Explore topic-wise MCQs in Biomedical Instrumentation.

This section includes 23 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.

The RDW index is expressed by which of the following equation?

A. [(20th – 80th) Percentile Volume / (20th + 80th) Percentile Volume] X 100 X K
B. [(20th + 80th) Percentile Volume / (20th – 80th) Percentile Volume] X 100 X K
C. [(20th – 80th) Percentile Volume / (20th – 80th) Percentile Volume] X 100 X K
D. [(20th + 80th) Percentile Volume / (20th + 80th) Percentile Volume] X 100 X K
Answer» B. [(20th + 80th) Percentile Volume / (20th – 80th) Percentile Volume] X 100 X K
Discussion
2.

For estimating SO2, usually reflectance at ________ wavelengths are used.

A. 1
B. 2
C. 3
D. 4
Answer» C. 3
Discussion
3.

What is used in modern instrument for intravascular oximetry?

A. photodiode
B. red and infrared LED’s
C. optical fibre
D. phototransistor
Answer» D. phototransistor
Discussion
4.

The percentage of the total specimen volume occupied by the platelets is called ____________

A. Platelet Distribution Width
B. Red Cell Distribution Width
C. Plateletcrit
D. Mean Platelet Volume
Answer» D. Mean Platelet Volume
Discussion
5.

Normal mean cell haemoglobin is 29.5 ± 2.5 pg.

A. True
B. False
Answer» B. False
Discussion
6.

Normal mean red cell volume is _____________

A. 6 ± 10 f/l
B. 16 ± 10 f/l
C. 86 ± 10 f/l
D. 56 ± 10 f/l
Answer» D. 56 ± 10 f/l
Discussion
7.

Neutrophills are concerned __________ and lymphocytes are concerned with __________

A. ingestion of bacteria, immunological responses
B. production of bacteria, electrical responses
C. electrical responses, production of bacteria
D. immunological responses, ingestion of bacteria
Answer» B. production of bacteria, electrical responses
Discussion
8.

What is the shape of Leucocytes?

A. Cubic
B. Cuboid
C. Spherical
D. Hollow
Answer» D. Hollow
Discussion
9.

THE_PERCENTAGE_OF_THE_TOTAL_SPECIMEN_VOLUME_OCCUPIED_BY_THE_PLATELETS_IS_CALLED______?$

A. Platelet Distribution Width
B. Red Cell Distribution Width
C. Plateletcrit
D. Mean Platelet Volume
Answer» D. Mean Platelet Volume
Discussion
10.

For estimating SO2, usually reflectance at ________ wavelengths are used.$

A. 1
B. 2
C. 3
D. 4
Answer» C. 3
Discussion
11.

What is used in modern instrument for intravascular oximetry?$

A. photodiode
B. red and infrared LED’s
C. optical fibre
D. phototransistor
Answer» D. phototransistor
Discussion
12.

The RDW index is expressed by which of the following equation ?

A. [ ( 20th – 80th ) Percentile Volume / ( 20th + 80th ) Percentile Volume ] X 100 X K
B. [ ( 20th + 80th ) Percentile Volume / ( 20th – 80th ) Percentile Volume ] X 100 X K
C. [ ( 20th – 80th ) Percentile Volume / ( 20th – 80th ) Percentile Volume ] X 100 X K
D. [ ( 20th + 80th ) Percentile Volume / ( 20th + 80th ) Percentile Volume ] X 100 X K
Answer» B. [ ( 20th + 80th ) Percentile Volume / ( 20th ‚Äö√Ñ√∂‚àö√ë‚àö¬® 80th ) Percentile Volume ] X 100 X K
Discussion
13.

What is used to measure mix venous saturation?

A. Ear Oximeter
B. Pulse Oximeter
C. Skin Reflectance Oximeter
D. Intravascular Oximeter
Answer» E.
Discussion
14.

How many wavelengths are utilized by currently available oximeters?

A. More than 2
B. Less than 2
C. Equal to 2
D. Cannot be determined
Answer» B. Less than 2
Discussion
15.

Normal mean cell haemoglobin is 29.5 ± 2.5 pg?#

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

Normal mean red cell volume is _____________

A. 6 ± 10 f/l
B. 16 ± 10 f/l
C. 86 ± 10 f/l
D. 56 ± 10 f/l
Answer» D. 56 ¬¨¬®¬¨¬± 10 f/l
Discussion
17.

_________ is the ratio of the integrated platelet volume to the platelet count and is expressed in femolitres.

A. Mean Platelet Volume
B. Platelet Distribution Width
C. Red Cell Distribution Width
D. Mean Cell Haemoglobin Concentration
Answer» B. Platelet Distribution Width
Discussion
18.

Which of the following option is correct in terms of size?

A. Monocytes > Neutrophils > RBC > lymphocytes
B. Monocytes > Neutrophils > RBC >= lymphocytes
C. Monocytes < Neutrophils < RBC < lymphocytes
D. Monocytes =< Neutrophils < RBC < lymphocytes
Answer» C. Monocytes < Neutrophils < RBC < lymphocytes
Discussion
19.

Neutrophils are smaller than the red cells.

A. True
B. False
Answer» C.
Discussion
20.

Neutrophills are concerned __________ and lymphocytes are concerned with __________

A. ingestion of bacteria, immunological responses
B. production of bacteria, electrical responses
C. electrical responses, production of bacteria
D. immunological responses, ingestion of bacteria
Answer» B. production of bacteria, electrical responses
Discussion
21.

Leucocytes form the defence mechanism of the body against infection.

A. True
B. False
Answer» B. False
Discussion
22.

Life span of leucocytes is _____________

A. 3 – 4 weeks
B. 7 – 14 days
C. 9 – 10 months
D. 7 – 14 years
Answer» C. 9 ‚Äö√Ñ√∂‚àö√ë‚àö¬® 10 months
Discussion
23.

What is the shape of Leucocytes ?

A. Cubic
B. cuboid
C. Shperical
D. Hollow
Answer» D. Hollow
Discussion