain its importance.
   How to answer

   • Full form and definition of MRI
   • Basic principle of magnetic resonance
   • Main components
   • Clinical importance
9. 7 Marks
   aDescribe the working of pacemakers.
   How to answer

   • Definition and need for pacemaker
   • Block diagram and components
   • Working modes
   • Types
10. 7 Marks
    bWrite down the importance of therapeutic equipment.
    How to answer

    • Definition of therapeutic equipment
    • Categories and examples
    • Role in treatment
    • Clinical benefits
11. 7 Marks
    aDraw the structure of cells and explain its parts.
    How to answer

    • Labelled diagram of cell
    • Cell membrane and cytoplasm
    • Nucleus and organelles
    • Function of each part
12. 7 Marks
    bWhat are different types of amplifiers used in signal acquisition?
    How to answer

    • Need for amplification in acquisition
    • Instrumentation amplifier
    • Isolation and preamplifiers
    • Selection for ECG/EEG/EMG
13. 7 Marks
    aExplain different heart sounds produced and their physical interpretation?
    How to answer

    • Origin of heart sounds S1-S4
    • Timing in cardiac cycle
    • Auscultation areas
    • Physiological vs pathological interpretation
14. 7 Marks
    bProvide a physical example of how critical patients can be monitored using the telemetry.
    How to answer

    • Concept of telemetry monitoring
    • Sensors and wireless link
    • Example: ICU/CCU telemetry
    • Alarms and advantages
15. 14 Marks
    Define the following:

    1. i)Dialyzers
    2. ii)Temperature sensors
    3. iii)Physiology
    4. iv)Spirometer
    How to answer

    • Brief definition of each term
    • Principle and key components
    • Medical use
    • Diagram where relevant