Explore topic-wise MCQs in Biomedical Instrumentation.

This section includes 19 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.

In multi-parameter coulter counter, what is the time taken by 1 ml of blood to obtain all parameters?

A. 34 sec
B. 45 sec
C. 34-50 sec
D. 34-45 sec
Answer» D. 34-45 sec
Discussion
2.

The diameter of the polystyrene latex particles are ______________________

A. 6 micron
B. 6-20 micron
C. 20 micron
D. 6-14 micron
Answer» E.
Discussion
3.

Which of the following is not the provide by multi-parameter coulter counter?

A. Mean cell volume
B. Red cell count
C. Mean cell hemoglobin volume
D. White cell count
Answer» D. White cell count
Discussion
4.

What is the diameter of Ragweed pollen?

A. 6 micron
B. 19 micron
C. 14 micron
D. 15 micron
Answer» C. 14 micron
Discussion
5.

WHICH_OF_THE_FOLLOWING_IS_NOT_THE_PROVIDE_BY_MULTI-PARAMETER_COULTER_COUNTER??$

A. Mean cell volume
B. Red cell count
C. Mean cell hemoglobin volume
D. White cell count
Answer» D. White cell count
Discussion
6.

In multi-parameter coulter counter, what is the time taken by 1 ml of blood to obtain all parameters?$

A. 34 sec
B. 45 sec
C. 34-50 sec
D. 34-45 sec
Answer» D. 34-45 sec
Discussion
7.

The_diameter_of_the_polystyrene_latex_particles_are_______________________$

A. 6 micron
B. 6-20 micron
C. 20 micron
D. 6-14 micron
Answer» E.
Discussion
8.

Coulter counters have a serious drawback linked with the mercury manometer arrangement.

A. True
B. False
Answer» B. False
Discussion
9.

Under a total count of _______ pulses, primary coincidence is negligible and can be ignored.

A. 5000
B. 1000
C. 8000
D. 10000
Answer» E.
Discussion
10.

Model ____________ automatically compensates for the loss of pulses during coincidence error.

A. 4008 S Coulter counter
B. S plus Coulter counter
C. A plus Coulter counter
D. 4008 A Coulter counter
Answer» C. A plus Coulter counter
Discussion
11.

What occurs when two or more particles are present in the sensing zone at the same time?

A. Calibration
B. Troubleshooting
C. Delay in results
D. Coincidence error
Answer» E.
Discussion
12.

What is diameter of Ragweed pollen?

A. 6 micron
B. 19 micron
C. 14 micron
D. 15 micron
Answer» C. 14 micron
Discussion
13.

Which following is not constant for the calibration factor in Coulter counter?

A. Electrolyte resistivity
B. Amplifier gain setting
C. Given aperture size
D. Setting of the threshold level control
Answer» E.
Discussion
14.

The required bandwidth of the preamplifier used in cell counter must be?

A. 70 kHz
B. 120 kHz
C. 70 Hz
D. 120 Hz
Answer» B. 120 kHz
Discussion
15.

Typically, an aperture of 100 m diameter and 200 m length, separating two solutions of sulphate buffered saline, has a resistance of about 25 kW and capacitance of 120 pF.

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

In Coulter counter, for such an aperture, a length of about ______ and flow rate of ______ ml/s would be optimum.

A. 100 u, 0.04
B. 200 u, 0.02
C. 100 u, 0.02
D. 200 u, 0.04
Answer» E.
Discussion
17.

Which of the following information is not provided by the Coulter Counter?

A. Relative cell size distribution
B. Settings of the threshold level control
C. Relative cell size
D. Mean cell volume
Answer» E.
Discussion
18.

Which electrode is placed inside the orifice tube, in coulter counter?

A. Metal electrode
B. Platinum electrode
C. Silicon electrode
D. Magnesium electrode
Answer» C. Silicon electrode
Discussion
19.

Blood cell counters, operating on the principle of conductivity change, which occurs each time a cell passes through an orifice, are generally known as ________________

A. optical method
B. electrical conductivity
C. coulter Counter
D. microscopic method
Answer» D. microscopic method
Discussion