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Biofeedback MCQ Questions & Answers

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




Question 1

_________ 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

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Question 2

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

A. 1
B. 2
C. 3
D. 4

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Question 3

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

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Question 4

Leucocytes form the defence mechanism of the body against infection.

A. True
B. False

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Question 5

Life span of leucocytes is _____________

A. 3 – 4 weeks
B. 7 – 14 days
C. 9 – 10 months
D. 7 – 14 years

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Question 6

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

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Question 7

Neutrophils are smaller than the red cells.

A. True
B. False

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Question 8

Normal mean cell haemoglobin is 29.5 ± 2.5 pg.

A. True
B. False

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Question 9

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

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Question 10

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

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Question 11

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

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Question 12

What is the shape of Leucocytes?

A. Cubic
B. Cuboid
C. Spherical
D. Hollow

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Question 13

What is used in modern instrument for intravascular oximetry?

A. photodiode
B. red and infrared LED’s
C. optical fibre
D. phototransistor

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Question 14

What is used to measure mix venous saturation?

A. Ear Oximeter
B. Pulse Oximeter
C. Skin Reflectance Oximeter
D. Intravascular Oximeter

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Question 15

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

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Question 16

Life span of leucocytes is _____________

A. 3 – 4 weeks
B. 7 – 14 days
C. 9 – 10 months
D. 7 – 14 years

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Question 17

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

View Answer

Question 18

What is used in modern instrument for intravascular oximetry?

A. photodiode
B. red and infrared LED’s
C. optical fibre
D. phototransistor

View Answer