Explore topic-wise MCQs in Testing Subject.

This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.

1.

Amplification of low level signal can be done using

A. Electrometer amplifier
B. Difference amplifier
C. Inverting amplifier
D. Non inverting amplifier
Answer» B. Difference amplifier
2.

When a second order high pass filter and second order low pass sections are cascaded, theresultant filter is a

A. ±80dB/decade band-pass filter
B. ±40dB/decade band-pass filter
C. ±20dB/ decade band-pass filter
D. None of the mentioned
Answer» C. ±20dB/ decade band-pass filter
3.

Palsied muscles mean

A. paralyzed muscles
B. active muscles
C. voluntary muscles
D. involuntary muscles
Answer» B. active muscles
4.

Blood is stained with stain.

A. Methylene blue
B. Safranin
C. Leishman stain
D. Carbol fuchsine
Answer» D. Carbol fuchsine
5.

Which of the following interpreter can diagnose various muscular disorders by listening tothe sounds produced when the muscle potentials are fed to loudspeaker?

A. EEG
B. ECG
C. VCG
D. EMG
Answer» E.
6.

Which of the following instrument is used for recording the sounds connected with thepumping action of the heart?

A. ECG
B. VCG
C. PCG
D. EEG
Answer» D. EEG
7.

The impedance of the input should be in order to obtain high CMRR in thedifferential amplifier.

A. low
B. High
C. Does not matter
D. Very low
Answer» C. Does not matter
8.

What is the device that converts the balanced line to an unbalanced line called?

A. Unbalancer
B. Balancer
C. Balun
D. Equalizer
Answer» D. Equalizer
9.

Vitamin essential for blood clotting is

A. Vitamin K
B. Vitamin A
C. Vitamin B
D. Vitamin C
Answer» B. Vitamin A
10.

Who described the new acoustic sensor?

A. Golden et al
B. Rijn et al
C. Levkov et al
D. Kassal et al
Answer» E.
11.

Blood pressure is the pressure exerted by blood against

A. kidneys
B. artery walls
C. brain
D. stomach
Answer» C. brain
12.

The most common placement of the leads from the Einthoven’s triangle is

A. Positive Left Arm and Negative Right Arm
B. Positive Left Leg and Negative Right Arm
C. Positive Left Leg and Negative Left Arm
D. Positive Right Arm and Negative Left Leg
Answer» C. Positive Left Leg and Negative Left Arm
13.

Which of the following represent the concentration of a solution?

A. Only free ions
B. Only bound ions
C. Free ions and bound ions
D. Either free ions or bound ions
Answer» D. Either free ions or bound ions
14.

The value of emitter resistance in Emitter Biased circuit are RE1=25kΩ & RE2=16kΩ. Find RE

A. 9.756kΩ
B. 41kΩ
C. 9.723kΩ
D. 10kΩ
Answer» B. 41kΩ
15.

From equipment point of view, the respiratory system in the human body is a                    system.

A. hydraulic
B. pneumatic
C. mechanical
D. electrical
Answer» C. mechanical
16.

Glass microcapillaries are preferred over metallic electrodes because of the former

A. polarizes with input current
B. does not have sustainable current carrying capacity
C. has less contact surface area
D. has sustainable current carrying capacity
Answer» E.
17.

For an ideal op-amp, zero input results in zero output.

A. True
B. False
Answer» B. False
18.

The characteristic impedance of a transmission line is normally chosen to be

A. 50
B. 75
C. 50 or 75 d) 100
Answer» D.
19.

Cleaning process gives accuracy and long life.

A. True
B. False
Answer» B. False
20.

The blood is a poor conductor of electricity.

A. True
B. False
Answer» B. False
21.

Which of the following devices/ methods do not use a cuff?

A. Rheographic Method
B. Automatic Blood Pressure Measuring using Korotkoff method
C. Oscillometric Measurement Method
D. Continuous Slow Flow Flushing Method
Answer» E.
22.

Number of cloud deployment models that are recognized are

A. 2
B. 5
C. 3
D. 4
Answer» D. 4
23.

In a Single Input Balanced Output Differential amplifier, given VCC=15v, RE = 3.9kΩ,VCE=2.4 v and re=250Ω. Determine Voltage gain

A. 26
B. 56
C. 38
D. 61
Answer» B. 56
24.

Which of the following is the purpose of the beam splitter in double beam photometer orcolorimeter?

A. Splits beam into two equal intensity beams
B. Splits beam in such a way that sample beam has higher intensity
C. Splits beam in such a way that a reference beam has higher intensity
D. Merge two equal intensity beams into single beam
Answer» B. Splits beam in such a way that sample beam has higher intensity
25.

