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Oximeters MCQ Questions & Answers

Oximeters MCQs : This section focuses on the "Oximeters". These Multiple Choice Questions (MCQs) should be practiced to improve the Oximeters skills required for various interviews (campus interview, walk-in interview, company interview), placement, entrance exam and other competitive examinations.




Question 1

At what angle divergent beam is transmitted by a crystal in array transducer?

A. 10°
B. 20°
C. 30°
D. 40°

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Question 2

Blood flow detectors based on Doppler shift start detecting foetal pulses as early as in which week of pregnancy?

A. tenth
B. eleventh
C. twelfth
D. ninth

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Question 3

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.

A. True
B. False

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Question 4

The array transducer can be held in place by a simple buckle.

A. True
B. False

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Question 5

The array transducer housing is flexible to permit it to follow the contour of the abdomen regardless of shape changes with contractions.

A. True
B. False

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Question 6

The narrow beam transducer is very sensitive and produces a good trigger signal for instantaneous heart rate determination.

A. True
B. False

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Question 7

The transmitting crystal emits 40° divergent beam so that the beam covers an area of approximately _____ cm diameter.

A. 10
B. 20
C. 30
D. 40

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Question 8

What is maximum ultrasound intensity of narrow beam transducer?

A. 15 mW/cm2
B. 20 mW/cm2
C. 25 mW/cm2
D. 30 mW/cm2

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Question 9

What is the diameter of a narrow beam transducer?

A. 15 mm
B. 20 mm
C. 25 mm
D. 30 mm

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Question 10

What is the diameter of an array transducer?

A. 2
B. 4
C. 6
D. 8

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Question 11

What is used to detect foetal heart movements in broad beam transducer?

A. Quartz crystal
B. Piezo electric crystal
C. Topaz crystal
D. Berlinite crystal

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Question 12

When it is possible to detect multiple pregnancies?

A. 10th week
B. 12th week
C. 15th week
D. 20th week

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Question 13

Which of the following is the most reliable method for detecting FHR pattern?

A. Abdominal foetal electrocardiogram
B. Foetal phonocardiogram
C. Ultrasound technique
D. Foetal ECG with scalp electrode

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Question 14

Which of the following transducer is used to detect foetal heart movements over a wider area?

A. piezo-electric
B. ultrasonic
C. array
D. pressure

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Question 15

Which transducer is arranged in the shape of a clover leaf so that it provides a large area of illumination?

A. piezo-electric
B. ultrasonic
C. array
D. pressure

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