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Biomedical Instrumentation Practice Test: Pulmonary Function Analysers
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Pulmonary function analyzers measure the respiratory performance of patients with suspected pulmonary disease. They provide objective data about the clinical status of a patient's lungs, such as ventilation, diffusion, and distribution of gases in the lungs. A pulmonary function analyzer (PFT) is a noninvasive test that measures how well the lungs are working. The tests measure lung volume, capacity, rates of flow, and gas exchange.  The most basic test is spirometry. During a spirometry test, you breathe into a mouthpiece that is connected to an instrument called a spirometer. The... Show more
Biomedical Instrumentation Practice Test: Pulmonary Function Analysers
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25 Questions

1. Which of the following transition corresponds to the far-infrared region?
2. What is E in given equation?
Find E for induced emf in given equation
3. Deuterium arc lamp provides emission of high intensity and adequate continuity in the _____ nm range.
4. __________ method is based on the absorption of electromagnetic radiation in the visible, ultraviolet and infrared ranges.
5. Spectrometric methods are speedy and sensitive.
6. Which of the following instrument isolates monochromatic radiation in a more efficient and versatile manner than colour filters in filter photometers?
7. Molecules posses _____________ types of internal energy.
8. Which of the following component is used to produce a parallel beam of filtered light for passage through an absorption cell(cuvette) in spectrophotometer?
9. Which of the following is the most common substance for analysis from the body?
10. Which section deals with the determinations of the number and characteristics of the constituents of the blood, particularly the blood cells?
11. The venous blood pH falls to approximately 7.36.
12. The recorder used in spectrophotometers has ______ chart speeds.
13. With a 1°C change in temperature, the emf changes by ________ mV.
14. If absorbance is plotted graphically against concentration, the graph is _________
15. ________ is not an indirect method of foetal heart rate in cordiotocography monitoring.
16. Electronic transitions corresponds to ___________ region.
17. Vibrational transition corresponds to ____ region.
18. Which of the following detector is required in spectrophotometer?
19. Which transducer cannot be used in the same place as the foetal heart rate detector, thus the patient must have two transducers on her abdomen?
20. Which of the following radiating source is most common and convenient for use in spectrophotometer?
21. The blood plasma gets separated by centrifugation.
22. Which method is based on the absorption of radiation of a substance?
23. Spectrophotometer generally employs a 6V Xenon Arc Lamp, which emits radiation in a wavelength region of visible light.
24. What is used for the measurement of unabsorbed radiant energy in spectrophotometer?
25. The galvanometer, which needs a frequency response of only 3 MHz, is positioned by a servo motor through a silent step-down belt drive.