Source of Bioelectric potential is in nature.

A. electronic
B. electric
C. ionic
D. mechanical
Answer» D. mechanical
26.

What is the thickness of the new acoustic sensor?

A. 0.25 mm
B. 0.5 mm
C. 1.0 mm
D. 1.5 mm
Answer» D. 1.5 mm
27.

Blood pressure measurement can be classified in major way(s).

A. 2
B. 5
C. 7
D. 10d
Answer» B. 5
28.

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

A. macro metallic electrodes
B. micro metallic electrodes
C. micro pipette
D. surface electrodes
Answer» D. surface electrodes
29.

Monopolar needle electrodes are having coatings of which material over the stainless steelwires which are bare only at the tips?

A. carbon
B. calcium
C. sodium
D. teflon
Answer» E.
30.

Electrode paste

A. increases contact impedance
B. equates contact impedance
C. reduces contact impedance
D. absorbs contact impedance
Answer» D. absorbs contact impedance
31.

Process of formation of blood corpuscles is called

A. Haemolysis
B. Haemozoin
C. Haemopoesis
D. Haemoter
Answer» D. Haemoter
32.

What is the frequency range of sound produced at the closure of aortic and pulmonic valves?

A. less than 0 Hz
B. 0 to 30 Hz
C. 30 to 100 Hz
D. above 100 Hz
Answer» E.
33.

Off-set potential is

A. difference in half-cell potentials between two electrodes
B. sum of half-cell potentials between two electrodes
C. average of half-cell potentials between two electrodes
D. complement of half-cell potentials between two electrodes
Answer» B. sum of half-cell potentials between two electrodes
34.

What prevents the clotting of blood inside blood vessels?

A. Heparin
B. Serotonin
C. Fibrinogen
D. Fibrin
Answer» B. Serotonin
35.

Absence of which clotting factor leads to Hemophilia-A?

A. Factor VII
B. Factor VIII
C. Factor IX
D. Factor X
Answer» C. Factor IX
36.

When intramuscular EMG is required to look into the electrical activities of deeper or overlaidmuscles, electrodes are used.

A. plate shape electrodes
B. surface electrodes
C. thin thread electrodes
D. fine wire electrodes
Answer» E.
37.

is a vectorial representation of the distribution of electric potentials generated byheart.

A. EEG
B. ECG
C. PCG
D. VCG
Answer» E.
38.

Acoustic sensor principal sensing component is made up of which polymer?

A. PEO(Poly-ethylene oxide)
B. PET(Poly-ethylene tetraphthalate)
C. PVDF(Poly-vinylidene fluoride)
D. PS(Poly-styrene)
Answer» D. PS(Poly-styrene)
39.

What is included in the system to facilitate playback and study of EMG sound waveforms at alater convenient time?

A. Preamplifier
B. Oscilloscope
C. Tape Recorder
D. Ground Electrode
Answer» D. Ground Electrode
40.

waves have short wave-length.

A. Microwave
B. Radio wave
C. Gamma rays
D. IR waves
Answer» D. IR waves
41.

The contraction of the skeletal muscles results in the generation of action potential in theindividual muscle fibers. Record of this action potential is called

A. ECG
B. EMG
C. EEG
D. EKG
Answer» C. EEG
42.

In 741 IC, pin number 4 is represented by

A. Offset null
B. Positive input
C. Negative input
D. Negative supply
Answer» E.
43.

The normal BP cuff using instrument is called as

A. Spirometer
B. Sphygmomanometer
C. Stethoscope
D. Oscilloscope
Answer» C. Stethoscope
44.

Disturbance in the EEG pattern resulting from the external stimuli is called

A. provoked response
B. ckoored response
C. evoked response
D. impulse response
Answer» D. impulse response
45.

The principal ion that is not involved with the phenomena of producing cell potentials is

A. sodium
B. potassium
C. chlorine
D. hydrogen
Answer» E.
46.

Do metallic micro electrodes exist.

A. True
B. False
Answer» B. False
47.

Needle electrode is used to measure

A. EKG
B. EEG
C. EOG
D. EMG
Answer» E.
48.

The power of the transmitter with a radiation resistance of 12 ohm and an antenna currentof 3.5A is

A. 147
B. 741
C. 174
D. 471
Answer» B. 741
49.

In which part of the apparatus is the reference and ion selective electrodes placed?

A. Head tank
B. Flow cell
C. Reservoir
D. Solenoid valve
Answer» C. Reservoir
50.

The characteristic impedance of a quarter wave transformer with load and inputimpedances given by 30 and 75 respectively is

A. 47.43
B. 37.34
C. 73.23
D. 67.45
Answer» B. 37.34