Biomedical Instrumentation Mock Test 4

10%

Question 1 of 10

1. Skin Reflectance oximeter depends on monitoring backscattered lights in how many wavelengths?

Question 1 of 10

Question 2 of 10

2. When will be R-R interval declared premature?

If it is less than 85% of the predicted interval

If it is greater than 75% of the predicted interval

If it is greater than 85% of the predicted interval

If it is less than 75% of the predicted interval

Question 2 of 10

Question 3 of 10

3. Filter that amplifies frequency above certain value is called ___________

low pass filter

high pass filter

band pass filter

band stop filter

Question 3 of 10

Question 4 of 10

4. _________ is based on analyzing the shape of the QRS complexes and separating beats into groups or clusters.

Morphology characterization

Timing classification

Beat labeling

Noise detection

Question 4 of 10

Question 5 of 10

5. Which oximeter probe is in the picture?

Ear

Skin Reflectance

Pulse

Intravascular

Question 5 of 10

Question 6 of 10

6. If the height of the P wave is X, then the height of the R wave is _____

X/32

X/16

32/X

32X

Question 6 of 10

Question 7 of 10

7. The erythrocytes have a nucleus.

True

False

Question 7 of 10

Question 8 of 10

8. What is used in modern instrument for intravascular oximetry?

phototransistor

red and infrared LED’s

optical fibre

photodiode

Question 8 of 10

Question 9 of 10

9. Neutrophils are smaller than the red cells.

False

True

Question 9 of 10

Question 10 of 10

10. By keeping the ear warm, maximum vasodilatation is achieved.

False

True

Question 10 of 10