ML601: Biomedical I nstrumentation: Unit II question Bank
1. W hat are the basic t ypes of measurements made in respir ator y syst em? Explain
brief ly.
2. Descr ibe the parameters measured by Pulmonar y Funct ion Analyzers.
3. Def ine the f ollowing dynam ic respirator y parameters:
a. Forced Vital Capacit y(FVC)
b. Forced Expirator y Volume (FEV)
b. Maximum Mid-Expiratory Flow( MMEF) d. Mid-Expirat or y Time ( MET)
4. Def ine/describe the f ollowing respirator y parameters:
a. Lumg Compliance
b. Chest-W all Compliance
1. Static Compliance
d. Elastance
e. Transpulmonar y Pressure
f . Transair way Pressure
g. Transalveolar Pressure
5. W hat is considered as Gold Standard in measur ing lung volumes and capacit ies?
Descr ibe in detail the f unctioning of such a device.
6. W hat are the advantages and drawbacks of a basic Spirom eter? W hat are the
respir ator y paramete rs that cannot be measured using a Spir ometer?
7. W hat are the diff erent ways in which lung volumes can be measured? Explain t he
working principles of such devices.
8. Explain the working principle of Ultrasonic Spir ometer. W hat are its drawbacks?
9. W hat are Pneumotachometers? How are they dif f erent f rom Spirometers?
10. W hat respirator y parameters are measured using a Pneumotachometer? Explain the
clinical signif icance of these parameters in diagnosing lung diseases.
11. How can volume be der ived using a Pneumotachometer? Explain.
12. W hat is the principle behind the f unct ioning o f Fleisch Pneumo tachometer? Explain
how condensat ion is overcome in such a device?
13. W hat is a Flow-Volume Cur ve? How does it var y in obstructive and restrictive
respir ator y disorders? Draw representative cur ves.
14. How are residual volume, Funct ional Residual Capacit y and Total Lung Capacit y
measured? Explain in detail.
15. W ith a block diagram, explain the measurement of var ious pulmonar y paramet ers.
17. W hat are the parameter s measured using Impedance Pneumograph? W hat are its
advant ages and applicat ions?
18. Brief ly descr ibe t he various pr inciples that can used to gain knowledge of quantitative
and qualitat ive composit ion of respir ator y gases.
19. How can CO 2 be measured in r espir ed air? Descr ibe an instrumental setup to measure
the same.
ML601: Biomedical I nstrumentation: Unit II question Bank
20. How can O 2 be measured in respir ed air? Descr ibe an instrumental setup to measure
the same.
21. How can N 2 be measured in respired air? Descr ibe an inst rumental setup to m easure
the same.
22. W hat is the need f or artif icial vent ilation? W hat are the basic parts of a manual
artif icial ventilator ?
23. Classif y and describe the vent ilators based on:
a. Method of init iating inspir ator y phase
b. Power transmission
c. Pressure pattern
d. Type of saf ety limit
d. Cycling control
24. W ith a neat diagram describe the pr essure -f low- volume relationships with and without
pause t ime f or a ventilator.
25. Descr ibe var ious blocks and f unctioning of a microprocessor controlled vent ilat or.
26. W rite a note on:
a. High f requency ventilators
b. Nebulizers and humidif iers
c.Aspirators