Biomedical Instrumentation Mock Test 1

10%

Question 1 of 10

1. Hysteresis is no change in output with the same value of input.

False

True

Question 1 of 10

Question 2 of 10

2. On increasing the chloride deposit the Ag-AgCl electrode ______________

increases the impedance

reduces impedance

has no effect on impedance

cannot be determined

Question 2 of 10

Question 3 of 10

3. The region in which the output does not changes with increase in input is called _________

input range

saturation

offset

threshold

Question 3 of 10

Question 4 of 10

4. Which of the following electrode is manufactured by circumferential application of heat to a small area of glass tubing and pulling the glass when it gets soft?

surface electrodes

macro metallic electrodes

micro pipette

micro metallic electrodes

Question 4 of 10

Question 5 of 10

5. Impedance pneumography is a commonly-used technique to monitor a person’s _______

respiration rate

skin impedance

pulse rate

heart rate

Question 5 of 10

Question 6 of 10

6. Recording electrical activities associated with heart is known as ____________

EEG

ECG

EMG

EOG

Question 6 of 10

Question 7 of 10

7. Potentiometer works on which of the following principle?

variable inductance

variable resistance

variable electromagnet

variable capacitance

Question 7 of 10

Question 8 of 10

8. Closeness of a calibration curve to a specified curve for an inherently non linear transducer is called ___________

saturation

hysteresis

linearity

conformance

Question 8 of 10

Question 9 of 10

9. Which of the following is considered to be the primary pacemaker of the heart?

purkinje fibres

atrio-ventricular node

bundle of his

sino-atrial node

Question 9 of 10

Question 10 of 10

10. Which electrodes can work even after being induced to large electric discharge such as defibrillation?

polarizing electrodes

electrolytic electrodes

magnetic electrodes

non-polarizing electrodes

Question 10 of 10