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Biomedical Instrumentation Practice Test: Oximeters
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A pulse oximeter is a small device that measures blood oxygen levels by passing light through a fingertip. It's a noninvasive way to measure how well oxygen is being delivered to parts of the body furthest from the heart.

Topics include: Oximeters, Ear Oximeter, Pulse Oximeter, Skin Reflectance Oximeters, & Intravascular Oximeters.

Biomedical Instrumentation Practice Test: Oximeters
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25 Questions

1. What is used as a photodetector in pulse oximetry?
2. The narrow beam transducer permits the operator to position the baseline on the zero-level line of recording chart.
3. What is measured in the internal method using fluid-filled catheter?
4. ______ play an important role in the blood coagulation process.
5. Blood flow detectors based on Doppler shift start detecting foetal pulses as early as in which week of pregnancy?
6. What is the wavelength of the red LED in pulse oximetry?
7. What is used to detect foetal heart movements in broad beam transducer?
8. There are two types of coils employed in the system, which are ____
9. What is the wavelength of infrared LED in pulse oximetry?
10. Instruments based on the automatic optical technique take about _____ for completing the count blood cells.
11. In the sampling unit, when it is in its earlier form consisted of a circular turntable carrying around its rim 40 disposable __________ of 2 ml capacity.
12. What is the ratio of the sampling time to wash time?
13. Which of the following is not the type of tubing?
14. Which of the following is the Red Blood Cells?
15. The instrument of an optical method of counting cells, that require about _____ of blood sample.
16. In phasing, if the cholesterol stream arrives at Y time, albumin must arrive at ______
17. Which of the following transducer is used to detect foetal heart movements over a wider area?
18. The array transducer housing is flexible to permit it to follow the contour of the abdomen regardless of shape changes with contractions.
19. 1 f/l = ____
20. What is the duration of uterine contractions in a normal patient in spontaneous active labour?
21. A = log I0/I,where I0 is_____
22. Signal processing for FHR determination can be based either on detecting the foetal heart valve motion or on detecting the heart wall motion in Abdominal foetal electrocardiogram technique.
23. Which of the following is not the part of the manifold?
24. What is the range of Instantaneous beat to beat rate digitally displayed?
25. Who is responsible for carrying oxygen from the lungs to the tissues and carbon dioxide from the tissues to the lungs?

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