Explore topic-wise MCQs in Biomedical Instrumentation.

This section includes 22 Mcqs, each offering curated multiple-choice questions to sharpen your Biomedical Instrumentation knowledge and support exam preparation. Choose a topic below to get started.

1.

What is the diameter of an array transducer?

A. 2
B. 4
C. 6
D. 8
Answer» D. 8
Discussion
2.

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
Answer» B. 20
Discussion
3.

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

A. 10°
B. 20°
C. 30°
D. 40°
Answer» E.
Discussion
4.

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
Answer» C.
Discussion
5.

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
Answer» C. array
Discussion
6.

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

A. True
B. False
Answer» B. False
Discussion
7.

What is the diameter of a narrow beam transducer?

A. 15 mm
B. 20 mm
C. 25 mm
D. 30 mm
Answer» D. 30 mm
Discussion
8.

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
Answer» C. array
Discussion
9.

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

A. 10°
B. 20°
C. 30°
D. 40°
Answer» E.
Discussion
10.

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
Answer» C.
Discussion
11.

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

A. True
B. False
Answer» B. False
Discussion
12.

What is diameter of array transducer?

A. 2
B. 4
C. 6
D. 8
Answer» D. 8
Discussion
13.

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
Answer» B. 20
Discussion
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
Answer» B. ultrasonic
Discussion
15.

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

A. True
B. False
Answer» B. False
Discussion
16.

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
Answer» C. Topaz crystal
Discussion
17.

What is the diameter of narrow beam transducer?

A. 15 mm
B. 20 mm
C. 25 mm
D. 30 mm
Answer» D. 30 mm
Discussion
18.

What is maximum ultrasound intensity of narrow beam transducer?

A. 15 mW/cm<sup>2</sup>
B. 20 mW/cm<sup>2</sup>
C. 25 mW/cm<sup>2</sup>
D. 30 mW/cm<sup>2</sup>
Answer» D. 30 mW/cm<sup>2</sup>
Discussion
19.

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
Answer» C.
Discussion
20.

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
Answer» D. Foetal ECG with scalp electrode
Discussion
21.

When it is possible to detect multiple pregnancies?

A. 10th week
B. 12th week
C. 15th week
D. 20th week
Answer» E.
Discussion
22.

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
Answer» C. twelfth
Discussion