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51.

Which system may include lenses, mirrors, slits, diaphragm etc?(a) Radiant system(b) Optical system(c) Cardiac system(d) Photo systemI had been asked this question in exam.I want to ask this question from Methods of Monitoring Foetal Heart Rate in section Foetal Monitoring Instruments of Biomedical Instrumentation

Answer»

The correct choice is (b) Optical system

Explanation: An optical system for PRODUCING a parallel beam of filtered light for passage through an absorption cell (cuvette). The system may include lenses, mirrors, SLITS, DIAPHRAGM, etc. A detecting system for the measurement of unabsorbed RADIANT energy, which could be the human eye, a barrier-layer cell, phototube or photo-multiplier TUBE.
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52.

In the data recording, the normal speed of sub miniature tape recorder is ___________(a) 3 cm/s(b) 2 cm/s(c) 3 mm/s(d) 2 mm/sI got this question by my school teacher while I was bunking the class.I want to ask this question from Cardiotocograph topic in division Foetal Monitoring Instruments of Biomedical Instrumentation

Answer»

Right option is (d) 2 mm/s

For explanation: In data recording, the core of the MODERN ambulatory monitoring system is a multichannel sub-miniature TAPE recorder running normally at a speed of 2 mm/s. At this speed, a C-120 entertainment CASSETTE will run for 24 hours.
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53.

The plasma is a viscous, light yellow liquid, i.e. almost clear in the fasting stage.(a) True(b) FalseI had been asked this question in an interview.Question is from Monitoring Labour Activity topic in portion Foetal Monitoring Instruments of Biomedical Instrumentation

Answer» CORRECT option is (a) True

Easiest explanation: The plasma is obtained by centrifuging a blood sample. During centrifugation, the heavy blood cells get PACKED at the bottom of the CENTRIFUGE tube and the plasma can thus be separated. The plasma is a viscous, light yellow liquid, i.e. almost clear in the fasting STAGE.
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54.

Ambulatory monitoring of ECG is called ____________(a) Event Cardiography(b) Holter Cardiography(c) Real-Time Cardiography(d) Implantable CardiographyThis question was addressed to me by my school principal while I was bunking the class.This interesting question is from Cardiotocograph in chapter Foetal Monitoring Instruments of Biomedical Instrumentation

Answer»

Right answer is (b) Holter CARDIOGRAPHY

To explain I would say: Ambulatory monitoring of ECG is CALLED ‘Holter Cardiography’, after Dr. NORMAN Holter who introduced this concept in 1962. A Holter monitor is a type of ambulatory electrocardiography device, a PORTABLE device for cardiac monitoring (the monitoring of the electrical activity of the cardiovascular system) for at least 24 hours (often for two weeks at a time).
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